Knick PORTAVO 904 PH User manual

Portavo® 904(X) PH
User Manual
English
Latest Product Information: www.knick.de
Knick Corporate Design 39
Manual / Bedienungsanleitungen
Formate
Die große Produktbreite
des Unternehmens mit ihren
unterschiedlichsten Ver-
packungsgrößen erfordert
entsprechende Format-
varianten der Bedienungs-
anleitungen.
Es gibt u.a. folgende
Formate:
– DIN A5
– DIN A6
– 70 x 297 mm
– 70 x 230 mm
– 98 x 110 mm
Faltungen
Abhängig von Format und
Umfang der Bedienungs-
anleitungen werden un-
terschiedliche Faltungen
effektiv eingesetzt:
Klammerheftung, Zickzack-
falz und Kreuzfalz.
Farben
Die Bedienungsanleitungen
sind grundsätzlich schwarz/
weiß angelegt. Farben
werden nur zur Codierung,
Darstellung von Farbdisplays
und wichtiger Features
eingesetzt.
Betriebsanleitung
deutsch
Stratos Pro A2... pH
The Art of Measuring.
www.knick.de
Aktuelle Produktinformation:
Stratos®Pro A2... PH
Betriebsanleitung
Aktuelle Produktinformation: www.knick.de
II 1 G Ex ia IIC T3/T4/T6
BVS 10 ATEX E 089 X
MEMO SENS
Ø 12 mm
120 / 225 mm
Serial No.
SE 706X/1-NMSN
14163 Berlin
0044
BVS 10 ATEX E089 X
II 1G Ex ia IIC T3/T4/T6
SE 706X/2-NMSN
14163 Berlin
0044
BVS 10 ATEX E089 X
II 1G Ex ia IIC T3/T4/T6
orange-red ring
orange-red ring
Betriebs-
anleitung
deutsch
SE 706
II 1 G Ex ia IIC T3/T4/T6
BVS 10 ATEX E 089 X
MEMO SENS
SE 706X/1-NMSN
14163 Berlin
0044
BVS 10 ATEX E089 X
II 1G Ex ia IIC T3/T4/T6
SE 706X/2-NMSN
14163 Berlin
0044
BVS 10 ATEX E089 X
II 1G Ex ia IIC T3/T4/T6
Betriebsanleitung für Sauerstoff-Sensoren der Reihe SE 706-Memosens®
II 1 G Ex ia IIC T3/T4/T6
BVS 10 ATEX E 089 X
MEMO SENS
SE 706X/1-NMSN
14163 Berlin
0044
BVS 10 ATEX E089 X
II 1G Ex ia IIC T3/T4/T6
SE 706X/2-NMSN
14163 Berlin
0044
BVS 10 ATEX E089 X
II 1G Ex ia IIC T3/T4/T6
II 1 G Ex ia IIC T3/T4/T6
BVS 10 ATEX E 089 X
MEMO SENS
SE 706X/1-NMSN
14163 Berlin
0044
BVS 10 ATEX E089 X
II 1G Ex ia IIC T3/T4/T6
SE 706X/2-NMSN
14163 Berlin
0044
BVS 10 ATEX E089 X
II 1G Ex ia IIC T3/T4/T6
II 1 G Ex ia IIC T3/T4/T6
BVS 10 ATEX E 089 X
MEMO SENS
SE 706X/1-NMSN
14163 Berlin
0044
BVS 10 ATEX E089 X
II 1G Ex ia IIC T3/T4/T6
SE 706X/2-NMSN
14163 Berlin
0044
BVS 10 ATEX E089 X
II 1G Ex ia IIC T3/T4/T6
Memosens
®
Pg 13.5 -Steckkopf
Pg 13.5
Membrankappe
Membran
¡Å ¶

3
Basics
Return of products under warranty
Please contact our Service Team before returning a defective device.
Ship the cleaned device to the address you have been given.
If the device has been in contact with process uids, it must be decontaminated/
disinfected before shipment. In that case, please attach a corresponding certicate,
for the health and safety of our service personnel.
Registered trademarks
The following names are registered trademarks. For practical reasons they are shown
without trademark symbol in this manual.
• Calimatic®
• Memosens®
• Paraly®
• Portavo®
• Sensocheck®
• Sensoface®
Disposal
Please observe the applicable local or national regulations concerning
the disposal of “waste electrical and electronic equipment”.

4Table of Contents
Package Contents ............................................................................... 6
Documentation................................................................................... 7
Overview of the Portavo 904(X) PH .................................................. 8
Value-Added Features ..............................................................................................9
Protective Cover.......................................................................................................10
Hook............................................................................................................................. 10
Display.........................................................................................................................11
Keypad ........................................................................................................................12
Start-Up.............................................................................................13
Inserting the Batteries........................................................................................... 13
Batteries
for Application in Hazardous Locations..........................................................14
Connecting a Sensor..............................................................................................15
Switching On the Meter........................................................................................ 16
Icons.............................................................................................................................16
Conguring .......................................................................................17
Calibrating ........................................................................................18
Measuring .........................................................................................25
Switching the Measured Value Display ...........................................................25
Adjusting the Temperature..................................................................................25
Data Logger ......................................................................................26
Operating Modes of the Data Logger (Logger Type) .................................27
Data Logger Menu.................................................................................................. 29
Conguring the Data Logger..............................................................................30
Starting the Data Logger using CONT............................................................. 31
Starting the Data Logger using START ............................................................31
Displaying the Logger Data.................................................................................32
Stopping the Data Logger ...................................................................................33
Clearing the Data Logger .....................................................................................33
Clock ..................................................................................................34

5
Table of Contents
Option 001 SOP ................................................................................35
Option 002 Temperature Calibration..............................................36
Enabling Options / TAN Input .......................................................... 37
Passcodes for CONF and CAL...........................................................38
Sensor Verication (Memosens).........................................................................39
Paraly SW 112 Software ..................................................................39
Error Codes and Device Messages...................................................40
“Sensoface” Messages............................................................................................41
Error Messages .........................................................................................................42
Product Line......................................................................................43
Accessories ................................................................................................................43
pH Sensors.................................................................................................................44
Knick CaliMat Buer Solutions ...........................................................................45
Specications....................................................................................46
Index..................................................................................................50

6Package Contents
Check the shipment for transport damage and completeness.
The package of the Portavo 904(X) PH includes:
• The Portavo 904(X) PH incl. 4 AA batteries and premounted quiver
• Carrying strap
• Quickstart instructions in various languages
• Specic test report
• Safety instructions
• Certicates
• Data carrier with detailed user manuals and Paraly SW 112 software
• USB cable, 1.5 m

7
CD-ROM
Complete documentation:
• User manuals in dierent languages
• Safety Information
• Certicates
• Quickstart guides
Safety Instructions
In ocial EU languages and others.
• EC Declarations of Conformity
Quickstart Guides
Installation and rst steps:
• Operation
• Menu structure
• Calibration
• Error messages and recommended actions
Various languages on CD-ROM and on our website:
www.knick.de
Specic Test Report
Certicates
• IECEx
• ATEX
Documentation

8
The Portavo 904(X) PH is a portable
pH meter. A plain-text line on the high-
contrast LCD screen makes operation vir-
tually self-explanatory. The device variant
904 XPH is available for applications in
hazardous locations up to Zone0.
The meter stands out by the following
features:
• Use of digital Memosens sensors
• Memosens sensors and DIN pH sensors
can be used on one device.
• A detachable quiver protects the sensor
and prevents it from drying out. Further-
more, it can be used for calibration.
Overview of the Portavo 904(X) PH
Quiver
• The rugged housing is made of a high-performance polymer. It provides high
impact resistance and dimensional stability even when exposed to extreme
moisture.
• Scratch-proof clear glass display, perfectly readable even after years
• Very long operating times with one set of batteries (4 x AA) or use of a Li-ion
battery for reliable operation even at high or very low operating temperatures
(Li-ion battery not suited for Portavo 904 X PH for application in a hazardous
location)
• Data logger with 5000 values
• Micro USB port for communication with Paraly SW 112 software for data
evaluation of digital sensors (Memosens)
• Sensoface icons provide single-glance information on the sensor condition
(page 41)
• Calibration with“Calimatic” automatic buer recognition (page 18)
• Manual calibration by entering individual buer values
• Real-time clock and indication of battery charging level
• At measuring temperatures from -20 to +100 °C the temperature detector can be
automatically identied.

9
Value-Added Features
Memosens
The Portavo 904 can communicate with
Memosens sensors. When these digital sensors are
connected to the meter, they are automatically
identied and indicated by the logo shown on the
right. Furthermore, Memosens allows the storage
of calibration data, which will be available and
can still be used when the sensor is connected to
another Memosens-capable device.
Sensoface
Sensoface provides quick information on the sen-
sor condition. The three“smiley” faces as shown
on the right represent the sensor condition during
measurement and after a calibration. When the
condition deteriorates, an “INFO …”message
gives a hint to the cause.
Automatic calibration with Calimatic
Calimatic is a very convenient method for pH
calibration with automatic buer recognition.
You only have to select the buer set with the
buers used. The buers can then be used in any
order.
As delivered, this calibration method is preset. It
can be adjusted or disabled in the conguration
menu.
Overview of the Portavo 904(X) PH

10
Protective Cover
The front of the meter is protected by a
cover, which can be completely ipped
over and secured to the back for oper-
ation. A label on the inner side of the
cover explains the control functions and
device messages.
Overview of the Portavo 904(X) PH
Hook
A fold-out hook on the back allows
suspending the meter. This leaves your
hands free for the actual measurement.
The rating plate is located beneath the
hook.
Protective Cover and Hook
Combined
Cover and hook can be joined together
to form a benchtop stand allowing com-
fortable and fatigue-free working at a lab
bench or desk.

11
Overview of the Portavo 904(X) PH
Display
The meter has a three-line display for
representing alphanumeric informa-
tion such as measurement and calibra-
tion data, temperatures and date/time.
Additional information is provided by
means of icons (Sensoface, battery
icon, etc.).
Some typical displays are shown here.
Measuring
(display of measured value,
temperature, date and time)
Calibration – step 1
Logger data
(display of measured value, memory
location, temperature, date and time)
Clock
(display of hours and minutes,
seconds and date).
End of calibration
(display of slope)

12 Overview of the Portavo 904(X) PH
Keypad
The keys of the membrane keypad have a
noticeable pressure point.
They have the following functions:
on/o Switches the meter on and
displays the device and
calibration data
(see Start-Up)
meas Switches the meter on /
Activates measuring mode /
Stops the data logger
cal Starts calibration
set Activates conguration /
Conrms entries
clock Displays time and date, allows
setting the clock using set
RCL View stored values
STO Holds and saves a measured
value, allows setting and
starting the logger by
pressing set (page 26)
▲
▼
When this icon is displayed,
you can use the arrow keys
for navigation.

13
Start-Up
Inserting the Batteries
With four AA batteries, the Portavo has an
operating time of over 1000h.
Open the battery compartment on the
rear of the device. Be sure to observe the
correct polarity when inserting the batter-
ies (see markings in the battery chamber).
Close the battery compartment cover and
screw it handtight.
Check the shipment for transport damage and completeness
(see Package Contents).
NOTICE!
Do not operate the device when one of the following conditions applies:
• the device shows visible damage
• the device fails to perform the intended function
• prolonged storage at temperatures above +70 °C / +158 °F
• severe transport stresses
In this case, a professional routine test must be performed.
This test should be carried out at our factory.
A special lithium-ion battery (ZU 0925) suited to the battery compartment is avail-
able for the Portavo 904. Only this battery type can be charged directly from the
USB port.
Note: Not available for the Portavo 904 X (device variant for applications in hazard-
ous locations).
Precautions for application in hazardous locations
WARNING!
• Only open the battery compartment of the Portavo 904 X outside the
hazardous location.
• Never try to open the device. If a repair should be required, return the
device to our factory.
• Never use the USB port within the hazardous location.

14 Start-Up
WARNING!
When using the Portavo 904 X (device variant for applications in
hazardous locations) in a hazardous location, only the battery types
listed below may be used.
The batteries must be from the same manufacturer and of identical
type and capacity.
Never use new and used batteries together (see also Control Draw-
ing 209.009-110).
Batteries
for Application in Hazardous Locations
Batteries (4x each) Temp. class Ambient temperature range
Duracell MN1500 T4 -10 °C ≤ Ta ≤ +40 °C
Energizer E91 T3 -10 °C ≤ Ta ≤ +50 °C
Power One 4106 T3 -10 °C ≤ Ta ≤ +50 °C
Panasonic Pro Power LR6 T3 -10 °C ≤ Ta ≤ +50 °C
A battery icon in the display indicates the battery power level:
Icon fully lled Batteries at full capacity
Icon partially lled Battery capacity is sucient
Icon empty Battery capacity not sucient;
calibration is possible, no logging
Icon blinks Max. 10 operating hours remaining,
measurement is still possible
NOTICE! It is absolutely necessary to replace
the batteries.

15
Connecting a Sensor
The Portavo 904(X) PH provides several connections so that many types of sensors
can be used for measurement. Note that only one sensor may be connected to the
meter at a time.
The meter automatically recognizes a connected Memosens sensor and switches
accordingly. Memosens is signaled in the display.
Separate temperature probe
Note: Temperature measurement using a separate temperature probe is only possi-
ble when no Memosens sensor is connected.
After power-on, a separate temperature probe is automatically recognized.
When you want to replace the temperature probe, you must switch o the meter
and then switch it on again.
Connections
a - Micro USB port
b - M8, 4 pins for Memosens sensors
c - Temperature probe GND
d - Temperature probe
e - pH socket (DIN 19 262)
Start-Up
NOTICE!
Always make sure that a sensor is connected to the meter before starting measure-
ment.
Explanation: The analog pH input of the Portavo is an electrometer amplier with
an extremely high-impedance. When the sensor is not in contact with the medium
or not connected to the meter, electric charges on the input can generate arbitrary,
stable pH or mV values which will be shown in the display.
Memosens sensors have a cable coupling, which allows convenient replacement
of sensors while the cable remains connected to the meter. The connecting cable is
connected to socket b(M8, 4 pins for Memosens sensors).
WARNING! Explosion Hazard
NEVER use digital Memosens sensors without Ex approval in a hazardous
location! For these applications, you must use Memosens sensors with Ex approval.
These sensors, as well as the hazardous-area cables, are marked by an orange-red
ring.

16
Switching On the Meter
When you have connected the sensor, you can switch the meter on
by pressing the on/o or meas key.
When the meter is switched on with the on/o key, rst a self test is
performed and then the calibration data and settings are displayed
before the meter switches to measuring mode.
When the meter is switched on with the meas key, it immediately
switches to measuring mode.
Depending on the connected sensor and the specic measuring
task, several steps for conguration and calibration must be per-
formed as described on the following pages.
Start-Up
Battery
charging level
Memosens sensor
Temperature
detection
(sensor,
separate or
manual)
Icons
Important information about the state of the device:
DateLogger
active
Time
Error message
Sensor
condition
Process
variable

17
pH Conguration
Prior to measurement, a conguration should be performed to match
the connected sensor and the desired measurement performance.
Furthermore, you can select the suitable calibration method.
The following table gives you an overview. Factory settings are
shown in bold print.
This icon prompts you to select a menu item using the arrow keys –
the selection is conrmed by pressing set.
Conguring
Measurement
“Setup” display Select using arrow keys, conrm by pressing set.
Display 1 pH x.xx | pH x.xxx | mV
Display 2 OFF | date + time | date | time
CAL Timer OFF | 1 ... 99 days
CAL
CALIMATIC | Manual | DATA INPUT | (ISFET-Zero) |
CAL SOP (Opt.) | ORP OFFSET (for pH/ORP combo sensor) |
TEMP. OFFSET (Opt.) | FREE CAL
CAL POINTS 1 | 2 | 3 | 1-2-3 (for CALIMATIC, Manual, FREE CAL)
BUFFER SET
(CALIMATIC,
FREE CAL)
-01- Mettler-Toledo 2.00|4.01|7.00|9.21
-02- Knick CaliMat 2.00|4.00|7.00|9.00|12.00
-03- Ciba (94) 2.06|4.00|7.00|10.00
-04- NIST technical 1.68|4.00|7.00|10.01|12.46
-05- NIST standard 1.679|4.006|6.865|9.180
-06- HACH 4.01|7.00|10.01|12.00
-07- WTW techn. buers 2.00|4.01|7.00|10.00
-08- Hamilton 2.00|4.01|7.00|10.01|12.00
-09- Reagecon 2.00|4.00|7.00|9.00|12.00
-10- DIN 19267 1.09|4.65|6.79|9.23|12.75
-U1- loadable via Paraly SW 112 (User)
Auto OFF OFF/ 0.1h / 1h / 6h / 12h
Temp Unit °C / °F
Time Format 24h / 12h
Date Format dd.mm.yy | mm.dd.yy
TAN TEMP CAL (TAN input required, option; see page 37)
TAN SOP (TAN input required, option; see page 37)
Setup Code OFF (0000) | 0001 ... 9999 (with 001-SOP option only)
Cal. Code OFF (0000) | 0001 ... 9999 (with 001-SOP option only)
Default NO | YES (reset to factory settings)
Note: All data logger entries will be deleted.

18
Measurement
Calibration method, the number of calibration points and
the buer set have been selected in the conguration
menu.
Dip sensor in 1st/2nd/3rd buer solution.
It does not matter which buer solution is taken rst.
pH, mV value,
temperature
Depending on the number of calibration points, the
procedure described above for CAL 1/2/3 is repeated.
mV value blinks until calibration is completed, then successive display of:
CAL DATA
1/2/3 CAL POINTS
ZERO POINT
SLOPE
Then the meter switches to measuring mode.
CALIMATIC Calibration
(Calibration with automatic buer recognition)
The calibration method is selected in the conguration menu.
Calibration is required to adjust the sensor to the meter. It is indis‑
pensable for achieving comparable and reproducible measurement
results.
Calibrating
Note: To abort calibration, you can press meas at any time.
This will be conrmed by the“CAL ABORTED” display message.
Exception: When you have selected “CAL POINTS 1‑2‑3”and the rst calibration step
has been completed, the calibration process cannot be stopped any more.

19
Calibrating
Measurement
Use st to select the value for the zero point.
Use st to select the value for the slope.
The calibration data will be displayed successively:
Date and time
ZERO POINT
SLOPE
Then the meter switches to measuring mode.
DATA INPUT Calibration
(Calibration by entering known sensor values)
The calibration method is selected in the conguration menu.
Calibrating
Note: To abort calibration, you can press meas at any time.

20
Measurement
The number of calibration points has been
selected in the conguration menu.
pH display blinks Take the temperature‑corrected pH value from
the buer description and enter it using st.
mV display blinks
Depending on the number of calibration points,
the procedure described above for CAL 1/2/3 is
repeated.
mV value blinks until calibration is completed, then successive display of:
CAL DATA
1/2/3 CAL POINTS
ZERO POINT
SLOPE
Then the meter switches to measuring mode.
MANUAL Calibration
The calibration method is selected in the conguration menu.
Note: To abort calibration, you can press meas at any time. This will be conrmed
by the "CAL ABORTED” display message. Exception: When you have selected "CAL
POINTS 1‑2‑3" and the rst calibration step has been completed, the calibration
process cannot be stopped any more.
Calibrating