Hanna HI 5522 User manual

HI 5521 & HI 5522
pH/mV/ISE/Temperature/
Conductivity/Resistivity/TDS/Salinity
Bench Meters
Instruction Manual
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2 3
TABLE OF CONTENTS
WARRANTY.............................................................................................................................................2
PRELIMINARY EXAMINATION.................................................................................................................... 4
GENERAL DESCRIPTION ...........................................................................................................................5
FUNCTIONAL DESCRIPTION...................................................................................................................... 6
SPECIFICATIONS ...................................................................................................................................... 8
OPERATIONAL GUIDE .............................................................................................................................11
DISPLAYING MODES ..............................................................................................................................12
SYSTEM SETUP ..................................................................................................................................... 15
CHANNEL SELECTION ............................................................................................................................ 21
pH SETUP ............................................................................................................................................ 22
mV SETUP ............................................................................................................................................ 35
ISE SETUP (  only).................................................................................................................... 37
pH CALIBRATION...................................................................................................................................45
pH MEASUREMENT ...............................................................................................................................49
mV & Relative mV MEASUREMENTS ......................................................................................................51
ISE CALIBRATION (  only)..........................................................................................................53
ISE MEASUREMENT (  only)...................................................................................................... 56
CONDUCTIVITY SETUP...........................................................................................................................62
RESISTIVITY SETUP ...............................................................................................................................76
TDS SETUP ........................................................................................................................................... 78
SALINITY SETUP .................................................................................................................................... 80
CONDUCTIVITY CALIBRATION ................................................................................................................. 82
CONDUCTIVITY MEASUREMENT ............................................................................................................. 84
USP EVALUATION..................................................................................................................................85
RESISTIVITY MEASUREMENT ................................................................................................................. 89
TDS MEASUREMENT ............................................................................................................................. 90
SALINITY CALIBRATION ..........................................................................................................................91
SALINITY MEASUREMENT ...................................................................................................................... 92
TEMPERATURE CALIBRATION ................................................................................................................. 93
LOGGING.............................................................................................................................................. 94
PC INTERFACE ...................................................................................................................................... 97
ADDITIONAL INFORMATION ................................................................................................................... 98
pH BUFFER TEMPERATURE DEPENDENCE.............................................................................................101
EC PROBE USE AND MAINTENANCE ......................................................................................................102
ELECTRODE CONDITIONING AND MAINTENANCE ...................................................................................103
TROUBLESHOOTING GUIDE ................................................................................................................. 105
TEMPERATURE CORRELATION FOR pH SENSITIVE GLASS ........................................................................107
ACCESSORIES ......................................................................................................................................108
WARRANTY
Dear Customer,
Thank you for choosing a Hanna Instruments product.
Please read this instruction manual carefully before using these instruments. This manual will provide you
with the necessary information for correct use of these instruments, as well as a precise idea of their
versatility.
If you need additional technical information, do not hesitate to e-mail us at [email protected] or view our
worldwide contact list at www.hannainst.com.
  and   are guaranteed for two years against defects in workmanship and materials when used
for their intended purpose and maintained according to instructions. Electrodes and probes are guaranteed for
six months. This warranty is limited to repair or replacement free of charge.
Damage due to accidents, misuse, tampering or lack of prescribed maintenance is not covered.
If service is required, contact the dealer from whom you purchased the instrument. If under warranty, report
the model number, date of purchase, serial number and the nature of the problem. If the repair is not covered
by the warranty, you will be notified of the charges incurred. If the instrument is to be returned to Hanna
Instruments, first obtain a Returned Goods Authorization number from the Technical Service department and
then send it with shipping costs prepaid. When shipping any instrument, make sure it is properly packed for
complete protection.
To validate your warranty, fill out and return the enclosed warranty card within 14 days from the date of
purchase.
All rights are reserved. Reproduction in whole or in part is prohibited without the written consent of the copyright owner.
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4 5
GENERAL DESCRIPTION
  and   are professional bench meters with color graphic LCD for pH, ORP (Oxidation Reduction
Potential), ISE (  only), conductivity, resistivity, TDS, salinity and temperature measurements.
The display can be configured as a single channel or dual channel display in various modes: Basic information
only, GLP information, Graph and Log History mode.
The main features of the instruments are:
•Two input channels: one for potentiometric sensors, the other for electrolytic conductivity;
•Capacitive touch keypad;
•Eight measurement parameters: pH, mV, ISE (  only), conductivity, resistivity, TDS, salinity and
temperature;
•Dedicated Help key with contextual message;
•Manual selection, automatic and semiautomatic pH calibration in up to five points, with standard (1.68,
3.00, 4.01, 6.86, 7.01, 9.18, 10.01 and 12.45) and custom buffers (up to five custom buffers);
•Manual Selection and Custom Standard ISE calibration in up to five points, with standard (up to seven standard
solutions for each measurement unit) and custom solutions (up to five custom solutions), with or without
temperature compensation (  only);
•Application for water for injection follows the USP <645> protocol;
•Conductivity probe automatic recognition;
•Automatic or custom standard conductivity calibration in up to four points, probe offset calibration;
•Single point salinity calibration (Percent Scale only);
•AutoHold feature to freeze first stable reading on the LCD;
•Two selectable alarm limits (for pH, mV, ISE, conductivity, resistivity, TDS, salinity);
•Three selectable logging modes: Automatic, Manual, AutoHold logging;
•Continuous Lot logging directly on meter, with selectable log interval: Store up to 100,000 total data points;
•Up to 100 logging lots for automatic or manual modes and up to 200 USP reports, up to 100 ISE methods
reports;
•Selectable sampling period feature for automatic logging;
•Basic Measurement can be viewed with detailed GLP information, or with a Graph or a Log History (while
continuously logging);
•Online and offline graph;
•Large color backlight graphic LCD (240 x 320 pixels) with user selectable color palette;
•PC interface via USB; download logged data to PC or use for Real time logging (  PC application
required);
•Profile feature: store up to five different user setup on each channel.
Remove the instrument from the packing material and examine it carefully to make sure that no damage has
occurred during shipping. If there is any damage, notify your Dealer or the nearest Hanna Customer Service
Center.
The meters are supplied complete with:
•  Glass-body Combination pH Electrode
•  Four-ring Conductivity Probe with built-in temperature sensor and ID
•  Temperature probe
•    &   Buffer solutions
•  Cleaning solution
•  Electrolyte solution
•  Electrode Holder
•One capillary dropper pipette
•12 Vdc Power Adapter
•Instruction Manual
  and   are supplied with 12 Vdc/115 Vac adapter.
  and   are supplied with 12 Vdc/230 Vac adapter.
 Save all packing material until you are sure that the instrument works properly. Any defective item
must be returned in the original packing with the supplied accessories.
PRELIMINARY EXAMINATION
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6 7
KEYBOARD DESCRIPTION
 
 
The upper row keys are assigned to the   placed on the bottom of the LCD, which allow you to
perform the displayed function, depending on the current menu (e.g. ,
and in
Measure mode).
:All the virtual keys are assigned to the highlighted channel (highlighted with key).
LCD GENERAL DESCRIPTION
To enter/exit calibration mode;
To select the desired measurement mode, pH, mV, Rel mV, ISE (  only), Conductivity,
Resistivity, TDS, Salinity;
To enter Setup (System Setup, pH Setup, mV Setup, ISE Setup (  only), Conductivity
Setup, Resistivity Setup , TDS Setup or Salinity Setup) and to access Log Recall function;
To obtain general information about the selected option/operation.
HI 5521/ HI 5522 DESCRIPTION
 
1) Liquid Crystal Display (LCD)
2) Capacitive touch keypad
3) ON/OFF switch
4) Power adapter socket
5) USB connector
6) BNC electrode connector for pH/ORP/ISE measurements
7) Temperature probe socket
8) Reference input socket
9) Conductivity probe connector
FUNCTIONAL DESCRIPTION
 
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8 9
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10 11
POWER CONNECTION
Plug the 12 Vdc adapter into the power supply socket.
 These instruments use non-volatile memory to retain the meter settings, even when unplugged.
ELECTRODE AND PROBE CONNECTIONS
For pH or ORP measurements, connect a pH/ORP electrode with internal reference to the BNC connector
located on the rear panel of the instrument.
For ISE measurements ( ), connect an ISE electrode with internal reference to the BNC connector
located on the rear panel of the instrument.
For electrodes with a separate reference, connect the electrode’s BNC to the BNC connector and the
electrode’s reference to the reference input socket.
For temperature measurement and automatic temperature compensation, connect the temperature probe to
the appropriate socket (Channel 1 only).
For conductivity, resistivity, TDS or salinity measurements, connect a conductivity probe to the DIN connector
located on the rear panel of the instrument.
OPERATIONAL GUIDE
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12 13

The on-line graph with real time logging (pH, mV, Rel mV, ISE, Conductivity, Resistivity, TDS, Salinity vs.
Seconds) will be displayed when this option is selected.
If there is no active log, the previously logged data for the selected parameter will be shown.
To access the off-line / on-line graph:
•Press while in
Measure mode. The “ 
” message will be displayed in the Reminder
messages area.
•Press .
•Press to begin or online graph.
  
•Press then . and will
appear in virtual keys.
•Use and to move along the X (Time) axis
of the graph.
 (pH, ISE, Conductivity and Salinity mode only)
Detailed GLP data will be displayed on the custom LCD for the selected measurement when this option is
selected: Last Calibration date and time, Offset and Slope values, Calibration Buffers/Standards and general
information regarding the buffers/standards,the calibration temperature, temperature compensation mode,
date and time. For pH Measure , the Electrode Condition is also displayed on the LCD in percent.
:If a single-point pH calibration is performed or the current calibration does not include at least two
consecutive standard buffers of pH 4.01, 7.01 (6.86) and 10.01 (9.18) the Electrode Condition will be
unknown. Electrode Condition remains active for 24 hours after a calibration.
To access the GLP display option:
•Press while in Measure mode. The “
 ” message will be displayed in
the Reminder messages area.
•Press . The instrument will display the detailed GLP
data.
DISPLAYING MODES
For measurement mode’s the following display configurations are available: Basic, Good Laboratory Practice
(GLP), Graph and Log History.

The main measured value and it’s units are displayed on the
LCD, along with the temperature value, temperature probe
status and basic calibration information (when available).
To choose the Basic display mode:
•Press while in Measure mode. The “ 
” message will be displayed in the Reminder
messages area.
•Press . The instrument will display the basic
information for the selected measurement mode.
INSTRUMENT START UP
•Please ensure that the capacitive keypad is not covered by hand or other objects at the meter power on.
•Turn the instrument on from the power button located on the rear panel of the instrument.
•Please wait until the instrument finishes the initialization process.
 It is normal for the loading process to take a few seconds. If the instrument doesn’t display the next
screen, restart the meter using the power button. If the problem persists, contact your dealer.
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14 15
SYSTEM SETUP
 
The measurement, along with  , will be visible when this option is selected:
1) The last stored logged data (Not actively logging) or
2) The last data logged from an active logging lot or
3) An empty display - NO LOTS saved, Not currently logging
The log history list also contains the main measured value, the appropriate mV, the temperature, the
temperature probe source, as well as a record time stamp.
To access the Log History display option:
•Press while in Measure mode. The “ 
” message will be displayed in the Reminder
messages area.
•Press . The instrument will display the log history
regarding the selected Measure mode.
 •When an alarm condition is active, the logged records
will have an exclamation mark “”.
•If logged in Auto Hold, logged records will have an
“”.
•If another Measure mode is selected, the Log History
will reset.
•If the temperature unit is changed, all logged temperature values will be automatically displayed
in the new temperature unit.
•“” denotes automatic temperature compensation.
“” denotes manual temperature compensation.
•Press to access the zoom menu for Y axis. Use or for zooming Y (parameter)
axis.
•Press to return to the main menu.
When the   is displayed:
•Use the arrow keys to move along the X (Time) and Y (parameter) axes of the graph.
•Press to access the zoom menu for X and Y axes. Use , or / /
/ / / / / to switch between the active zooming
axes. Press or to zoom the selected axis.
:While in zoom graph menu the key is not accessible.
•Press to return to the main menu.
The System Setup menu allows the user to customize the user interface, view meter information, set the
external serial communication interface and to restore the manufacturer settings.
  
•Press while in Measure mode.
•Press . The system setup options will be displayed on
the LCD.
To access a System Setup option:
•Use or to highlight the desired option.
•Press to access the selected option.
The following is a detailed description of the System Setup option screen:
Beeper
This option allows the user to turn an acoustic warning signal on
or off. This function can be used to signal 4 different events: a
stable signal, an alarm state, when every key is pressed or when
an incorrect key is pressed. Enable (or disable) the Beeper for
these events. Disabling the Beeper will stop audible signals.
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16 17
Saving Confirmation
Enable this option to force confirmation of a change made to a
setting in GLP data option field or a Sample ID name. If Saving
Confirmation is enabled, the user will have to accept the change
with a key stroke. If Saving Confirmation is disabled, the changes
made to these fields change automatically without asking
confirmation.
GLP Data
Use this option to customize logging GLP information with specific identification data. When enabled, these ID
tags will be included in the GLP section of all data logs for all modes of operation. Each data field can use up to
10 characters.
The available fields are:
  : used to add the name of the operator
  : used to name an instrument with a discrete name, location or number
  : used to include the Company ID to the GLP data field.
  : Two data fields are available for general notes or notations.
To add the GLP Data:
•Press while in
Measure mode.
•Press .
•Use or to select the GLP Data option.
•Press and use or to highlight the
desired option.
•Press to edit the desired information. The Text Editor
menu will be displayed on the LCD.
•Enter the desired information by accepting the highlighted
character which is added to the text bar, using . The
and keys help the user to select the desired character. It is also possible to delete the last
character by positioning the cursor on the Backspace character ( ) and pressing .
•Press to return to the GLP Data options. If the Saving Confirmation is enabled, press to
accept the modified option, to escape without saving or to return to the editing mode.
Otherwise, the modified options are saved automatically.
Date & Time
Set the current date & time and the format in which they appear.
   
This option allows you to set the current date (year/month/day) and time (hour/minute/second).
 •Only years starting with 2000 are accepted.
•The time is set using the selected time format. For 12 Hour time format only, the AM/PM can
also be selected with or .
  
Choose between 12 Hour (AM/PM) time format or 24 Hour time format.
  
Choose the desired date format from 7 available options: DD/MM/YYYY,MM/DD/YYYY,YYYY/MM/DD,YYYY-MM-DD,
Mon DD, YYYY, DD-Mon-YYYY or YYYY-Mon-DD.
To set the Date & Time:
•Press while in
Measure mode.
•Press .
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•Use or to select the Date & Time option.
•Press and use or to highlight the Set
Date and Time.
•Press to confirm your selection. Use /
to select next/previous entry to be edit. Press and use
or to set the desired value, then press
to save the modified value (for Set Date and Time option).
•For the other two options press to confirm your selection
and select one of the displayed options.
•Press to return to previous menu. If the Saving
Confirmation is enabled, press to accept the modified option, to escape without saving or
to return to the editing mode. Otherwise, the modified option is saved automatically.
:If the time is changed with more than one hour before last pH/ISE calibration, a pop-up warning
will appear on the LCD, notifying the user that a date/time conflict has occurred and some
time-dependent features could work improperly (e.g. Measure , GLP, Log).
LCD Setup
This option allows the user to set the Contrast, the Backlight of the LCD and the Backlight Saver. The Contrast
parameter can be adjusted within 7 steps, while the Backlight parameter within 8 steps. The Backlight Saver can
be set from 1 to 60 minutes or it can be OFF (disabled). All the changes are visible on the LCD for each parameter.
:If the instrument backlight turns off after the time period set, press any key to turn it back on.
To set the LCD Setup:
•Press while in Measure mode.
•Press .
•Use or to select the LCD Setup option.
•Press and use key to highlight the desired
parameter.
•Use or to adjust the contrast / backlight or to
set the desired backlight saver time.
•Press to confirm the modified options and return to the
System Setup menu.
Color Palette
This option allow the user to choose a desired color palette.
To select the Color Palette:
•Press while in Measure mode.
•Press .
•Use or to select the Color Palette option.
•Press and use or to highlight the desired color.
•Press to confirm your selection and return to the System
Setup menu or press to return to the System Setup menu
without changing.
Language
This option allows the user to choose the desired language in which
all information will be displayed.
To select the Language:
•Press while in Measure mode.
•Press .
•Use or to select the Language option.
•Press and use or to highlight the desired language.
•Press to confirm your selection and return to the System Setup menu or press to return to the
System Setup menu without changing.
1roloC txeteulbdnuorgkcabetihW
2roloC txetetihwdnuorgkcabeulB
3roloC txetkcalbdnuorgkcabetihW
4roloC txetetihwdnuorgkcabkcalB
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20 21
•Press while in Measure mode to access channel
selection menu. Four available options will be displayed:
Channel 1 , Channel 2 or multi-channel with the first or
the second channel highlighted. The “ 
” message is displayed in the Reminder
messages area.
•Select the desired option by pressing the appropriate key:
, , or . The instrument will
display in the selected option
Measure mode.
Serial Communication
This option allows the user to set the desired speed for the serial communication (baud rate) in bps. The meter and
the PC program must have the same baud rate.
To set the Serial Communication:
•Press while in
Measure mode.
•Press .
•Use or to select the Serial Communication
option.
•Press and use or to highlight the
desired baud rate.
•Press to confirm your selection and return to the System
Setup menu or press to return to the System Setup menu
without changing.
Meter Information
This option provides general information about the instrument serial number (each instrument has a unique
identification serial number), the software version and the factory calibration date and time (for mV and
temperature).
:All instruments are factory calibrated for mV and temperature for Channel 1 and resistance and temperature
for Channel 2. One year after factory calibration, a warning message starting “ 
” will be displayed when powering up the instrument. The instrument will still function, however,
it should be taken to the nearest Hanna Customer Service for factory calibration.
To view the Meter Information:
•Press while in
Measure mode.
•Press .
•Use or to select the Meter Information option.
•Press to acces the Meter Information menu.
•Press to return to the System Setup menu.
Restore Factory Settings
This option allows the user to erase all user settings and reset the
instrument to the default factory settings.
To restore the Factory Settings:
•Press while in
Measure mode.
•Press .
•Use or to select the Restore Factory Settings
option.
•Press to confirm your selection. A pop-up menu will be
displayed, asking for confirmation.
•Press to confirm your selection and return to the System
Setup or press to return to the System Setup menu
without restoring defaults.
•Press to return to Measure mode.
Software update
This function allows the user to update instrument software. In
order to start the PC upgrade application, you need to select the
proper baud rate, the software update package and start the
update.
CHANNEL SELECTION
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pH SETUP
The pH Setup menu allows the user to set the parameters associated with pH measurement and calibration.
pH can be set for Channel 1 only.
  
•Press while in Measure mode and then to
select pH range for the desired channel.
•Press and then to access pH Setup menu.
To access a pH Setup option:
•Use or to highlight the desired option.
•Press to access the selected option.
The following is a detailed description of the pH Setup option
screens.
Profile
This option opens the Profile manager. Enabling Profile allows
the user to Save, Load or Delete an application Profile. The Profile
option allows the user to store up to ten separate profile
applications (five profiles for each channel). Each Profile can be
named and recalled at a moment’s notice. A profile is a sensor
setup complete with measurement units, logging and display
preferences, calibration standards (Buffer or Standards including
custom), setup of the Display screen for measurement (i.e. single,
dual, graphing, GLP) and any other sensor configuration. Once saved,
the exact same profile can be used at another time. This is a
handy feature if the meter is used occasionally for additional
applications because it saves time in the setup of the meter and
ensures that the same procedure will be used.
To save the measurement configuration for pH mode:
•Press and use or to highlight Profile.
•Press / to enable / disable this feature.
The available options are:
 : save the current profile.
  : save current profile using a specific name.
 : load from available profiles.
 : delete a profile.
  
To save the current profile:
•Use or to select Save Profile or Save Profile As...
•Press . The Text Editor box will be displayed on the LCD.
•Enter the desired profile name by using and to highlight the desired character and then press
to add it to the text bar. It is also possible to delete the last character by positioning the cursor on the
Backspace character ( ) and pressing .
•Press to return to the Profile options.
•Use Save Profile to save changes made to a presently used Profile. Changes will overwrite existing configurations.
•Select Load Profile to select a profile to use from the list of saved profiles. Highlight the desired profile and
press .
•Select Delete Profile to remove a selected profile from the saved list.
Highlight the profile and press .
Temperature
The temperature has a direct influence on pH. This option allows the user to choose the temperature source and
units, as well as the desired manual temperature for manual temperature compensation mode.
Temperature Source
If using a temperature probe, Automatic Temperature Compensation will be performed relative to the displayed
temperature, with the “” indicator displayed on the LCD. A single temperature probe can be used for both
measurement channels if desired. Select the source by selecting Manual, Channel 1 or Channel 2. If no temperature
probe is detected, Manual Temperature Compensation will be performed, with the “” indicator on the LCD.
Temperature Unit
The desired temperature unit can be chosen (Celsius, Fahrenheit or Kelvin degrees) and the meter will automatically
make the conversion for the selected unit.
Manual Temperature
If no temperature probe is connected, the desired temperature can be set manually. The default setting is 25 °C.
If the measured temperature is different, the value can be manually adjusted to obtain an accurate pH measurement.
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To set one of the Temperature options:
•Press while in pH Measure mode.
•Press .
•Use or to select the Temperature option.
•Press and use or to highlight the
desired Temperature option you wish to modify.
•Press and use or to highlight the
desired option (for Temperature Source & Unit options) or use
or to adjust the temperature value between
the displayed limits (for Manual Temperature option).
•Press to confirm your selection (for Temperature Source
& Unit options) or press to save the current value (for Manual Temperature option). Otherwise, press
to cancel operation.
Calibration
This option allows the user to setup desired parameters related to the calibration.
  
Three settings are available for the pH buffers used for electrode calibration:
Automatic - the instrument automatically selects the closest buffer to the measured pH value from the
predefined buffers chosen in the option Edit Buffer Group .
Semiautomatic - the instrument automatically selects the closest buffers to the measured pH value from all
available buffers and you can choose the one used, from standard and custom buffers.
Manual Selection - the desired pH buffer is manually selected from all available buffers (standard and
custom).
To set the Buffer Entry Type:
•Press while in pH Measure mode.
•Press .
•Use or to select the Calibration option.
•Press and use or to highlight the
Buffer Entry Type option.
•Press and use or to highlight the
desired option.
•Press to confirm your selection or press
to
cancel operation.
  
Two options are available for the 1st Cal. Point parameter: Point and
Offset.
Point: A new buffer can be added to an existing calibration. The
electrode slope will be reevaluated with the addition of this buffer
(normal operation).
Offset: The new buffer calibration point can create a constant
offset to all existing pH calibration data (existing calibration
must have a minimum of two pH buffers).
To set the 1st Cal. Point:
•Press while in pH Measure mode.
•Press .
•Use or to select the Calibration option.
•Press and use or to highlight the 1st Cal. Point option.
•Press / as desired.
•Press to return to previous menu.
  
If special custom pH buffers are required during calibration, the
Edit Custom Buffers option is available. Up to five pH custom
buffers can be added. If a custom buffer is used, the user must
verify it’s value at the temperature of calibration.
To edit/set the Custom Buffers:
•Press while in pH Measure mode.
•Press .
•Use or to select the Calibration option.
•Press and use or to highlight the Edit
Custom Buffers option.
•For a previous set value, press to set the custom buffer value to “” if desired and confirm the
setting by pressing , otherwise press to edit the selected custom buffer.
•While in edit custom buffer menu press to set the custom buffer value to 7.000 pH and then use
or to set the desired custom buffer value.
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•Press to exit custom buffer edit menu. If the Saving Confirmation is enabled, press to accept
the modified option, to escape without saving or to return to the editing mode. Otherwise,
the modified option is saved automatically.
•Use key to select the next custom buffer to be set or press to return to Calibration options.
  
Accessing this option, the user can edit the desired group of five pH
buffers for automatic buffer recognition (Automatic Buffer Entry
Type). If the Buffer Group already contains five pH buffers, at least
one pH buffer has to be removed in order to add another buffer.
To edit/set the Buffer Group:
•Press while in pH Measure mode.
•Press .
•Use or to select the Calibration option.
•Press and use or to highlight the Edit
Buffer Group option.
•Press and use and to choose the pH buffer to be included in the buffer group.
•Press or to add/remove the selected pH buffer to/from the buffer group.
•Press to return to Calibration options and to save the changes.
 
This option allows the user to select a calibration reminder
schedule. Three options are available for the calibration reminder:
Daily, Periodic or Disabled.
To set the Calibration Reminder:
•Press while in pH Measure mode.
•Press .
•Use or to select the Calibration option.
•Press and use or to highlight the
Calibration Reminder option.
•Press and use or to highlight the desired option.
•Press to confirm your selection or press to cancel operation.
  
Schedule the calibration reminder timing with this option (verify
Daily or Periodic is set for Calibration Reminder).
If a Daily reminder is desired, set the time of day you wish the
reminder to occur.
If a Periodic reminder is desired, schedule time in days, hours and/
or minutes after the last calibration for the reminder to occur.
To set the Reminder Period:
•Press while in pH Measure mode.
•Press .
•Use or to select the Calibration option.
•Press and use or to highlight the Set Reminder Period option.
•Press and use / to select next/previous entry to be edited.
•Press and use or to set the desired value, then press to save the modified
value.
•Press to return to the Calibration options. If the Saving Confirmation is enabled, press to
accept the modified option, to escape without saving or to return to the editing mode.
Otherwise, the modified option is saved automatically.
 
This feature deletes the pH electrode calibration. A default pH
calibration will replace the actual electrode calibration until a new
electrode calibration is made.
To clear Calibration:
•Press while in pH Measure mode.
•Press .
•Use or to select the Calibration option.
•Press and use or to highlight the
Clear Calibration option.
•Press to clear calibration. A pop-up menu will be
displayed asking for confirmation (when a calibration is available).
•Press to confirm or press to escape without saving and return to the Calibration options.
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Sample ID
This option allows the user to assign an identification number/
name. Two Sample ID options are available: ID Increment and Edit
Sample ID.
 
Two choices are available for the sample ID:
None - the sample ID will be fixed and it can be entered
alphanumerically (see Edit Sample ID).
Automatic -the sample ID will automatically increment by one
for each new log lot.
To set the ID Increment mode:
•Press while in pH Measure mode.
•Press .
•Use or to select the Sample ID option.
•Press and use or to highlight the ID Increment option.
•Press / as desired.
•Press
to return to previous menu.
  
This option allows the user to edit the sample ID.
:The ID Increment mode must be set to None, to use this
feature.
To edit the Sample ID:
•Press while in
pH Measure mode.
•Press .
•Use or to select the Sample ID option.
•Press and use or to highlight the Edit
Sample ID option.
•Press to confirm your selection.
•If the selected increment is None, the Text Editor menu will be displayed on the LCD, allowing you to enter the
desired sample number/name by accepting the highlighted character which is added in the text bar, using
. The and keys help the user to select the desired character.
It is also possible to delete the last character; position the cursor on the Backspace character and press
.
•Press to return to Sample ID options. If the Saving
Confirmation is enabled, press to accept the modified
option, to escape without saving or to return to
the editing mode. Otherwise, the modified options are saved
automatically.
•If the selected increment mode is Automatic, the desired sample
ID value can be set using or .
•Press to save the current value or press to
cancel operation.
Stability Criteria
This option allows the user to select the signal stability criterion for the measured parameter (pH, mV, ISE):
Fast - this setting will give faster results with less accuracy.
Medium - this setting will give medium speed results with medium accuracy.
Accurate - this setting will give slower results with high accuracy.
To set the Stability Criteria:
•Press while in pH Measure mode.
•Press .
•Use or to select the Stability Criteria option.
•Press and use or to highlight the
desired option.
•Press to confirm your selection or press to
cancel operation.
Reading Mode
This option allows the user to select between Direct and Direct/AutoHold pH mode.
Direct - the current reading is displayed in realtime on the LCD.
Direct/AutoHold - the current reading can be frozen on the LCD when is pressed and the stability criterion is reached.
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To set the Reading Mode:
•Press while in pH Measure mode.
•Press .
•Use or to select the Reading Mode option.
•Press / to select Direct / AutoHold option as
desired.
•Press to cancel operation.
Log
 See  section for available types of logging.
This option allows the user to edit the log settings: Logging Type, Logging Data Configuration, Sampling Period
and New Lot.
 
Three logging types are available: Automatic, Manual and Auto Hold.
Automatic - the measurement data is logged automatically at constant time intervals;
Manual - a snapshot of the displayed measurement data is logged with time stamp when the user manually
depresses Log;
Auto Hold - this is configured along with the Direct/AutoHold Reading Mode to take a snapshot of stable
measurement data. Press to initiate a logging session. Press to initiate an Auto Hold event. The
log occurs automatically once measurement stability is reached. This type log removes subjective data, as it only
captures stable measurements.
To set the Logging Type:
•Press while in pH Measure mode.
•Press .
•Use or to select the Log option.
•Press and use or to highlight the
Logging Type option.
•Press and use or to highlight the
desired option.
•Press to confirm your selection or press to
cancel operation.
  
This option allows the user to select which parameters will
accompany a log File: Date/Time, Calibration Data, Sample ID,
Instrument ID, Operator ID, Company Name, Additional Info 1 and
Additional Info 2.
To set the Logging Data Configuration:
•Press while in pH Measure mode.
•Press .
•Use or to select the Log option.
•Press and use or to highlight the
Logging Data Configuration option.
•Press and use or to highlight the desired parameter to be logged in file.
•Press to enable the parameter or to disable it.
•Press to return to previous menu.
 
This option allows the user to select the desired sampling period for
automatic logging type.
To set the Sampling Period:
•Press while in pH Measure mode.
•Press .
•Use or to select the Log option.
•Press and use or to highlight the
Sampling Period option.
•Press and use or to select the desired
option.
•Press to confirm your selection or press to cancel operation.
 
This option is used to create a new lot when manual logging is used.
:If New Lot option is accessed and the Logging Type is Automatic, a warning message appears on the LCD
informing the user that a new lot can be created only if the Logging Type is set as Manual.
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To generate a New Lot:
•Press while in
pH Measure mode.
•Press .
•Use or to select the Log option.
•Press and use or to highlight the New
Lot option.
•Press to generate a new manual lot. A pop-up menu will
be displayed asking for confirmation.
•Press to confirm or press to escape without
saving and return to the Log options.
Alarm
This option allows the user to select the alarm settings: Alarm State and Alarm Limits. If the Alarm option
is enabled, a continuous double beep will be heard, along with the “” indicator blinking on the LCD,
each time the set limits in Measure mode are exceeded.
 Alarm Beeper must be set On for audible beep to be heard.
See: System Setup > Beeper > Alarm.
 
Three settings are available for the Alarm State option:
Disabled - the alarm will be disabled.
Inside Limits - the alarm state will trigger when the measured value is inside the set limits.
Outside Limits - the alarm state will trigger when the measured value is outside the set limits.
To set the Alarm State:
•Press while in pH Measure mode.
•Press .
•Use or to select the Alarm option.
•Press and use or to highlight the Alarm
State option.
•Press and use or to highlight the
desired option.
•Press to confirm your selection or press
to cancel
operation.
 
This option allows the user to set the alarm limits for the measured value.
:The Alarm High value can not be lower than the Alarm Low value.
To set the Alarm Limits:
•Press while in
pH Measure mode.
•Press .
•Use or to select the Alarm option.
•Press and use or to highlight the
Alarm Limits option.
•Press and use / to select next/
previous entry to be edited.
•Press and use or to set the desired
value, then press to save the modified value.
•Press to return to the Alarm options. The modified option is saved automatically.
Isopotential Point
This option allows the user to edit the isopotential point of the electrode used for pH measurements. The
isopotential point is the mV reading for an electrode at which temperature has no effect on the measurement. The
ideal electrode has an isopotential point of 0.0 mV and 7.00 pH, while an actual electrode typically deviates
slightly from the ideal values.
If the actual isopotential pH for an electrode is known, it can be set by accessing this option.
:If the isopotential point has been modified, recalibration must be performed.
To set the Isopotential Point:
•Press while in
pH Measure mode.
•Press .
•Use or to select the Isopotential Point option.
•Press and set the desired isopotential pH value using
or .
•Press to save the current value or press to
cancel operation.
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34 35
mV SETUP
pH Resolution
Select the desired pH resolution with this option. Choose from
one (X.X), two (X.XX) or three (X.XXX) digits displayed past the
decimals.
To set the pH Resolution:
•Press while in pH Measure mode.
•Press .
•Use or to select the pH Resolution option.
•Press and use or to highlight the
desired option.
•Press to confirm your selection or press to cancel operation.
The mV Setup menu allows the user to set the parameters associated with mV and Relative mV
measurements.
  
•Press while in Measure mode and then or
to select mV / Rel mV range for the desired
channel.
•Press and then to access mV Setup menu.
To access a mV Setup option:
•Use or to highlight the desired option.
•Press to access the selected option.
The following is a detailed description of the mV Setup option
screens.
Profile
See pH Setup section.
Temperature
ORP measurements are not temperature compensated, although
ORP values can change with temperature (e.g. reference electrode
potential changes, sample equilibrium changes). It is important to
report ORP values together with the reference electrode used and
the temperature of measurement.
This option permits selection of the temperature source and
measurement units.
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36 37
ISE SETUP (HI 5522 only)
 
If using a temperature probe, sample temperature will be displayed with the “” indicator displayed on the
LCD. The ATC option can be selected from Channel 1 or Channel 2. If no temperature probe is detected, a Manually
set value will be displayed (and logged) with the measurement.
 
Select the desired temperature unit (Celsius, Fahrenheit or Kelvin degrees) and the Meter will automatically
convert to the selected unit.
 
If no temperature probe is connected, the desired temperature can be manually entered. The default setting
is 25 °C.
Calibration   
 
This option allows the user to select a calibration reminder schedule if desired.
See pH Setup section > Calibration Reminder section for option access details.
  
See pH Setup section > Set Reminder Period section.
 
This feature deletes the Relative mV calibration for the selected channel.
•Press while in Rel mV mode.
•Press then use or to access Calibration option.
•Press and use or to highlight Clear Calibration option.
•Press to clear calibration. A pop-up menu will be displayed asking for confirmation (when a
calibration is available).
•Press to confirm or press to escape without saving and return to the Calibration options.
Sample ID - See pH Setup section.
Stability Criteria - See pH Setup section.
Reading Mode - See pH Setup section.
Log - See Logging section or pH Setup section.
Alarm - See pH Setup section.
The ISE Setup menu allows the user to set the parameters regarding ISE measurement and calibration.
  
•Press while in Measure mode and then to
select ISE range for the desired channel.
•Press and then to access ISE Setup menu.
To access an ISE Setup option:
•Use or to highlight the desired option.
•Press to access the selected option.
The following is a detailed description of the ISE Setup option
screens.
Profile - See pH Setup section.
Reading Mode
This option allows the user to select the desired reading mode: Direct, Direct/AutoHold, Known Addition, Known
Subtraction, Analyte Addition and Analyte Subtraction. Four of these Reading Modes are collectively known as
Incremental Methods (see ISE Theory section for details). Direct measurements and Direct/AutoHold measurements
are also possible.
Direct
Direct measurements are analogous to taking pH measurements. The ISE is calibrated in Ion standards and
sample measurements are made directly. The ISE’s manual should be consulted for tips and practices of making
Direct measurements. The Ion concentration can be read directly from the instrument.
Direct/AutoHold
Direct/AutoHold measurements are made similar to Direct measurements. The advantage of using AutoHold is a
measurement that has not reached equilibrium will not be used. Only after the chosen stability criteria has been
met will the meter go into the AutoHold mode. Using AutoHold removes the subjective nature of stability.
Known Addition
In the Known Addition method, a sample is measured with an ISE before and after the addition of a known volume
of a standard. The mV difference is then used to calculate the concentration of the Ion in the original sample.
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Known Subtraction
In the Known Subtraction method, a sample is measured with an ISE before and after the addition of a known
volume of a reactant standard. The reactant standard reacts with the measured Ion in the sample, reducing it’s
concentration. The mV difference is then used to calculate the concentration of the Ion in the original sample. The
stoichiometric ratio between Reactant Standard and Ion in the sample must be known.
Analyte Addition
Analyte Addition is similar to the Known Addition method, with the difference being that an aliquot of sample is
added to a known volume of standard. Both solutions contain the same measured ion. The standard is measured
with an ISE before and after the addition of a known volume of a sample. The Ion concentration is then calculated
using the difference in mV potential. The sample should increase the concentration of the Ion being measured.
Analyte Subtraction
In the Analyte Subtraction method, an aliquot of sample is added to a reactant standard of known concentration
and volume. The sample partially reacts with the measured ion. The stoichiometric ratio between standard and
sample must be known. The Ion concentration is then calculated using the difference in mV potential.
To set the Reading Mode:
•Press while in
ISE Measure mode.
•Press .
•Use or to select the Reading Mode option.
•Press and use or to highlight the
desired option.
•Press to confirm your selection or press
to
cancel operation.
Temperature
This option permits the user to configure all parameters related to
ISE temperature measurements.
 
The options are Manual, Channel 1 or Channel 2. If no temperature
probe is detected, a Manually set value will be displayed (and
logged) with the measurement. If a temperature probe is connected
to either channel, it may be selected. The temperature measurement
will be displayed and logged with the measurement and may be
used for temperature compensation calculation if Temperature
Compensation is enabled.
 
Select the desired temperature unit (Celsius, Fahrenheit or Kelvin degrees) and the meter will automatically
convert to the selected unit.
 
If no temperature probe is connected, the desired temperature can be set manually. The default setting is 25 °C.
If the measured temperature is different, the value can be manually adjusted to obtain an accurate Ion measurement.
 
ISE measurements benefit from temperature compensated corrections if:
•standards and sample temperatures differ from each other
•the Isopotential Point of the ISE is known.
If sample and standards are made at the same temperature, leave this option disabled.
 
If the Temperature Compensation is enabled, the isopotential point
of the ISE must be added in this parameter. Verify the Electrode Type
and Concentration Unit are configured for the desired application.
The Isopotential point will use the selected concentration unit. Use
and to edit the isopotential point value and press
to save the value or press to cancel operation.
:
•A warning message will appear on the LCD informing the user to
perform a new calibration.
•A minimum of two Ion standards is required for the ISE calibration.
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