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Model GX-82 Operator’s Manual

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Содержание GX-82

Страница 1: ...RKI Instruments Inc 33248 Central Ave Union City CA 94587 510 441 5656 Instruction Manual Model GX 82 Portable Three Gas Monitor Part Number 71 0000RK Edition Second Released November 1997...

Страница 2: ...eplacement costs local repair costs transportation costs or contingent expenses incurred without our prior approval THIS WARRANTY IS IN LIEU OF ANY OTHER WARRANTIES AND REPRESENTATIONS EXPRESSED OR IM...

Страница 3: ...Start up 5 Normal Operation 6 Alarms 7 Safety Self Check 8 Emergency Operation 8 Calibration 9 Supplies and Equipment 9 Calibrating the GX 82 9 Calibration with the RKI Four Gas Cylinder 11 Maintenanc...

Страница 4: ...iv Model GX 82 Operator s Manual...

Страница 5: ...st follow the instructions and warnings in this manual to assure proper and safe operation of the GX 82 Description The RKI Model GX 82 is an advanced portable instrument for simultaneous detection of...

Страница 6: ...ntered stainless steel flame arrestor that permits the atmosphere to diffuse inward but prevents flame to pass outward when an explosive atmosphere is encountered The two elements form half of a balan...

Страница 7: ...nsors are exposed to a continuous bias current even when the power is off Control Panel The control panel is at the top of the GX 82 for easy access when you carry the GX 82 The control panel contains...

Страница 8: ...batteries A plastic strap with a snap fastener is included to secure the cover in place for everyday use The GX 82 uses two C size cells Standard alkaline batteries will run the GX 82 for approximate...

Страница 9: ...operation 2 Verify that the GX 82 is operating correctly To easily verify correct operation of the GX 82 exhale over the diffusion grill When the oxygen reading drops below the decreasing oxygen alarm...

Страница 10: ...sounds The GX 82 displays D XXX ppm XXXM This display indicates the H2S or CO average exposure D XXX ppm and duration of the measurement in minutes XXXM The GX 82 returns to normal operation after fi...

Страница 11: ...he detection range of the oxygen sensor 40 0 a steady alarm sounds and the oxygen reading is replaced by the word OVER H2S For GX 82 s with H2S detection if H2S exceeds the first alarm setting 10 0 pp...

Страница 12: ...ctive sensors The GX 82 performs normal monitoring functions for the active sensors for 13 minutes when it performs a self diagnosis then shows a malfunction alarm To continue using the GX 82 turn off...

Страница 13: ...ontrol increases the reading Ignore alarms during the calibration procedure Calibrating the combustibles channel 1 Take the GX 82 to a non hazardous environment before calibrating 2 Turn on the GX 82...

Страница 14: ...he oxygen sensor to a know oxygen free sample such as 100 nitrogen available from RKI 2 Watch the display to verify that the O2 reading decrease to 0 0 If the reading does not reach 0 0 adjust the O2...

Страница 15: ...it to warm up for five minutes 3 Adjust the Auto Zero Span as described in Normal Operation on page 6 4 Use the supplied tubing to connect the calibration cup to the regulator 5 Attach the calibration...

Страница 16: ...circuits to show a normal response CO Filter CO sensors are equipped with an activated carbon filter that removes H2S and most hydrocarbons to limit interference with the CO measurement To install th...

Страница 17: ...H2S or CO sensors have been replaced to show a normal response then calibrate Sensor Replacement 1 Place the GX 82 in a non hazardous area 2 Verify that the GX 82 is turned off 3 Press in the cover la...

Страница 18: ...clips 7 Plug the sensor block into the end of the extender cable then close the spring clips 8 Slide the sensor cover over the block on the end of the extender cable then slip on the rubber guard 9 S...

Страница 19: ...e draw pump allows you to continuously draw and monitor a remote area The sample draw pump includes hose probe pump powered by two AA size batteries NOTE The sample draw pump s batteries have a life s...

Страница 20: ...r Description 21 1070RK Battery cover with retaining strap 33 7101RK Filter charcoal 33 7104RK Filter retainer 61 0220RK Combustible gas sensor 65 1051RK Oxygen sensor 65 2003RK Carbon monoxide sensor...

Страница 21: ...Appendix B RKI Model GX 82 Relative Response Chart NOTE The following response chart is based on a GX 82 that is calibrated to methane 0 10 20 30 40 50 60 70 80 90 100 0 10 20 30 40 50 60 70 80 90 10...

Страница 22: ...18 Appendix B RKI Model GX 82 Relative Response Chart Model GX 82 Instruction Manual...

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