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OMGEM5KN4.7.1 

 

 

GEM5000 Gas Analyzer 

Page 

14

 of 

70

 

 

5.2 Analyzer features and keys 

 

 

 

 

 

 

A 

Main Gas Read Screen 

 

  Start and end screen when using the instrument. 

 

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 from screen to 
screen. 

 

C 

Backlight key 

  Enables the operator to turn the backlight on/off 

on the analyzer display panel.   
 

D 

Menu key 

  Press the ‘Menu’ key to view and maintain User, 

Device and Operation settings. 

 

E 

Pump key 

  Press the ‘Pump’ key to start or stop the pump. 

 

F 

LED light 
 

  LED power light is visible on the front of the 

analyzer when the instrument is powered on.  

 

G 

On/Off key 

 

  Press the ‘On/Off’ key for 2 seconds to switch the 

instrument on and off. 
 

H 
 

Assistance key 
 

  Press for on-screen assistance and help. 

I 

Enter key 

  Use to accept changes, options, user inputted 

answers etc. 
 

J 

Key 2 – Page Up 

  Also ‘Key 2’.  Press scroll up to view further 

information on the instrument screen. 

 

K 

Key 8 – Page down 

  Also ‘Key 8’.  Enables the operator to scroll down 

to display more information. 
 

L 

Key 0 – Space key 

 

  Also ‘Key 0’.  Press to enter a space when entering 

text on the instrument screen. 
 

 

M 

Model Number 

  Instrument model type identification. 

 

N 

 

Serial Number 

 

  Unique identification for the instrument.  

Verification of the serial number will be required if 
Technical Support assistance is needed. 
 

O 
 

Part Number 
 

  Manufacturer’s part number. 

 

P 
 

Certification Number 
 

  Displays instrument certification information. 

 

Q 
 

Recalibrated Date 

  The date displayed is the date the instrument is 

due to be calibrated. 

 

Содержание GEM5000

Страница 1: ...age 1 of 70 GEM5000 Gas Analyzer Operating Manual QED Environmental Systems Inc 2355 Bishop Circle West Dexter MI 48130 Tel 800 624 2026 Fax 734 995 1170 Email info qedenv com Website www landtecna co...

Страница 2: ...12 5 0 GEM5000 INSTRUMENT FEATURES 13 5 1 Physical characteristics of the instrument panel 13 5 2 Analyser features and keys 13 5 3 Instrument connection points 14 6 0 GENERAL OPERATIONAL INSTRUCTION...

Страница 3: ...8 8 How to use an anemometer optional 44 8 9 How to use a pitot tube optional 47 8 10 How to use an H2S filter optional 48 8 8 1 Cross gas effects on chemical cells 48 8 9 2 Cross gas effects on metha...

Страница 4: ...e CSA mark appears with the indicator US or NRTL it means that the product is certified for the U S market to the applicable U S standards VDE mark is a symbol for electrical mechanical thermal toxic...

Страница 5: ...ions Warning The 5000 series of gas analyzers can be used for measuring gases from landfill sites and other sources as described in this manual The operator may be exposed to harmful gases during the...

Страница 6: ...X2197X and IECEx SIR11 0089X For connector C the GF5 4 anemometer BVS 04ATEXE194 for use with ATEX only The analyser should not be connected to any other devices in the hazardous area including the GF...

Страница 7: ...ity output parameters as tabulated below Temperature Code T1 10 C Tamb 50 C Connector Entity Parameters Uo V Io mA Po mW Co uF Lo mH Ci uF Li mH B 5 0 6 7 100 1000 0 0 C 10 0 5 50 100 1000 0 0 Note Th...

Страница 8: ...e manufacturer of an MCERTS product is regularly audited to ensure that the performance requirements of the certification are being continually met The 5000 series of gas analyzers have been certified...

Страница 9: ...Field proven Standardizes monitoring routines Easy transfer of data GPS for compliance Features ATEX certified MCERTS certified H2 compensated CO Calculates flow m3 hr and calorific value kW or BTU Te...

Страница 10: ...000 standard product Reference A Hard carry case B In line water trap tubing filter C Gas analyser instrument D H2S filter optional if the compensated CO cell is fitted E 5000 series safety manual F M...

Страница 11: ...ed the temperature reading will be displayed on the Main Gas Read Screen and recorded with all other data Note Temperature probes with an Ex label are part of the GEM5000 Ex certification SIRA 11ATEX2...

Страница 12: ...is fully compatible with the latest Microsoft operating systems Features Organization and transfer of borehole IDs and readings to and from the gas analyzer Configuration of the gas analyzer Flexible...

Страница 13: ...l Front view Reference Back view Reference A Main Gas Read Screen B Soft keys C Backlight Key D Menu Key E Pump key F LED Light G On Off Key H I Assistance key Enter Key J Scroll up key K Scroll down...

Страница 14: ...n Off key for 2 seconds to switch the instrument on and off H Assistance key Press for on screen assistance and help I Enter key Use to accept changes options user inputted answers etc J Key 2 Page Up...

Страница 15: ...tube to take a gas sample Also used to measure the static pressure C Differential Pressure Port Blue port Attach the sample tube to measure differential pressure D Connector B Attach the temperature p...

Страница 16: ...key Accept or select Default followed by the soft key Accept to continue to the Main Gas Read Screen Note The selected technician ID is displayed at the top left corner of the Main Gas Read Screen 6 1...

Страница 17: ...ious blockages in the sample tubes Alternatively a small amount of adjustment can be made to the low flow detection point to compensate for minor changes in the performance of the pump fitted to the i...

Страница 18: ...easurement screen 6 6 Entering data During normal operation the operator may be prompted to enter data or information via the keypad i e entering an ID code or setting an alarm level When entering dat...

Страница 19: ...example do not keep the analyzer in a hot car When not in use analyzers should be kept in a clean dry and warm environment such as an office Protect the analyzer with either the soft carry case or sto...

Страница 20: ...harged battery will last 7 8 hours A quick 30 minute charge can be used to give approximately one hours use in the field but this may shorten the battery life Temperature can dramatically affect the b...

Страница 21: ...g 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 recomm...

Страница 22: ...r the Pump Running Time in seconds this is the length of time you wish to run the pump to draw the sample e g key in 030 then press the Enter key to accept 2 Select Key 2 to edit the auto power off ti...

Страница 23: ...Key 2 Gas Check and the following menu is displayed 3 For more information about the Gas Check Menu please refer to section 9 0 Calibration 4 Select soft key Exit to exit operation settings and return...

Страница 24: ...w data screen 7 2 4 Set alarms This option enables the operator to define the conditions for which an alarm target will be triggered These conditions apply to the general operation of the instrument a...

Страница 25: ...g key to select the channel for which you wish to set an alarm trigger for followed by Key 1 to change the trigger condition of an alarm target Once you are happy press the middle soft key for save 6...

Страница 26: ...lease contact Technical Support at 800 968 2026 or email landtec_support qedenv com 7 2 6 Technician login This option enables the operator to select or change a pre defined technician login and all s...

Страница 27: ...me This option enables the operator to set the instrument date and time or to receive and update the settings automatically from satellite signal 1 Select the Menu key on the front of the analyzer to...

Страница 28: ...satellite signal when available This option is only available when the GPS option is fitted to the analyser at the time of manufacture 6 Select the soft key Exit to exit and return to the Device Setti...

Страница 29: ...r The operator may be asked serial number service due date and version number information when contacting QED Note The communications setting Legacy mode is for use with GAM v1 5 GA5K mode is reserved...

Страница 30: ...or email landtec_support qedenv com 7 3 5 Navigation optional This option enables the operator to switch the GPS Navigation functionality on or off This is optional and dependent upon purchasing the...

Страница 31: ...e Operating Settings menu followed by the soft key to display User Settings menu The following menu is displayed To exit the user settings menu select the soft key Exit 7 4 1 Operating language This o...

Страница 32: ...mplified Chinese 2 To exit this option select the soft key Exit and the operator is returned to the User Settings menu 7 4 2 Units of measurement This option enables the operator to specify the defaul...

Страница 33: ...and showing 5 IDs with more detailed information relating to the chosen ID The technician can scroll between the IDs using the following keys on the instrument keypad Two 2 and eight 8 move the select...

Страница 34: ...ult the IDs are sorted in the order in which they were transferred to the instrument To change the sort order between unsorted sort by name or sorted by distance to travel press Key 0 Sorted by origin...

Страница 35: ...e filter box will no longer be there as you cannot filter in this mode It will be replaced by Route and the route name 7 4 5 Adjust backlight This option enables the operator to adjust the backlight b...

Страница 36: ...y require resetting when next switched on 7 4 6 Adjust volume This option enables the operator to adjust the volume for the internal speaker for example the alarm tone A lower setting will help preser...

Страница 37: ...g the gas sample process The analyzer will have the user prompts on when it is first used so if they are no required they can be switched off by selecting soft key 6 and this will now be its default s...

Страница 38: ...cial Actions Step 3 The instrument has the correct time and date set Step 4 The water trap filter is fitted and is clean and dry Step 5 The battery has a good charge minimum 25 charge even if only a f...

Страница 39: ...erroneous readings When moving around a site protect the gas analyzer from strong direct sunlight and heavy rain Always use the water trap If the water trap becomes flooded change the filter and ensu...

Страница 40: ...his is accessed via the Special Action menu The answers to these questions are then stored and appended to each reading stored thereafter until the site questions are updated for another site You will...

Страница 41: ...action enables the operator to update site questions prior to taking a reading Key 3 ID Questions This action enables the operator to update ID questions specific to sample points prior to taking a r...

Страница 42: ...e must be taken when positioning the sample tubing to ensure water moisture ingress does not occur 8 Select soft key Stop Logging to stop logging if required 8 5 2 Profiling option 1 The Logging Mode...

Страница 43: ...f operation please refer to the GA5000 gas analyzer operating manual 8 7 The gas flow measurement screen The GEM5000 gas analyzer enables gas and flow measurements to be recorded by using A flow devic...

Страница 44: ...pe diameter can be predetermined in the optional LSGAM software Once set the site engineer cannot edit the pipe diameter setting If the site engineer is not using a borehole ID or the pipe diameter is...

Страница 45: ...w readings are most accurate when there is laminar flow not turbulent Turbulence can be caused by a change in pipe direction or restriction Ideally upstream you want at least 20 times the pipe ID alon...

Страница 46: ...ns Instrument and probe must be switched off or disconnected prior to cleaning Vane probes As the probes are highly sensitive measuring instruments they must be cleaned with great care Fibres or other...

Страница 47: ...anemometer instructions which detail how to calculate the pipe diameter correctly 2 Make sure that the sample tubing attached to the pitot tube fits correctly 3 Attach the sample tube from the top con...

Страница 48: ...pected to be causing false CO readings then it is recommended that the external hydrogen sulphide filter is used while obtaining the CO measurement The H2S filter only needs to be used when you are tr...

Страница 49: ...rder hydrocarbons When using the H2S filter you will need to increase the gas sample and clean air purge run time as using an H2S filter increases the response time of the analyzer Carbon dioxide is m...

Страница 50: ...the CO compensated cell Fitting a pitot tube to a sample point when using an H2S filter 2 Make sure the water trap filter is fitted as close as possible to the pitot tube This will help protect and t...

Страница 51: ...surement reading 2 The analyzer must be at the Main Gas Read Screen 3 Attach the temperature probe to connector B refer to section 5 3 Instrument connections points 4 Insert the temperature probe into...

Страница 52: ...Read Screen 2 In order to use the navigation function if configured you must switch Navigation On on the analyzer Select the Menu key followed by Key 5 to toggle navigation to on Select the Menu key t...

Страница 53: ...titude Latitude displays as degrees minutes seconds and decimal seconds The equator is 0 Longitude E East or W West displays the longitude as degrees minutes seconds and decimal seconds The Greenwich...

Страница 54: ...s to the top of the list and its icon turns green Changing the scale You can change the display s scale by using the 4 and 6 keys to zoom in and out GPS signal strength This icon shows the signal stre...

Страница 55: ...stion ii Select soft key Exit Main Gas Read Screen Gas Measurement screen Select soft key Start Connect the clear sample tube to the sample point The yellow exhaust tube should be vented a safe distan...

Страница 56: ...t which the gas analyzer is calibrated when there is none of the target gases present Span The point at which the gas analyzer is calibrated when a known quantity of the target gas is present 9 2 Freq...

Страница 57: ...ixture 3 For standard CO only 100ppm CO gas is needed For CO H2 compensated both CO 100ppm and H2 1000ppm gases are needed The following table indicates the different gas mixture canisters used for ca...

Страница 58: ...he gas analyzer should be carried out in a safe area with all necessary precautions taken when using potentially dangerous explosive or toxic gases Note There is also potential for gas to expel from t...

Страница 59: ...calibration steps Ensure that you are regulating calibration gas down to below 200 mbar pressure if you re not using a Landtec regulator The use of a pressure relief valve is also highly recommended...

Страница 60: ...age will display Check complete Read status field on the right hand side of the screen Retry Calibrate Record Result saved END Record Select soft key Exit Calibrate Select Fresh Air by using the enter...

Страница 61: ...lay Please wait for timer to reach zero When complete a message will display Check complete Read status field in the right hand corner of the screen Read status field in the right hand corner of the s...

Страница 62: ...return to the Gas Check menu 9 9 Calibration history The GEM5000 gas analyzer logs user calibrations in History application This can be used as an aid to ensuring that gas measurements are valid and...

Страница 63: ...arnings errors can be displayed at any time To ascertain if more errors have occurred use Key 8 Scroll down and Key 2 Scroll up through the list Warnings displayed All warnings displayed will be prefi...

Страница 64: ...losive atmosphere User serviceable parts There are no user serviceable parts inside the instrument The following parts can be user serviced In line water filter This should be regularly inspected for...

Страница 65: ...repair or replace defective parts on an exchange basis The decision to repair or replace will be determined by QED To maintain this warranty the purchaser must perform maintenance and calibration as...

Страница 66: ...ice for measuring velocity of gas in the pipe The GEM5000 analyzer can be set to convert into a flow See also flow measurement ATEX certification The GEM5000 is ATEX certified to zone 1 2 areas above...

Страница 67: ...e attached Exhaust tube Clear plastic tubing used to expel gases from the exhaust port Factory settings Default settings preset at time of manufacture or service Firmware Firmware is the term by which...

Страница 68: ...Lower explosive limit of methane in air 5 methane in air is the point at which it becomes explosive 100 LEL equates to 5 methane m s Meters per second measurement of gas velocity m3 hr Meters cubed p...

Страница 69: ...tform is as follows Residual N2 Balance O2 x 3 76 Where Balance 100 CH4 CO2 O2 and 3 76 is the ratio of O2 to N2 in ambient air 79 21 Sample tube The tube used to obtain a sample of gas from the sampl...

Страница 70: ...which takes place after the analyzer is switched on Warranty The instrument is under guarantee against defect in materials and workmanship for a period of 3 years from the date of shipment to the oper...

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