Viasensor G200 User manual

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800.624.2026
734.995.2547
WWW.QEDENV.COM
2355 Bishop Circle West Dexter, MI 48130,USA
QED Environmental Systems Inc.
G200 Analyzer Range
Operating Manual
G200 N20 0-1,000ppm
G210 N20 0-100%
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OMG200N1.24 G200 Analyzer Range
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Table of Contents
1.0 MANUAL GUIDELINES.......................................................................................5
1.1 Document History .............................................................................................5
1.2 Safety Related Information ................................................................................5
1.3 Notes ..............................................................................................................5
2.0 INTRODUCTION................................................................................................6
2.1 The G200 Analyzer............................................................................................6
2.2 The G210 Analyzer............................................................................................7
2.3 Instrument Components - Standard Product.........................................................8
3.0 G200 RANGE OPTIONAL PRODUCTS AND ACCESSORIES...................................9
3.1 Optional Products ............................................................................................. 9
3.1.1 Analyzer Data Manager (Optional).................................................................9
3.1.1.1 Event Log ............................................................................................. 9
3.1.2 Carbon Monoxide Reading (Optional - G210 ONLY).......................................... 9
3.1.3 Oxygen Reading (Optional – G210 ONLY) ....................................................... 9
3.1.4 Pressure Regulator Kit (G210 ONLY).............................................................. 9
3.1.5 Soda Lime CO2Filter.................................................................................. 10
3.2 Instrument Accessory Products......................................................................... 11
4.0 INSTRUMENT FEATURES.................................................................................12
4.1 Physical Characteristics of the Instrument Panel ................................................. 12
4.2 Panel Key Functions ........................................................................................ 13
4.3 Instrument Connection Points........................................................................... 14
5.0 GENERAL OPERATIONAL INSTRUCTIONS ..........................................................15
5.1 Switching the Instrument On............................................................................ 15
5.2 Switching the Instrument Off ........................................................................... 15
5.3 Entering Data................................................................................................. 15
5.4 Instrument Status Icons .................................................................................. 16
5.5 Changing Between Parameters ......................................................................... 17
5.6 Memory......................................................................................................... 17
5.7 Storage ......................................................................................................... 17
5.8 Warning and Error Codes................................................................................. 17
5.9 Battery/Charging ............................................................................................ 17
5.10 Instrument Main Read Screen........................................................................ 18
5.10.1 Alternative Reading Methods.................................................................... 18
5.11 Enter ID Codes ............................................................................................ 19
5.12 Main Menu .................................................................................................. 20
5.12.1 Information ........................................................................................... 20
5.12.2 Utilities ................................................................................................. 21
5.12.2.1 Time & Date ...................................................................................... 21
5.12.2.2 Contrast............................................................................................ 22
5.12.2.3 Alarms .............................................................................................. 22
5.12.2.4 Settings ............................................................................................ 23
5.12.2.5 Flow Fail............................................................................................ 24
5.12.2.6 Logging............................................................................................. 26
5.12.2.7 Reset................................................................................................ 26
5.12.3 Calibration............................................................................................. 27
5.12.4 View Data.............................................................................................. 27
5.12.4.1 Delete All .......................................................................................... 28
5.12.4.2 Filter................................................................................................. 28
5.12.4.3 Goto ................................................................................................. 29
5.12.5 Diagnostics............................................................................................ 29
5.12.6 Monitor (G200 ONLY).............................................................................. 29

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6.0 TAKING READINGS .........................................................................................31
6.1 Preliminary Checks - Best Practice .................................................................... 31
6.2 G200 Gas Measurement Process – Best Practice ................................................. 32
6.3 G210 Gas Measurement Process – Best Practice ................................................. 33
7.0 CALIBRATION.................................................................................................34
7.1 User Calibration.............................................................................................. 34
7.2 Calibration Gases............................................................................................ 34
7.3 Calibration Set-up........................................................................................... 34
7.4 Calibration Equipment ..................................................................................... 35
7.5 Calibration Method.......................................................................................... 35
7.5.1 Zero Calibration ........................................................................................ 36
7.5.2 Span Channels.......................................................................................... 36
7.5.3 Reset Factory Settings ............................................................................... 37
7.6 Last Field Calibration....................................................................................... 37
7.7 Calibration Record .......................................................................................... 37
7.8 Recommended Gases for Calibration .................................................................... 38
7.9 G200 Range Calibration – Best Practice ................................................................ 39
8.0 PROBLEM SOLVING.........................................................................................40
8.1 Warnings and Errors ....................................................................................... 40
8.2 Battery No Charge Reset ................................................................................. 40
8.3 Self-test Warning Messages ............................................................................. 41
8.4 User Calibration Trouble Shooting..................................................................... 44
8.5 Cross-Gas Effects............................................................................................ 45
8.6 Hardware Reset.............................................................................................. 46
9.0 SERVICE .........................................................................................................47
10.0 WARRANTY POLICY .....................................................................................48
11.0 TECHNICAL SPECIFICATION ........................................................................49
11.1 G200.......................................................................................................... 49
11.2 G210.......................................................................................................... 51
12.0 EVENT LOG...................................................................................................53
13.0 CERTIFICATE OF CALIBRATION ...................................................................55
14.0 IMPORTANT NOTICE TO ALL CUSTOMERS ....................................................56
15.0 EC DECLARATION OF CONFORMITY .............................................................57
16.0GLOSSARY OF TERMS...................................................................................58
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1.0 Manual Guidelines
1.1 Document History
Issued
By
Issue
Date
Change
Control ID
Issue
No.
Reason for
Change
LA
Nov 2009
OMG200UK
1.21
New Instructions.
LA
Feb 2010
OMG200N
1.22
New Instructions. Inclusion
of the G210 model.
LA
Mar 2010
OMG200N
1.23
New Instructions.
1.2 Safety Related Information
Information in this manual that may affect the safety of users and others is preceded by the
following symbol:
Warning
Failure to follow this information may result in physical injury which in some cases could be
fatal.
1.3 Notes
Important/useful information and instructions are shown clearly throughout the manual in a
note format.
For example:
!Note: For further information, please contact Sales at VIASENSOR Toll Free
(855) VIASENSOR, + 1 [phone] or email [e-mail].

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2.0 Introduction
This manual explains how to use the instrument model types listed below:
•
!G200 N20 0-1,000ppm (plus 10,000 range low resolution)
•
!G210 N20 0-100%+CO2 0-2,000ppm+O2 0-100%+CO 0-500ppm
The G200 analyzer is specifically designed to safety check background levels of N2O (0-
1,000ppm) in medical applications. The G210 analyzer is specifically designed for highly
accurate measurement and verification of the quality of piped medical gases in hospitals. Both
units have been developed to incorporate the latest technology and specification requirements,
which provide the user with a fast, simple-to-use and accurate piece of monitoring
instrumentation.
!Note: These instruments are sensitive pieces of scientific equipment, and should be treated
as such.
2.1 The G200 Analyzer
The G200 analyzer is specifically designed to safety check background zone levels of N2O
(0-1,000ppm) in medical applications. This instrument measures the long term exposure to
N2O gas along with the TWA (time weighted average), leak detection for N2O storage. It is
a dual purpose background analyzer or personal analyzer and is highly portable.
The G200 analyzer has the following features:
•
!O2, N20 0-1,000ppm
•
!Data storage for 1,000 readings and download
•
!EH40 occupational exposure limits calculated (TWA) – applicable to the UK only
•
!Leak detection
•
!User settable alarms
•
!Data download for graphing and reporting
Inlet
Soda Lime
CO2Filter
Current
Value
TWA Value

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•
!Four modes of operation: personal safety - TWA 8 hour read back; room monitor –
background levels, user defined times; leak mode – 1-10,000ppm fast response; and
standard measuring.
2.2 The G210 Analyzer
The G210 analyzer is specifically designed for highly accurate measurement and verification
of the quality of piped N2O and O2gases in hospitals. This instrument enables up to four
gases to be measured, easy user calibration, quick verification of gas quality, user
maintained site and sample point IDs for monitoring as well as identification of
contaminants CO and CO2.
The analyzer has the following features:
•
!N2O 0-100%
•
!O2 0-100% (optional)
•
!CO 0-500ppm (optional)
•
!CO20-2,000ppm
•
!Data storage with site and ID input
•
!Data download for graphing and reporting

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2.3 Instrument Components - Standard Product
G200 Model
Reference:
A
Analyzer
B
Mains Battery Charger
C
Mains Battery Charger Adaptors:
Europe
US
Australia
D
Soda Lime CO2Filter (G200 Only)
E
Operating Manual

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3.0 G200 Range Optional Products and Accessories
3.1 Optional Products
The G200 analyzer range has a number of optional products for purchase which enhance
the usability and enable further analysis of data and reading information.
!Note: For further information, please contact Sales at VIASENSOR Toll Free
(855) VIASENSOR, + 1 [phone] or email [e-mail].
3.1.1 Analyzer Data Manager (Optional)
Analyzer Data Manager software application enables the operator to maximize the
operation of the analyzer by providing the ability to:
•
!Obtain instrument status.
•
!View the instrument readings and event log data.
•
!Download and store readings for further analysis.
•
!Graph downloaded instrument readings.
•
!View, import and export the instrument configuration.
•
!Update the instrument’s firmware.
•
!Copy data from the G200 Client into other packages such as MS Excel.
•
!Email data directly from the application.
•
!Configure remote access to a central database.
•
!Print graph and tabular data.
3.1.1.1 Event Log
The G200 range of instruments incorporates the facility to log significant events via the
‘Event Log’. This can be used as an aid to monitoring the use of the instrument. It can also
be used as a diagnostic tool if there is a problem with the instrument.
The event log can only be viewed via the optional Analyzer Data Manager software. It
cannot be viewed on the analyzer screen. Applicable events are stored in the event log
automatically. No user intervention is required.
The event log can hold approximately 270 events. If the log becomes full then it begins to
overwrite the older events. This can be identified by the index field which starts from event
number 1. The log is cleared when the instrument is reset.
!!Note: Please refer to section ‘12.0 Event Log’ of this operating manual for further
information.
3.1.2 Carbon Monoxide Reading (Optional - G210 ONLY)
The G210 instrument has the optional facility to use an internal CO cell (specified at the
time of manufacture). This allows the instrument to read and display carbon monoxide
readings along with N2O.
3.1.3 Oxygen Reading (Optional – G210 ONLY)
The G210 instrument has the optional facility to use an internal oxygen cell (specified at
the time of manufacture). This allows the instrument to read and display oxygen readings
along with N2O, CO2, CO.
3.1.4 Pressure Regulator Kit (G210 ONLY)
A pressure regulator kit must be used when taking gas readings to restrict the flow into
the instrument when using the G210 analyzer. When sampling piped medical gases the

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pressure of the gas needs to be reduced before it is passed to the instrument. This
reduces the pressure to 40.15” W.C. suitable for the instrument. It is recommended that
the operator uses the pressure regulator kit supplied by VIASENSOR.
Warning
Do NOT use the instrument at full piped pressure (maximum
pressure 120.44” W.C.).
3.1.5 Soda Lime CO2Filter
The G200 instrument must only be used with a soda lime CO2 filter attached. The filter
removes CO2if present when a reading is taken.
This filter should always be fitted when using a G200 instrument as any CO2will cross-
contaminate the N2O reading. For further information please refer to section ‘8.5 – Cross
Gas Effects’.
The life of the filter will vary depending on usage. The crystals change color from pale
green-blue to white-grey. The filter element should be discarded when a significant
percentage of the crystals start to turn a white-grey color see below:-
Assemble Filter and Connect to Instrument as Shown
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
New Filter (Pale Green-Blue)
Used Filter (White-Grey)
The filters are supplied in a sealed storage bag to
improve their shelf life. The parts supplied should be
assembled as per the diagram shown. Please note the
sample filter is still in place.
!Note: A soda lime CO2filter can also be used to
zero other G Range instruments.

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3.2 Instrument Accessory Products
Optional accessory and replacement parts may be purchased for the G200 range from
VIASENSOR direct. Please refer to the website www.viasensor.com for further information.
Ref
Description
Mfr Order
Code
A
USB Lead
USBLEAD2
B
Spare Sample Filters (pack of 5)
068296/S
C
Sample Tube Kit
G1.6
D
Hard Carry Case
050227
E
Spare Calibration Gas (Various gas options available)
CDA7.6
F
Mains Charger including Worldwide Adaptors
073024
G
Soft Carry Case
G1.11
H
Soda Lime Filter Kit
G1.10
I
Analyzer Data Manager Software
G1.4
J
Pressure Regulator Kit
G1.16
K
Regulator and Tubing for Calibration Gas
G1.1

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4.0 Instrument Features
4.1 Physical Characteristics of the Instrument Panel
Front View: Reference:
Back View:
A
Main Read Screen
B
Soft-Keys
C
On/Off Key
D
Pump Key
E
Key 4 – Scroll Left
F
Key 8 – Scroll Down
G
Menu Key
H
Enter Key
I
Key 2 – Scroll Up
J
Key 6 – Scroll Right
!
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Reference:
L
Serial Number
M
Instrument Stand
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4.2 Panel Key Functions
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Front Panel:
Back Panel:
L
Serial Number
Unique identification for the instrument.
Verification of the serial number will be required if
Technical Support assistance is needed.
M
Instrument Stand
Instrument stand.
Key
Description
Function
A
Main Read Screen
Where gas readings are displayed.
B
Soft-Keys
The function of the three ‘soft-keys’ on the front of
the instrument panel is determined by menu
options taken. Functions vary dependant upon
analyzer model and from screen to screen.
C
On/Off Key
Press the ‘On/Off’ key briefly to switch the
instrument on and off.
D
Pump Key
Press the ‘Pump’ key to start or stop the pump.
E
Scroll Left Key
Also ‘Key 4’. Enables the operator to scroll left to
display more information.
F
Scroll Down Key
Also ‘Key 8’. Enables the operator to scroll down
to display more information.
G
Menu Key
Press the ‘Menu’ key to go to the ‘Main’ menu.
Enables the operator to preset values and settings.
Select options from the ‘Main’ menu to also view
data and readings stored or held.
H
Enter Key
The ‘Enter’ key accepts/confirms choices made by
the operator to various functions and operations.
Also required to confirm numeric data entry.
I
Scroll Up Key
Also ‘Key 2’. Press scroll up to view further
information on the instrument read screen.
J
Scroll Right Key
Also ‘Key 6’. Press scroll right to view further
information on the instrument read screen.

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4.3 Instrument Connection Points
Top View: Side View:
A
Top View:
Gas Inlet
Gas inlet point used to attach the sample
tube and sample filter in order to take the
gas reading.
B
Gas Outlet
Gas outlet port used to exhaust the gas.
C
Side View:
USB Cable Attachment Point
Used to connect the analyzer to a PC via a
USB cable on order to download data.
D
Mains Battery Charger Point
Used to attach the mains charger to the
analyzer for charging.
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5V ±0.5V(max 1000mA)
+- 5V ±0.5V(max 1000mA) +- +-
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5.0 General Operational Instructions
5.1 Switching the Instrument On
1)!To switch on the instrument, press the ‘On/Off’ key briefly. There will be a short beep
and a slight pause followed by the VIASENSOR logo.
2)!The power on self-test will commence.
3)!Assuming there are no warnings to display the instrument will continue to the ‘Main
Read Screen’.
5.2 Switching the Instrument Off
1)!Purge with fresh air. Run the pump for approximately 30 seconds or until the readings
have returned to normal levels.
!!Note: Before the instrument is switched off a clean air purge should be performed.
This ensures that the instrument is free from gas and ready for the next
measurement. This final purge is especially important for the oxygen sensor
as it may degrade if stored when contaminated with gas.
2)!To switch off the instrument, press the ‘On/Off’ key briefly.
!Note: If the ‘Auto Off’ utilities setting is set to ‘Yes’, the analyzer will switch off
automatically after ten minutes if not in use.
5.3 Entering Data
During normal operation the user may be prompted to enter data or information via the
keypad, i.e. entering an ID code or setting an alarm level.
When entering data into the instrument all fields are fixed format and are populated from
the right.
Numeric Data:
To enter a new time 09:25:00 the user would type in 092500 using the numeric keypad in
the following sequence:-
* __:__:_0
* __:__:09
* __:_0:92
* __:09:25
* _0:92:50
* 09:25:00
Press the ‘Enter’ key to confirm/accept data keyed.
Any mistakes can be corrected using the soft-key ‘Delete’ which will delete the last digit
typed. Alternatively, the sequence can be retyped before the ‘Enter’ key is pressed and the
existing numbers will be pushed off the screen.
Alpha-numeric Data:
When entering site IDs, alpha-numeric codes may be specified. To enter characters select
either ‘1-Site’ or ‘2-ID’ followed by the ‘Menu’ key and the following screen is displayed:

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Enter Site
The operator can choose upper and lowercase characters. Press the ‘Menu’ key again to
choose lowercase characters. Use the numeric keypad on the instrument to select the
appropriate letter, i.e. to select A ‘Key 2’, to select B ‘Key 2’ twice (just like on a mobile
phone).
!!Note: The instrument will not allow invalid data to be entered; this should be deleted
and re-entered.
5.4 Instrument Status Icons
The following icons may be displayed on the instrument read screens:
Icon
Description
Battery charge state
(flashing)
< 1 hour remaining (backlight flashes when power low)
(flashing)
Battery charging
Charged
Pump running
(flashing)
Pump stalled (Backlight turns red)
Alarm set
(flashing)
Alarm active (Backlight turns red)
USB connected to PC (flickers when transferring data)
Logging mode active (flashes when memory nearly full)
Temperature probe(s) connected
Humidity probe connected
(flashing)
Service due (every 12 months)
Service overdue
Fault/repair
Waiting
!

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!Note: A red backlight is displayed if the pump is stalled or the alarm is activated. For
further information, please refer to section ‘5.12.2.3 Alarms’ or section ‘5.12.2.5
Flow Fail’.
5.5 Changing Between Parameters
By default, the instrument displays the ‘Main Read Screen’ (for gas measurement). The
instrument will return to this screen after power on or when returning from the menus. The
‘Scroll’ keys can be used to switch to another measurement screen. Continue to press the
‘Scroll’ keys to return to the ‘Main Read Screen’.
5.6 Memory
The memory should not be used as a permanent storage medium and any important data
should be transferred to a more permanent storage medium as soon as possible. The
instrument should not be stored for prolonged periods with valuable data in its memory.
5.7 Storage
When not in use the instrument should be kept in a clean, dry and warm environment, such
as an office. It should be stored flat with the stand folded away which helps prolong the life
of the O2cell.
!Note: Fully charge the instrument before use if instrument has been stored for six
months or more.
5.8 Warning and Error Codes
When switched on the instrument will perform a predetermined self-test sequence taking
approximately ten seconds. During this time many of the instrument’s working parameters
and settings are checked. If any operational parameters are out of specification or if the
pre-programmed recommended calibration/service date has passed, errors or warnings may
be displayed.
!Note: For further information please refer to section ‘8.0 Problem Solving’.
5.9 Battery/Charging
The battery used in the instrument is a 2 Ah Lithium-Ion cell. The instrument must be
charged using the power supply supplied with your instrument. The power supply supplied
is intended for indoor use only. Please ensure adequate ventilation while charging.
!Note: The instrument can also be charged via the USB connector.
When plugged into the power supply the instrument will power on and display charging.
When complete the display will change to show that the instrument is charged. To switch
the instrument ON while charging or charged is displayed the operator will need to switch
the instrument off and then on again.
Instrument:
Power Supply:
!Note: A full charge will take approximately 3 hours. Typically, a fully charged battery
!
Input 100 – 240V ~ 60/50 Hz 120mA
Output 5V 1000mA 5VA
Input 100 – 240V ~ 60/50 Hz 120mA
Output 5V 1000mA 5VAOutput 5V 1000mA 5VA
!
Input 5VDC ±0.5V(max 1000mA)

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will last 8-10 hours.
When the instrument is already powered on, the operation is slightly different as the battery
icon changes to a flashing plug symbol. This will stop flashing when the charge is complete.
5.10 Instrument Main Read Screen
After the analyzer has been switched on and the warm-up self-tests completed
(Approximately 45 minutes) the analyzer will display the following screen.
Main Read Screen
Soft-Keys:
Peak - Enables the operator to display the peak reading.
Store - Enables the operator to store the reading for viewing/download later.
Hold - Enables the operator to hold the current reading being taken.
5.10.1 Alternative Reading Methods
The G210 has three reading types or methods which each require slightly different
operating procedures:
•
!Peak reading
•
!Store reading
•
!Hold reading
Peak Reading:
The operator can toggle the reading mode between normal (current) and peak readings.
While in peak reading mode the instrument will only display peak values for each of the
channels. These values can then be stored by pressing the ‘Store’ key or automatically at
the appropriate logging interval (if logging is enabled).
The peak value is reset after a reading is stored or by exiting the peak mode using the
appropriate soft-key. The current mode of operation can be identified by the status of the
soft-key, either ‘Normal’ or ‘Inverse’, where inverse indicates peak mode is active.
Store Reading:
The ‘Store’ reading option allows the operator to store the current reading. Upon selecting
this option the operator is then prompted to enter or select a ‘Site ID’ and ‘Sample Point
ID’ to identify the reading. Select the ‘Accept’ button to confirm the ID choices. For
further information please refer to section ‘5.11 Enter ID Codes’.
Hold Reading:
!

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The ‘Hold’ reading option allows the operator to freeze the currently displayed reading.
This allows it to be manually recorded or moved away from the sample point. Once
activated, press the soft-key ‘Hold’ and the readings are fixed until the ‘Hold’ key is
pressed again or the reading is stored.
The current mode of operation can be identified by the status of the soft-key which is
inversed while in the hold phase.
Hold Reading
Logged Reading:
Logged readings need to be configured and initiated via the ‘Utilities’ menu by pressing
‘Key 6 - Logging’. During configuration the user will be asked to supply an ID, reading
interval and pump run-time.
These parameters are used to control the reading frequency in logging mode. Once
logging mode is activated the instrument will automatically record a reading at every
interval until stopped by the operator or the memory becomes full. Logging is also
suspended temporarily while the user is accessing the menu options.
While the logging mode is active both the ‘Pump’ and ‘Store’ key will be deactivated; only
logged readings can be stored.
5.11 Enter ID Codes
ID codes are either created at the time of selection on the analyzer or created using the
Analyzer Data Manager software and uploaded to the instrument for selection prior to
readings being taken.
The ‘Site’ (top level ID) and ‘ID’ (second level ID) fields refer to the identifier that the
operator gives to a reading set before it is stored. The G200 and G210 allows the operator
to enter up to 16 alpha-numeric characters which are split into two parts (to help manage
the data) called ‘Site’ and ‘ID’ by default. These are entered as two sets of eight alpha-
numeric identifiers by the operator (i.e. typed in). For example, the first part called ‘Site’
can be used to store the name of the building i.e. ‘Warwick’ and the second part called ‘ID’
could be used for location or room where the reading was taken, i.e. ‘A&E1’.
It is possible using Analyzer Data Manager to change the name of these fields as displayed
on the instrument from ‘Site’ and ‘ID’ to something else up to seven characters, i.e. ‘ward’
and ‘bed’, depending on the application or typical mode of operation.
!

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Enter Site ID
Soft-Keys:
Delete - Enables the operator to backspace delete digits keyed in the ‘Enter Site’ field.
Find - Enables the operator to search and find pre-stored IDs.
Exit - Enables the operator to exit the ‘Enter Site ID’ screen and return to the ‘Main
Read Screen’.
5.12 Main Menu
The ‘Main Menu’ enables the operator to select options to set up specific parameters and
perform operational tasks prior to sample readings being taken or to view data and
information stored in the instrument.
!Note: Unless otherwise stated the functions and menus are the same for both the G200
and G210 instrument.
1)!Press the ‘Menu’ key on the front of the instrument panel and the following screen is
displayed:
Main Menu
2)!Press the soft-key ‘Exit’ to exit the ‘Main’ menu.
5.12.1 Information
The ‘Information’ option enables the operator to display information such as instrument
type, serial number, current software version, service due date and the dates of the last
factory and user calibrations.
1)!From the ‘Main Read Screen’ press the ‘Menu’ key on the instrument panel.
2)!Press ‘Key 1’ to display general information about the instrument.
!