GMI 49391 User Manual Download Page 7

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Modes of Operation ............................................................................ 16

Gas Leak Outdoors (GLO) ............................................................................................... 17

Barhole Testing ................................................................................................................18

Confi ned Space Monitoring (CSM) ..................................................................................20

Purge ...............................................................................................................................22

Search ..............................................................................................................................22

Pipeline Gas Test .............................................................................................................23

Alarms ................................................................................................. 24

Alarm Acknowledge .........................................................................................................24

Gas Alarm Types ..............................................................................................................25

Alarm Mute ......................................................................................................................27

Confi dence Signal ...........................................................................................................27

Fault Alarm Types .............................................................................................................28

Battery / Charging ............................................................................... 30

Replacing Alkaline Batteries .............................................................................................30

Recharging the Battery Pack ............................................................................................32

Replacing the Battery Pack ..............................................................................................35

Maintenance ........................................................................................ 36

Cleaning ...........................................................................................................................36

Probe Handle Filter Replacement ....................................................................................36

Replacing the Dust Filter .................................................................................................37

Calibration ........................................................................................... 38

Automatic Calibration ......................................................................................................38

Manual Calibration ...........................................................................................................38

Calibration Validity ............................................................................................................38

Accessories / Spares ........................................................................... 39

Accessories .....................................................................................................................39

Common Spares ..............................................................................................................40

Summary of Contents for 49391

Page 1: ...User Guide Gasurveyor 700 Gas Measurement Instruments Ltd...

Page 2: ...ght of Gas Measurement Instruments Ltd GMI and the information contained within is for use only with Gasurveyor 700 instruments Reproduction in whole or part without written permission of GMI is prohi...

Page 3: ...xygen 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 Chemi...

Page 4: ...99X IECEx Ex db ia IIC T4 Gb 20o C Ta 50o C Ex db ia IIB T3 Gb 20o C Ta 50o C 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 D...

Page 5: ...ion ou une lecture erron e indique une concentration de gaz sup rieure la valeur maximale de cette chelle Cette lecture n est pas significative CAUTION Substitution of components may impair intrinsic...

Page 6: ...age Handling And Transit 3 Special Conditions Of Use 3 Equipment Parameters 4 Certi cation 4 Additional Safety Details CSA Only 5 Getting Started 9 Overview 9 Key Features 9 Display 10 Soft Keys 10 St...

Page 7: ...m Mute 27 Confidence Signal 27 Fault Alarm Types 28 Battery Charging 30 Replacing Alkaline Batteries 30 Recharging the Battery Pack 32 Replacing the Battery Pack 35 Maintenance 36 Cleaning 36 Probe Ha...

Page 8: ...strument Performance 41 Instrument Specification 42 Alarm Set points 43 Soft Key Button Glossary 44 Appendix A 45 Field Calibration Optional 45 Warranty 47 Liability 47 Customer Support 47 Disposal 47...

Page 9: ...on 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 Key Features Gas Exhaust Semiconductor Probe Connection Op...

Page 10: ...dings Information Window 1 Gas Readings Information Window 2 i The above display will be used throughout this user guide as the example main display Soft Keys The GS700 has 4 soft keys performing diff...

Page 11: ...larms are present when using the Geiger feature Geiger audible visual alarm on The audible and visual alarms are present when using the Geiger feature GPS The location of the instrument has been found...

Page 12: ...harged or replaced in a safe area i For further information see Battery Charging Battery Level Battery level is displayed during GS700 warm up During operation the battery icon shows the battery level...

Page 13: ...ough a warm up sequence Always switch the instrument on in fresh air Warm up Sequence i Typical warm up sequence 1 GMI logo and instrument type Progress Bar increases during warm up 60s 2 Instrument T...

Page 14: ...GS700 USER GUIDE 14 5 Sensor zero check 6 Sensors are zeroed correctly 7 Typical operating display Switch Off Press and hold B1 for 3 seconds i To abort switch off release B1...

Page 15: ...e gas inlet sample path The test will last for 5 seconds If the instrument and probe are not leaking the soundness test will pass Unblock the gas inlet sample path to continue If a leak is detected in...

Page 16: ...ed Space Monitor CSM Purge Search i Pipeline Gas Test is an optional feature when configured can be active in ALL modes of operation except for CSM Press B4 to display additional features Pressing B4...

Page 17: ...gas ranges Barhole testing Manual datalogging Sensor zeroing i Gas Leak Indoors GLI mode contains the same features except for Barhole testing Pump Control The pump must be ON to draw a gas sample By...

Page 18: ...sustained Time and date GPS location i Alarms and pump control are disabled during a barhole test To perform barhole testing 1 Ensure the instrument is set to GLO mode 2 Press B4 for additional funct...

Page 19: ...sts press B2 and B3 to move through the results 8 The next barhole number will be displayed Repeat steps 5 7 to test Barhole number 02 9 If you wish to repeat overwrite a barhole test e g at No 1 pres...

Page 20: ...ot be zeroed in CSM mode Change mode to zero Always zero in fresh air View Gas Readings Alarm Set points 1 By pressing B3 the menu sequence to view measured gas readings and alarm set points are displ...

Page 21: ...B1 to return to the Live display Press B3 to continue 8 LoLo alarm set points Press B1 to return to the Live display Press B3 to continue 9 STEL alarm set points Press B1 to return to the Live displa...

Page 22: ...nsor Zeroing Search In this mode the GS700 is used for rapid leak detection Typical features Measures 0 10 000 PPM HC Pump Control Sensor Zeroing Audible and visual Geiger alarm A V see Geiger Alarm P...

Page 23: ...und of ALL modes of operation except for CSM When sample testing the GS700 discriminates the gas and displays the results as NOT Pipeline Gas Non Pipeline gas identified Red visual top plate LED s act...

Page 24: ...splay backlight turns red and alarm flags are displayed i Audible and Visual alarms are only active in CSM mode Alarm Acknowledge The display will show the alarming gas level alternating with the alar...

Page 25: ...y default gas alarms are set in accordance to international standards How the instrument responds to the alarm set points being triggered is configuration dependent Hi or HiHi Alarm Gas types with a H...

Page 26: ...alarm with a gas reading of 38PPM and a LTEL alarm flag Alternates with Alternates with i Live readings are shown not calculated averages Over Range Alarm In the event of the flammable gas LEL sensor...

Page 27: ...ds the audible alarm will reactivate When the audible alarm is muted and gas levels fall below the alarm set points Latching alarm the visual displayed alarms can be cleared Ack by pressing B3 Non lat...

Page 28: ...cklight activate The sample path and filters should be checked for a blockage or water ingress Once the blockage is cleared press B1 to restart the pump i In CSM mode once the blockage is cleared the...

Page 29: ...nfigured during instrument warm up a Cal Due message will be displayed Press B1 to continue Press B4 to switch off Alternatively the Cal Due message can be configured to force the user to switch off t...

Page 30: ...y 30 mins and the batteries require to be replaced or recharged Replacing Alkaline Batteries Only use the following approved size D LR20 alkaline batteries DURACELL PROCELL MN1300 or INDUSTRIAL ID1300...

Page 31: ...artment for damage to spring contacts or corrosion on springs 5 Insert the 3 new batteries observing correct polarity Polarity markings indicated in battery compartment Do not mix old and new alkaline...

Page 32: ...ent or separately Only use GMI approved batteries and chargers Batteries must be charged in a safe area i To fully charge the battery pack takes up to 9 hours Instrument Charging 1 Ensure the GS700 is...

Page 33: ...ent will flash until fully charged 5 On completion remove from charging cradle as illustrated Battery Pack Charging 1 Remove the battery pack from the instrument see Replacing the Battery Pack 2 Ensur...

Page 34: ...n the battery pack indicates the battery pack is charging When the LED switches off the battery pack is fully charged 5 On completion remove from charging cradle as illustrated 6 Fit the battery pack...

Page 35: ...following procedure should be carried out in a safe area 1 Using the 4mm hex driver supplied loosen the 2 instrument base screws 2 Remove the battery pack 3 Insert new battery pack i The battery pack...

Page 36: ...cal solutions as these could damage the impact resistant casing Probe Handle Filter Replacement Hydrophobic and cotton particulate filters in the probe handle minimise the danger of water and dust ing...

Page 37: ...ve the inlet nozzle 2 Remove the dust filter from the inlet nozzle i The dust filter should be removed for inspection periodically 3 Clean the inlet nozzle to make sure it s free from dirt and water 4...

Page 38: ...tion GMI s flexiCal Plus software facilitates Setting up of the calibration test Step by step instruction during calibration Storage of test results files i Both automatic and manual calibration metho...

Page 39: ...s w 6 mm fittings Q for 1 4 in fittings 99118 Demand flow regulator 12712 Clear sample line order per metre 12393 Plastic probe 80 cm solid end 42700 Extended survey probe assembly c w bellows probe 4...

Page 40: ...Industrial ID1300 12451 Hex Driver 67163 Instrument Dust filter Box of 30 12358 Probe Hydrophobic filter 10077 Probe Cotton filter Box of 10 42197 Semiconductor flexi probe assembly filter disc i For...

Page 41: ...ormance complies to the following standards Flammable BS EN IEC 60079 29 1 Flammable CSA 22 2 No 152 and ANSI ISA 12 13 01 Toxic BS EN 45544 Oxygen BS EN 50104 GS700 will indicate if the gas sample is...

Page 42: ...85 db at 0 3 m Sampling System Integral pump with flow fail sensor Sample path is protected by a hydrophobic and cotton filter Flow rate 0 5 l min with no restriction Response times increase 2 second...

Page 43: ...t switch on until instrument switch off Alarm Set points 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 c...

Page 44: ...ive Return to live gas readings Log Manual datalog Mode Available operating modes Next Go to next gas reading or alarm level No Reject selection Pump Toggle the instrument pump Purge Purge gas from se...

Page 45: ...ave field calibration FC flashing in the bottom left hand corner if enabled Press B4 to select field calibration 2 After instrument warm up if prompted enter the field calibration code The default cod...

Page 46: ...rresponds to the concentration of calibration gas disconnect the tubing from the instrument and the regulator from the gas cylinder Replace the cap on the calibration gas cylinder 10 Press B2 to chang...

Page 47: ...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 Every care has been...

Page 48: ...d PA4 9RG Tel 44 0 141 812 3211 Fax 44 0 141 812 7820 sales gmiuk com www gmiuk com Service Calibration Centre 25 Cochran Close Crownhill Milton Keynes MK8 0AJ Tel 44 0 1908 568 867 Fax 44 0 1908 261...

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