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PT0E-1887 

 

Portable Gas Monitor 

GW-3 

Operation Manual 

 

(PT0-188) 

 
 
 

 

2-7-6 Azusawa, Itabashi-ku, Tokyo, 174-8744, Japan 

Website: https://www.rikenkeiki.co.jp/ 

Summary of Contents for GW-3

Page 1: ...PT0E 1887 Portable Gas Monitor GW 3 Operation Manual PT0 188 2 7 6 Azusawa Itabashi ku Tokyo 174 8744 Japan Website https www rikenkeiki co jp...

Page 2: ...4 2 4 Safety information 18 3 Product Configuration 21 3 1 Main unit and accessories 21 3 2 Part names and functions 23 3 2 1 Main unit 23 3 2 2 LCD display 24 3 3 Inserting the battery 26 4 Alarm Fun...

Page 3: ...6 1 User mode setting procedure 55 6 2 User mode setting items 58 7 Maintenance 62 7 1 Maintenance intervals and maintenance items 62 8 Storage and Disposal 64 8 1 Procedures for storage or when not...

Page 4: ...d to allow ready reference during use For more information on product maintenance and setting changes refer to the Technical Manual available for download from our website The contents of this manual...

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Page 7: ...ates situations in which improper handling may result in fatal or serious injury or significant property damage WARNING This indicates situations in which improper handling may result in serious injur...

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Page 9: ...roofing Do not modify or alter the circuitry or configuration When using the product in hazardous areas take the following precautions to safeguard against static electricity hazards Wear anti static...

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Page 11: ...ttery types are as follows Japan models One CR2450 Murata Export models One CR2450 Murata CR2450B Sony or DL2450 Duracell If a low battery voltage alarm occurs gas cannot be detected If a low battery...

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Page 13: ...e calibrated separately for carbon monoxide and hydrogen If hydrogen sensitivity calibration is not performed carbon monoxide readings may be inaccurate due to hydrogen interference Due to the hydroge...

Page 14: ...e product is a safety device Maintain the product regularly to ensure safety Continuing to use the product without adequate maintenance will result in sensor sensitivity variations preventing accurate...

Page 15: ...he sensor or buzzer sound opening with sharp or pointed items Doing so may result in malfunctions or damage to the product preventing accurate measurements The product is a precision device Do not sub...

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Page 18: ...wer supply Replace the battery in a safe place Specification for safety Ex ia IIC T4 Ga II 1G Ex ia IIC T4 Ga Ambient temperature range 20 C to 60 C Electrical data Powered by one CR2450 lithium manga...

Page 19: ...nt Safety Information 2 4 Safety information 19 73 List of standards IEC 60079 0 2017 EN60079 0 2012 A11 2013 IEC 60079 11 2011 EN60079 0 2018 EN60079 11 2012 Guidelines JNIOSH TR 46 1 2015 JNIOSH TR...

Page 20: ...or DL2450 by Duracell CR2450 by Murata only for Japan models Note the following Only CR2450 batteries can be used INST No 0 0 0 0 0 0 0 0 0 0 0 A B C D E A Manufacturing year 0 9 B Manufacturing mont...

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Page 22: ...ptional items sold separately Dust filter Filters GW 3 OX GW 3 HS Humidity control filter CF A13i 1 GW 3 CO GW 3 C GW 3 CX Interference gas removal filter CF 6280 Leather case Heat resistant case Arm...

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Page 26: ...s to turn off the power 2 Use a Phillips head screwdriver to loosen the battery cover retaining screw then open the battery cover 3 Remove the old battery then insert a new battery noting the polarity...

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Page 33: ...eeded over scale OVER appears on the LCD display and will blink in the gas concentration display area WARNING A gas alarm indicates the presence of extreme danger The user must take appropriate action...

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Page 36: ...owing before starting gas detection Confirm that the protective film on the LCD display has been removed Confirm adequate battery levels Confirm that the filters inside the product are neither contami...

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Page 39: ...alarm setpoint Integrated TWA alarm setpoint 2 Measurement mode The buzzer blips twice and the product switches to measurement mode 1 Japan models Calibration notification display Export models Calib...

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Page 44: ...f the temperature difference between the storage location and usage location is 15 C or greater turn on the power and allow the product to adjust to ambient conditions similar to those at the usage lo...

Page 45: ...rm calibration abnormality Resetting the alarm displays the value before air calibration If the quick calibration function is enabled you can perform quick calibration after successful air calibration...

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Page 47: ...ked in display mode Refer to 5 6 Checking the gas concentration alarm setpoints etc display mode The LCD backlight lights up when you press the POWER MODE button or the AIR button The LCD backlight wi...

Page 48: ...mperature You can also adjust the buzzer volume 5 6 1 Procedure for displaying display mode 1 Press the POWER MODE button in measurement mode The buzzer blips once and the product switches to display...

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Page 51: ...concentration over 8 hours per day or 40 hours per week The value is refreshed every 60 seconds GW 3 HS TWA display GW 3 CO GW 3 C GW 3 CX Japan models Integrated A 1H display Export models TWA displa...

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Page 54: ...0ppm or 20 9 for oxygen when you turn the power off allow the product to stand in fresh air Confirm that the display returns to 0ppm or 20 9 for oxygen before turning the power off 1 Hold down the POW...

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Page 57: ...to select START then press the POWER MODE button User mode ends The product will return to measurement mode after performing the same operation as when the power is turned on WARNING Be sure to retur...

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Page 59: ...d alarm setpoints STEL alarm setpoint TWA alarm setpoint 2 Japan models Integrated alarm setpoint Export models TWA alarm setpoint Lunch break ON OFF LUNCH Set the lunch break setting to ON OFF The lu...

Page 60: ...If the bump test expiration setting BP RMDR or the calibration expiration setting CAL RMDR is ON you can have this function operate when the expiration date is reached LCD lighting time setting BL TI...

Page 61: ...n the calibration time set with the quick calibration time setting E CAL Date and time setting DATE Set the date and time for the internal clock User mode User mode password setting PASS W Set a passw...

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Page 64: ...away from direct sunlight In a place free of gases solvents and vapor Store the product in its shipping carton if retained and available If the shipping carton is not available store away from dust an...

Page 65: ...ember state dispose of the battery separately The battery must be removed and disposed of appropriately in accordance with waste sorting and collection or recycling systems stipulated by the regulatio...

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Page 69: ...lamp intermittent buzzer sounding fault information display Sampling method Diffusion type Power source CR2450 button type lithium battery Protection level IP66 68 2 m 1 h equivalent Explosion proof...

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Page 71: ...0 C to 50 C no sudden changes In temporary ambient conditions for approx 15 minutes 20 C to 60 C no sudden changes Continuous use environment 20 C to 50 C no sudden changes Operating humidity range 10...

Page 72: ...r the routine replacement of parts due to the normal wear and tear of the product arising from use b any product which in RIKEN s opinion has been misused altered neglected or damaged by accident or a...

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