Bascom_turner GAS-EXPLORER II EGI-201 Operation Manual Download

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BASCOM-TURNER

INSTRUMENTS

GAS-EXPLORER II



DETECTORS

OPERATION MANUAL

NATURAL GAS, CARBON MONOXIDE, OXYGEN,

HYDROGEN SULFIDE

Part Number OM-0220

Summary of Contents for GAS-EXPLORER II EGI-201

Page 1: ...BASCOM TURNER INSTRUMENTS GAS EXPLORER II DETECTORS OPERATION MANUAL NATURAL GAS CARBON MONOXIDE OXYGEN HYDROGEN SULFIDE Part Number OM 0220...

Page 2: ...ndise authorization RMA number must be obtained prior to returning a detector to Bascom Turner A detector returned to Bascom Turner with probe and water block filter shipping prepaid will be repaired...

Page 3: ...from Other Gases Liquids or RFI 9 6 Change of Batteries 10 7 Probes 11 8 Routine Maintenance 12 Appendix 1 Main Sequences for Operation Modes 14 PART 2 SETUP AND CALIBRATION 1 Setup 15 2 Further Setup...

Page 4: ...sor can be calibrated with System Gas Measurements Over the Full Range of Gas The instruments detect methane over the full range of methane concentrations up to 100 GAS Peak and current readings are d...

Page 5: ...onds Response Time CH4 0 6 seconds Track Gas 2 0 seconds Monitor H2S CO 45 seconds O2 60 seconds Operating Temp 20o C to 40o C 0o F to 105o F Storage Temperature 40o C to 60o C 40o F to 140o F Data St...

Page 6: ...s es whose concentration exceeds preset limits Visual alarms are displayed in between readings For example the display will flash CO approximately every two seconds in between normal Monitor mode disp...

Page 7: ...2...

Page 8: ...ut a filter on the probe Operation without this filter will eventually degrade the sensors and the pump It also voids the limited warranty It is essential that the filter be replaced monthly or sooner...

Page 9: ...probe Low gas concentrations at one spot do not necessarily mean that the gas concentration is low throughout a wider area Safety These instruments measure the concentration of natural gas in air and...

Page 10: ...Probe is displayed followed by Remove Probe and Block Intake and finally Repair Pump followed by an automatic turning off of power The next display suggests a Calibrate by a date thirty days from the...

Page 11: ...concentration of gas increases according to the chart below 2 Beeps 20 ppm 100 ppm 3 Beeps 100 ppm 250 ppm 4 Beeps 250 ppm 500 ppm 5 Beeps 500 ppm 1 000 ppm 6 Beeps 1 000 ppm 5 000 ppm Since methane...

Page 12: ...ation of natural gas in nitrogen with a resolution of 0 1 by volume from 0 0 to 100 0 as sensed by the thermal conductivity sensor Purging air filled lines into service requires lowering the oxygen co...

Page 13: ...rt No FP 012 Air Free CO Flue Measurements The EGA 411 412 and 611 612 detectors can display measurements of CO on an air free basis if this feature is selected see Part 2 When this selection is made...

Page 14: ...connections block the probe inlet to observe Flow Blocked on the display If Flow Blocked fails to appear there may be a leak Automatic Zero The zero is adjusted automatically when Zero is chosen from...

Page 15: ...er in thermal conductivity from air examples are hydrogen helium carbon dioxide other hydrocarbons Gases or vapors which may interfere with carbon monoxide detection include substances which can be el...

Page 16: ...ap and give it one quarter turn battery cap bar vertical Note that the batteries are inserted with the positive terminal first If the instrument does not operate after battery replacement there is a h...

Page 17: ...ide holes Bar Hole Probe Part No BP 136 36 long fiberglass one hole at end Bar Hole Probe Part No BP 236 36 long fiberglass side holes Bar Hole Probe Part No BP 536 36 long steel side holes The bar ho...

Page 18: ...ers are not a substitute for dust and water block filters as they will not block water or remove very fine dust and dirt If this filter gets blocked it may be cleaned with compressed air or replaced W...

Page 19: ...erial to bottom of threads and place the plastic retainer disk flat on top of the filter material Screw in top until finger tight and check seal by carrying out a block test with the detector Heavy Hy...

Page 20: ...MAIN SEQUENCES FOR OPERATION MODES Off Yes Monitor Track Barhole Purge No Zero Off Mode Monitor CO O2 Zero Off Mode Track PPM peak Off Mode Bar Hole BH Go Off Mode Purge Gas CO O2 Zero Off Mode Monito...

Page 21: ...s which allow limits to be saved or edited are LEL Alarm Limit 1 to 20 Factory Setting 20 GAS Alarm Limit 0 1 to 1 Factory Setting 1 PPM CO Alarm Limit 1 to 200ppm Factory Setting 35ppm PPM H2S Alarm...

Page 22: ...d probe are attached The Pump Noise test follows when the Exit key is pressed Pump Noise is meaningful only under load i e when hose probe and filters are connected to the detector s intake nozzle The...

Page 23: ...l the user can select a One Gas calibration which only uses the 2 5 Methane with 100 ppm CO or the Two Gas calibration which uses both the 2 5 Methane with 100 ppm CO and Pure Methane or System Gas Th...

Page 24: ...3 Main Menu the initial DataLink4Access screen 1 DOWNLOADS The main menu is structured into three blocks Imports Reports and Maintenance The Imports block allows selection of three different downloads...

Page 25: ...utes operated since last calibration Number of times the unit was powered on since last calibration Methane sensor cleaned during calibration Y N Unit Data The Unit data is stored in the detector as a...

Page 26: ...can then be downloaded The Readings and Alarm Events tables can be sorted by unit serial number date time and the operational mode the unit was in when the readings were acquired in order to select th...

Page 27: ...e choices will filter the data accordingly This new form shows the filtered data and allows plotting the selected data directly in Google Earth A detailed view of the readings and the ability to expor...

Page 28: ...port of the date and time of each calibration with before and after calibration readings of each sensor Since the pump must work in order to calibrate a detector this is checked first and is indicated...

Page 29: ...Unit Settings Report gives a listing for the Model number Calibration due time frame Unit and Alarm settings 3 MAINTENANCE Update User Name This will store the user name to the instrument Update Date...

Page 30: ...back of the case see Step 2 above removing the manifold from the bottom of the case and unscrewing the four screws which secure the pump gasket pump plate diaphragm and piston to the manifold Usually...

Page 31: ...f case and main circuit board removed CAUTION After replacing a methane or a CO sensor perform the New Sensor procedure described under Part 2 Setup and Calibration and then completely calibrate the i...

Page 32: ...e filter DS 001 Replacement Dust Filters 5 pkg DF 105 Flue Gas Filter 5 pkg FF 005 Extended Duty Flue Gas Filter 5 pkg FF 105 Heavy Hydrocarbon Filter 5 pkg HF 005 Inlet Filter Quick Connect Air Intak...

Page 33: ...27 Bascom Turner Instruments 111 Downey Street Norwood MA USA 02062 781 769 9660 800 225 3298 Fax 781 769 2099 bascomturner com...

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