Teledyne Gasurveyor 700 User manual

User Manual
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Gasurveyor 700
IR gas detector with Natural Gas discrimination

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WARNING: ALL INDIVIDUALS WHO, HAVE OR WILL HAVE,
RESPONSIBILITY FOR USING, MAINTAINING, OR SERVICING THIS
PRODUCT, MUST READ THIS ENTIRE MANUAL CAREFULLY. FAILURE TO
USE THIS EQUIPMENT PROPERLY COULD RESULT IN SERIOUS INJURY
OR DEATH.
LEGAL STATEMENT
Teledyne, the Teledyne Logo, Gas Measurement Instruments, GMI, and Gasurveyor 700 are
registered and/or unregistered marks of Teledyne Gas Measurement Instruments Ltd, also referred
to as “the Company.”
All rights reserved. No part of this documentation may be reproduced in any form or by any means
or used to make any derivative work (such as translation, transformation, or adaptation) without
written permission from the Company.
Microsoft, Windows, Windows 2000, Windows Me, Windows XP, Windows NT, Windows Vista,
Windows 7, Windows 10, Internet Explorer and MS-DOS are either trademarks or registered
trademarks of Microsoft Corporation in the United States and other countries. Solaris and JAVA are
either trademarks or registered trademarks of Sun Microsystems, Inc. All other products or service
names are the property of their respective owners.
DESCRIPTION
This User Manual provides information for use only with the Gasurveyor 700 Portable Gas Monitor
(or “the monitor”).
LIABILITY
Every care has been taken in the preparation of this user guide, but the Company does not accept
any responsibility for errors or omissions and their consequences. Information in this user guide is
subject to change without notice. This user manual does not constitute a specification or basis for a
contract.
Piped natural gas has a range of compositions, and in some cases may be chemically similar to
non-piped gases present in the atmosphere. Therefore any Teledyne GMI products which include
a Pipeline Gas Test function is for indication and advisory purposes only and should not be relied
upon as the sole indicator for confirming the type of gas present in the environment. Teledyne GMI
shall not therefore be held liable for any direct costs or consequential costs, losses or expenses
incurred by the user whilst solely relying on a Pipeline Gas Test function in order to determine the
presence of piped natural gas.
MODIFICATION NOTICES
The Company aims to notify customers of relevant changes in the product operation and maintain
this user guide up to date. Due to continuous product improvement, there may be operational
differences between the latest product and this user guide.
This user guide is an important part of the monitor, and it should be referred to for the life of the
product.

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SOFTWARE
Any software supplied must only be used in this product and may not be copied without the written
permission of the Company. Reproduction or disassembly of such embodied programs or algorithms
is prohibited. Ownership of such software is not transferable, and the Company does not warrant
that the operation of the software will be error free or that the software will meet the customer’s
requirements.
DISPOSAL ADVICE
Dispose of the monitor carefully and with respect for the environment. If returned, the Company will
dispose of the monitor without charge.
AREAS OF USE
Exposure to certain chemicals can result in a loss of sensor sensitivity. Where such environments
are known or suspected it is recommended that more frequent response checks are carried out.
Chemical compounds that can cause loss of sensitivity includes Silicones, Lead, Halogens and
Sulphur.
Environmental factors may affect sensor readings. This includes changes in pressure, humidity and
temperature. Note that both pressure and humidity changes can also affect the amount of oxygen
present in the atmosphere.
Do not use the monitor in a potentially hazardous atmospheres containing greater than 21% oxygen.
WARNING: ANY RAPID UPSCALE READING, FOLLOWED BY
A DECLINING OR ERRATIC READING, MAY INDICATE A GAS
CONCENTRATION BEYOND THE UPPER SCALE LIMIT, WHICH MAY BE
HAZARDOUS.
SPECIAL CONDITIONS OF USE
The monitor is designed for use in harsh environments. The monitor is sealed to IP55 and, if not
subjected to misuse or malicious damage, will provide many years of reliable service.
The monitor may contain electrochemical sensors. Under conditions of prolonged storage, these
sensors should be removed. These sensors contain potentially corrosive liquid and care should be
taken when handling or disposing, particularly when a leak is suspected.
Only use permitted external probes specified in the product certification.
The equipment must not be subject to prolonged exposure to light when not in use.

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Table of Contents
1. About This Guide .......................................................................................................................8
1.1. Guide Conventions ................................................................................................................8
1.2. Safety ......................................................................................................................................8
1.2.1. Additional Safety Requirement - CSA Only......................................................................9
1.2.2. Certifications And Approvals.......................................................................................... 10
1.2.3. Batteries ............................................................................................................................ 10
1.2.4. Equipment Parameters ......................................................................................................11
2. Introduction ..............................................................................................................................12
2.1. Monitor Overview................................................................................................................12
2.2. Key Features..........................................................................................................................12
2.3. Monitor Ranges....................................................................................................................12
2.4. Modes of Operation............................................................................................................13
2.5. Monitor Construction ...........................................................................................................13
2.6. Display ..................................................................................................................................14
2.6.1. Soft Keys ............................................................................................................................14
2.6.2. Status Bar...........................................................................................................................15
3. Operation................................................................................................................................ 16
3.1. Operating Procedure .......................................................................................................... 16
3.2. Quick Configuration Display.............................................................................................. 16
3.3. Switching the Monitor ON / Warm-up Sequence .......................................................... 16
3.3.1. Monitor Identification .......................................................................................................17
3.3.2. Date & Time.......................................................................................................................17
3.3.3. Bump Due Date.................................................................................................................17
3.3.4. Calibration and Service Due Dates.................................................................................18
3.3.5. Soundness Test ..................................................................................................................19
3.3.6. Alarm Levels ..................................................................................................................... 20
3.3.7. Sensors Zero Check ..........................................................................................................21
3.4. Switching the Monitor OFF..................................................................................................21
4. Modes of Operation .............................................................................................................. 22
4.1. Gas Leak Outdoors / Indoors ........................................................................................... 23
4.1.1. Available Ranges............................................................................................................. 23
4.1.2. Features............................................................................................................................. 23
4.1.3. Display.............................................................................................................................. 23
4.1.4. Soft-keys Functions........................................................................................................... 24
4.1.5. Logging............................................................................................................................. 24
4.1.5. Barhole Testing ................................................................................................................. 25

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4.2. Confined Space Monitor (CSM) ....................................................................................... 27
4.2.1. Available Ranges............................................................................................................. 28
4.2.2. Features............................................................................................................................. 28
4.2.3. Display.............................................................................................................................. 28
4.2.4. Soft-keys Functions........................................................................................................... 28
4.2.5. Logging............................................................................................................................. 28
4.2.6. Gas Readings & Alarm Set-points Viewer ..................................................................... 29
4.3. Purge .................................................................................................................................... 29
4.3.1. Available Ranges............................................................................................................. 29
4.3.2. Features.............................................................................................................................30
4.3.3. Display..............................................................................................................................30
4.3.4. Soft-keys Functions........................................................................................................... 30
4.3.5. Logging..............................................................................................................................31
4.4. Search ...................................................................................................................................31
4.4.1. Available Ranges..............................................................................................................31
4.4.2. Features..............................................................................................................................31
4.4.3. Display.............................................................................................................................. 32
4.4.4. Soft-keys Functions........................................................................................................... 32
4.4.5. Logging............................................................................................................................. 33
4.5. Pipeline Gas Test (PGT)....................................................................................................... 33
5. Alarms...................................................................................................................................... 35
5.1. Instantaneous Gas Alarms.................................................................................................. 35
5.2. Time-averaged Toxic Gas Alarms .....................................................................................36
5.3. Ticker (Geiger) Gas Alarm.................................................................................................36
5.4. Available Gas Alarms.........................................................................................................36
5.5. Gas Alarms Examples.........................................................................................................36
5.6. Gas Alarm Options............................................................................................................. 37
5.6.1. Alarm Intensity.................................................................................................................. 37
5.6.2. Latching / Non Latching ................................................................................................. 38
5.6.3. Muting...............................................................................................................................38
5.7. Warnings & Fault Alarms ....................................................................................................38
5.7.1. Confidence Signal ........................................................................................................... 38
5.7.2. Battery Warning...............................................................................................................38
5.7.3. Over-range Alarm ........................................................................................................... 39
5.7.4. Zero Fault.......................................................................................................................... 39
5.7.5. Sample Fault.....................................................................................................................40
6. Operator Maintenance.......................................................................................................... 41
6.1. Replacing Alkaline Batteries............................................................................................... 41

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6.2. Recharging the Battery Pack............................................................................................... 42
6.2.1. Charging the Monitor ...................................................................................................... 43
6.2.2. Replacing / Charging the Battery Pack......................................................................... 44
6.3. Cleaning...............................................................................................................................45
6.4. Replacing the Filters ............................................................................................................45
6.4.1. Probe Handle Filter Replacement ...................................................................................46
6.4.2. Inlet Nozzle Filter Replacement......................................................................................46
6.5. Screen Contrast Adjustment................................................................................................ 47
7. Bump Test................................................................................................................................. 48
7.1. Manual Bump Test (LEL only)..............................................................................................48
7.2. Manual Bump Test (all ranges)...........................................................................................50
7.3. Automatic Bump Test ............................................................................................................51
8. Calibration .............................................................................................................................. 52
8.1. Calibration Validity ............................................................................................................. 52
8.2. Field Calibration.................................................................................................................. 52
8.3. Manual Calibration.............................................................................................................55
8.3. Automatic Calibration.........................................................................................................55
9. Accessories .............................................................................................................................56
9.1. Consumables .......................................................................................................................56
9.2. Accessories ..........................................................................................................................56
9.3. Software............................................................................................................................... 56
10. Monitor Specifications ........................................................................................................... 57
11 . Technical Support ...................................................................................................................59
Appendix A: Pipeline Gas Test (pre firmware v1.30) .......................................................................60

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1. About This Guide
This guide instructs gas detection personnel on the features and usage of the Gasurveyor 700 (or
“the monitor”). It also provides information on configuration, operation, maintenance, specifications
and trouble shooting. This user guide assumes the reader has a basic knowledge of gas detection
procedures.
1.1. Guide Conventions
The following visual elements are used throughout this guide:
WARNING: THIS ICON AND TEXT INDICATE A POTENTIALLY HAZARDOUS
SITUATION, WHICH, IF NOT AVOIDED, COULD RESULT IN DEATH OR
INJURY.
Caution: This icon and text indicate an action or situation, which, if not
avoided, could result in damage to the equipment.
Note: This icon and text designates information of special note to the operator.
1.2. Safety
• Read and understand this guide before operating the monitor.
• The monitor must be regularly serviced and calibrated by fully trained personnel in a safe
area.
• Only Teledyne GMI replacement parts should be used. Substitution of components may
impair intrinsic safety.
• If the monitor detects gas, follow your own organization’s procedures and operational
guidelines.
• Any right of claim relating to product liability or consequential damage to any third party
against Teledyne GMI is removed if warnings are not observed.
• This equipment is designed and manufactured to protect against other hazards as defined in
paragraph 1.2.7 of Annex II of the ATEX Directive 2014/34/EU.
• Batteries: Alkaline or Rechargeable batteries must be exchanged in a safe area and fitted
correctly before use. Never use damaged batteries or expose to extreme heat. See Section
6: Operator Maintenance for more details.
WARNING: TO PREVENT IGNITION OF FLAMMABLE OR COMBUSTIBLE
ATMOSPHERES, REMOVE BATTERIES BEFORE SERVICING.
WARNING: TO PREVENT IGNITION OF FLAMMABLE OR COMBUSTIBLE
ATMOSPHERES, READ, UNDERSTAND AND ADHERE TO THE
MANUFACTURER’S MAINTENANCE PROCEDURES.

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WARNING: TO REDUCE THE RISK OF IGNITION OF A FLAMMABLE OR
EXPLOSIVE ATMOSPHERE, BATTERIES MUST BE CHANGED ONLY IN A
LOCATION KNOWN TO BE NON-HAZARDOUS.
WARNING: TO REDUCE RISK OF EXPLOSION, DO NOT MIX OLD
BATTERIES WITH USED BATTERIES OR MIX BATTERIES FROM DIFFERENT
MANUFACTURERS.
WARNING: NEVER ATTEMPT TO RECHARGE NON-RECHARGEABLE CELLS.
Caution: Not for use in oxygen enriched atmospheres.
1.2.1 Additional Safety Requirements - CSA Only
CAUTION: Before each days usage, test on a known concentration of
methane, equivalent to 25 - 50% of full scale concentration. Accuracy
must be within 0 to +20% of actual. Accuracy may be corrected by
calibration. (Refer to Chapter: ‘CALIBRATION’).
ATTENTION: Avant chaque utilisation journalière, testez la réaction
de l’appareil en utilisant une concentration connue en méthane,
correspondant à 25-50% de la lecture à fond d’échelle. La précision
doit se situer entre 0 et +20% de la valeur réelle. La précision peut se
corriger en étalonnant l’appareil (voir Chapitre: CALIBRATION).
CAUTION: Any rapid up-scale readings followed by a declining or
erratic reading may indicate a gas concentration beyond the upper
scale limit, which may be hazardous.
ATTENTION: Toute lecture dépassant rapidement le maximum de
l’échelle et suivie par une diminution ou une lecture erronée, indique
une concentration de gaz supérieure à la valeur maximale de cette
échelle. Cette lecture n’est pas significative.
CAUTION: Substitution of components may impair intrinsic safety.
ATTENTION: le remplacement d’un composant peut porter atteinte à la
sécurité intrinsèque du produit.
CAUTION: Do not charge in a hazardous area. Um = 6.78V.
ATTENTION: Ne pas charger en zone dangereuse. Um = 6.78V.

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Note: CSA have only assessed the LEL combustible gas detection portion of this
monitor for performance.
Note: CSA a seulement évalué la partie LIE pour la mesure des performances en
détection de gaz inflammables.
Note: The monitor performs internal checking of sensor sensitivity, which during
calibration will prevent the sensor being calibrated if it has been contaminated or
reached its end of life.
1.2.2 Certification and Approvals
The monitor has the following approvals:
Mark
ATEX
II 2 G Ex db ia IIC T4 Gb -20oC ≤ Ta ≤ 50oC
* II 2 G Ex db ia IIB T3 Gb -20oC ≤ Ta ≤ 50oC
SIRA 15 ATEX2299X
IECEx
Ex db ia IIC T4 Gb -20oC ≤ Ta ≤ 50oC
* Ex db ia IIB T3 Gb -20oC ≤ Ta ≤ 50oC
IECEx SIR 15.0105X
CSA
Class I, Div.1 Groups A, B, C and D T4
Class I, Zone 1 AEx db ia IIC T4 Gb Ex db ia IIC T4 Gb
* Class I, Div.1 Groups C and D T3
* Class I, Zone 1 AEx db ia IIB T3 Gb Ex db ia IIB T3 Gb
China
Ex d ia IIC T4 Gb
Ex d ia IIB T3 Gb (when fitted with semiconductor PPM sensor).
GB 3836.1-2010
GB 3836.2-2010
GB 3836.4-2010
* The GS7xx series is certified for use with for Gas Group IIC, Temperature Classification T4 except
when the Semiconductor gas sensor is fitted. With a semiconductor sensor fitted either internally or
externally the GS7xx is certified for Gas Group IIB and Temperature Classification T3.
1.2.3 Batteries
The GS700 has 2 battery options:
• Alkaline.
• Lithium-Ion rechargeable pack
Note: See Section 6: Operator Maintenance for more details.

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Caution: Only use the following approved size ‘D’ (LR20) alkaline
batteries:
• ANSMANN: Industrial or X-Power
• DURACELL: Industrial or Procell
• PANASONIC: Evolta
CAUTION: Remove batteries if the monitor will be stored for longer
than 3 months.
1.2.4 Equipment Parameters
GS700 Instrument:
Um: 6.78V (Rechargeable Battery, part number - 49221)
Temperature Range: -20oC ≤ Ta ≤ 50oC
GS700 Charger:
Um: 250V
Uo: 6.78V
Temperature Range: -20oC ≤ Ta ≤ 44oC

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2. Introduction
2.1. Monitor Overview
The Gasurveyor 700 (GS700) is the first choice for all gas utility applications. Reliable measurements
are performed using innovative infrared sensing technology including instantaneous confirmation
that the gas sample is natural gas.
This lightweight, rugged instrument is easy to use thanks to an intuitive menu layout on a large
display.
2.2. Key Features
• Infrared Technology
• Natural gas discrimination
• GPS (optional)
• Bluetooth and IrDA communication
• Leak detection from PPM to Volume gas
• Flexible configuration (gas ranges & modes of operation)
• Compatible with the GDUnet – Teledyne GMI Auto Calibration System
2.3. Monitor Ranges
The following ranges are available in the GS700:
• 0-10,000 ppm Flammable
• 0-100% LEL Flammable
• 0-100% VOL Flammable
• 0-25% Oxygen (O2)
• 0-1000 ppm Carbon Monoxide (CO)
• 0-100 ppm Hydrogen Sulphide (H₂S)
Note: See Section 10: Monitor Specifications for more details.
Note: Your GS700 may not have all ranges fitted.

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2.4. Modes of Operation
Gas Leak Outdoors
(GLO)
Used by technicians to investigate outdoor odour or leak
complaints and to pinpoint leaks. This mode supports the optional
Barhole feature.
Gas Leak Indoors
(GLI) Similar to the GLO mode, but without Barhole testing.
Confined Space
Monitor (CSM)
Used for confined space pre-entry testing and for personal
monitoring in potentially hazardous areas.
Purge Used in gas and air purging applications.
Search Used to quickly find small leaks using a semiconductor sensor and
fast pump.
Note: Pipeline Gas Test is an optional feature. When configured, it can be active in ALL
modes of operation, except for CSM.
2.5. Monitor Construction
Figure 1: GS700 - Right View
Figure 2: GS700 - Left View
Harness Clip
Semiconductor
Probe Connection
(Optional)
Base Screw
Visual Alarm
(360° LED bar)
Gas Inlet Nozzle
(with dust filter)
Charging Contacts
(Rechargeable only)
Visual Alarm
(360° LED bar)
Harness Clip
Buzzer
Base Screw
Gas Exhaust

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Figure 3: GS700 - Top View
2.6. Display
The GS700 is a fully configurable gas monitor and menu structure or information displayed may
vary.
Figure 4: Example Display
Note: Figure 4 will be used throughout this user guide to illustrate the main display.
2.6.1 Soft Keys
The GS700 has 4 soft-keys performing different operations depending on mode and function.
Figure 5: Soft-keys
If no on-screen label is available, the soft-keys will be referred to as B1, B2, B3, and B4 as shown
in Figure 5: Soft-Keys.
Visual AlarmVisual Alarm
Soft Keys Display
Soft Key Options
Status Bar
Gas Readings /
Information Window #1
Gas Readings /
Information Window #2
B1
B2
B3
B4

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2.6.2 Status Bar
This area of the screen informs the user of the current operating mode and displays icons that
provide information about monitor status.
Figure 6: Status Bar
Status bar icons:
Battery
Current battery level.
Datalogging
Datalog is being undertaken (manual or automatic).
GPS
Flashing - the monitor is acquiring a GPS location.
Solid - the location of the monitor has been found.
Pump
The pump is operating at high speed.
Geiger - audible & visual alarms off
The audible and visual alarms are switched off when using the Geiger feature in
Search mode.
Geiger - audible alarm on / visual alarm off
The audible alarm is active when using the Geiger feature in Search mode.
Geiger - audible alarm off / visual alarm on
Visual alarms are active when using the Geiger feature in Search mode.
Geiger - audible & visual alarms on
The audible and visual alarms are active when using the Geiger feature in Search
mode.
Status Bar

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3. Operation
3.1. Operating Procedure
Check the following before use:
• The monitor is clean and in good condition.
• The inlet filter is clean and in good condition.
• The sample line and any other accessories to be used are in good condition.
• The batteries are in good condition, charged and fitted correctly.
• The battery indication provides sufficient capacity for the application.
• The monitor is within your calibration period.
• The soundness test is successful.
• All applicable ranges are operational.
• There are no fault indications.
3.2. Quick Configuration Display
This feature allows configuration information to be viewed without fully switching the monitor ON
(see Figure 7: Quick Configuration Display).
With the monitor OFF, press B2 for one second. The monitor will display:
• Flammable gas calibration.
• List of sensors fitted.
• Due dates (service, calibration, bump).
• Is GPS enabled.
Figure 7: Quick Configuration Display
3.3. Switching the Monitor ON / Warm-up Sequence
WARNING: ALWAYS SWITCH THE MONITOR ON IN FRESH AIR.
Press and hold B1 for one second to switch the monitor ON (refer to Figure 5: Soft-Keys). The
instrument logo appears (as shown in Figure 8: Splash Screen) and the monitor begins its warm-up
routine.

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Figure 8: Splash Screen
3.3.1 Monitor Identification
During warm-up, the serial number, software version and battery status information are listed, as
shown in Figure 9: Warm-up - Monitor ID.
Figure 9: Warm-up - Monitor ID
3.3.2 Date & Time
The time and date are displayed on top of the screen as shown in Figure 10: Warm-up - Due Dates.
Verify they are correct, as they are used with datalogging.
Figure 10: Warm-up - Due Dates
3.3.3 Bump Due Date
Bump Due date is displayed below the Time & Date as shown in Figure 10: Warm-up - Due Dates.
The interval can be set from 1 to 30 days.
This feature can be configured to operate in four ways:
1. Bump Due disabled - no date is displayed. The monitor does not require a valid Bump Test
to operate.
2. Bump Due enabled - if overdue, monitor is switched off.
3. Bump Due enabled - if overdue, the monitor warm-up continues automatically.

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4. Bump Due enabled - if overdue, user acknowledge is required. As shown in Figure 11:
Warm-up - Bump Overdue.
If bump is due, the user must either:
• Press Continue for monitor warm-up to continue.
• Press Switch Off to switch OFF the monitor.
Figure 11: Warm-up - Bump Overdue
3.3.4 Calibration and Service Due Dates
Calibration and Service Due dates are displayed below the Bump Due date as shown in Figure 10:
Warm-up - Due Dates.
Calibration Due date can be set from 1 to 400 days and Service Due date can be set from 1 to
36 months.
The Calibration Due date is automatically updated when all ranges of the monitor are successfully
calibrated.
The monitor has five options to alert the user when calibration or service is overdue:
1. Calibration / Service Due disabled - no date is displayed. The monitor does not require a
valid calibration or service to operate.
2. Calibration / Service Due enabled - if overdue, monitor is switched off.
3. Calibration / Service Due enabled - if overdue, the monitor warm-up continues automatically.
4. Calibration / Service Due enabled - if overdue, user acknowledge is required. As shown in
Figure 12: Warm-up - Calibration Overdue.
If calibration or service is due, the user must either:
• Press Continue for monitor warm-up to continue.
• Press Switch Off to switch OFF the monitor.
Figure 12: Warm-up - Calibration Overdue

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5. Calibration / Service Due enabled - if overdue, user can extend the due date by up to 30
days.
If calibration or service is within the “extended period”, the user must still acknowledge that
calibration has expired as shown in Figure 12: Warm-up - Calibration Overdue.
If the extended period has expired, the only option will be to switch the monitor OFF. As
shown in Figure 13: Warm-up - Calibration Overdue (switch off).
Figure 13: Warm-up - Calibration Overdue (switch off)
3.3.5 Soundness Test
A soundness test verifies the monitor and probe are not leaking.
Note: Soundness Test is an optional feature that can be requested during the monitor
procurement. If enabled, the check can be set to operate once a day or with each
power-up.
When the Soundness Test screen is displayed (as shown in Figure 14: Soundness Test), block the gas
inlet (sample path) for 5 seconds.
Figure 14: Soundness Test
If the monitor and probe are not leaking the test will pass (as shown in Figure 15: Soundness Test
Pass). Unblock the gas inlet to continue.
Figure 15: Soundness Test Pass
If a leak is detected in the monitor or probe, the soundness test will fail (as shown in Figure 16:
Soundness Test Fail). Once the leak been rectified, press Retry to re-test.

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Figure 16: Soundness Test Fail
3.3.6 Alarm Levels
After the Soundness Test is successfully completed, the monitor will report the alarm set-points for
each range (e.g. LEL range shown in Figure 17: Warm-up - Alarm set-points (LEL)).
Figure 17: Warm-up - Alarm set-points (LEL)
CAUTION: It is the responsibility of the user to ensure that the alarm set-
points are appropriate for the safe operation and legal requirements of
the country / industry in which the instrument is being used.
Note: Alarm set-points are configured during the monitor procurement.
3.3.7 Sensors Zero Check
At the end of warm-up, each sensor is zeroed, as shown in Figure 18: Warm-up - Sensor check.
Figure 18: Warm-up - Sensor check
A successful zero check results in a ‘tick’ symbol against all the monitor’s sensors (as shown in
Figure 19: Warm-up - Successful sensor check).