Crowcon Gasman II Скачать руководство пользователя страница 31

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Crowcon may also be relied upon for :

•

Portable multi-gas monitors for simultaneous
detection of up to four gases.

•

Fixed equipment for continuous plant
monitoring.

•

Calibration and repair at our instrument
workshops.

•

On site service and maintenance.

Issue 5

Page 31

11/99

Содержание Gasman II

Страница 1: ...GASMAN II PERSONAL SINGLE GAS MONITOR INSTRUCTION MANUAL ISSUE NO 5 11 99 STOCK NO M07 118...

Страница 2: ...hat Flammable instruments are fully charged for 16 hours prior to use Gasman II Instruction Manual Issue 5 Page 2 11 99 This product has been tested and found to comply with the European Directive 89...

Страница 3: ...ypad Adjustments 18 8 1 Viewing settings 18 8 2 Adjusting settings 19 8 3 Zeroing 20 8 4 Calibration 20 9 Accessories 21 9 1 Calibration Adaptor 21 9 2 Universal Clip 21 9 3 Rubber Boot 22 10 Routine...

Страница 4: ...large button Switch Instrument Press both buttons Off together release Zero instrument When unit is off press small button hold The symbol will appear Keeping the small button pushed in press the lar...

Страница 5: ...orn by individuals working in hazardous environments such as confined spaces and will give a loud audible and bright visual alarm warning when pre set concentrations of gas are exceeded It is a simple...

Страница 6: ...S NH3 0 500ppm CO 0 5 ppm CI2 PH3 0 10ppm SO2 NO2 0 25ppm HCN 0 999PPM H2 Typical alarm 20 40 LEL methane levels 19 and 23 oxygen 10 20ppm hydrogen sulphide 50 100ppm carbon monoxide Typical TWA alarm...

Страница 7: ...backlight Operating 20 to 50 C 4 F to 122 F temperature range Humidity 0 95 RH non condensing Expected sensor Pellistor 5 years toxic gas 3 life years oxygen 1 year Batteries 1 1Ah nickel metal hydrid...

Страница 8: ...ed in an ambient temperature between 0 C and 40 C 4 1 Instrument Settings Unless otherwise specified instruments will be shipped from the factory with default settings These cover alarm tones logging...

Страница 9: ...struments batteries last 12 hours on a full charge Non rechargeable flammable instruments using alkaline batteries last 24 hours Toxic and Oxygen instruments last 1 year using alkaline batteries under...

Страница 10: ...ng contact 3 Small button 4 Calibration adjuster cover 5 Alarm LED lens 6 Alarm sounder 7 Top moulding 8 Gas legend 9 Display window 10 Large button 11 Base moulding 12 Universal clip 13 Certification...

Страница 11: ...ng below 20 indicates that replacement or recharging is due For the first 4 5 charge cycles rechargeable batteries cannot hold a full charge Initial operation time is therefore around 71 2 hours The i...

Страница 12: ...f the instrument Selection of these confidence signals will affect battery life according to the table in Section 4 2 Pressing both buttons together will switch the instrument off The instrument may b...

Страница 13: ...hes and the sounder emits an intermittent blip it is an indication that there is less than 10 of battery life remaining A toxic oxygen instrument may run for weeks in this condition allowing time to s...

Страница 14: ...be activated The minimum averaging time before a STEL alarm can be triggered is 1 minute 8 hour TWA Alarm LTEL If the 8 hour exposure level is reached this symbol will flash and the visual and audibl...

Страница 15: ...minute or so to ensure the batteries are kept topped up If the instrument is not in use it should be charged once per fortnight or it can be stored permanently in its charger without damage If it is...

Страница 16: ...uring seals are correctly fitted in grooves Duracell MN1500 LR6 Ever Ready Energizer LR6BA 6 3 Charger Supplies These must not exceed 29 volts DC 11 to 16V is ideal They can be either a a mains DC pow...

Страница 17: ...el and a non silenceable alarm at a higher level Unused alarms may be deactivated The level 1 alarm may be set to be visual only not oxygen units If any alarm event is triggered the red LEDs will flas...

Страница 18: ...o silence or clear certain instantaneous alarms as the configuration permits 8 Keypad Adjustments When the instrument is off calibration and alarm settings can be viewed and adjusted if required 8 1 V...

Страница 19: ...again to view the 8 hour TWA The symbol appears and the 8 hour TWA alarm level is displayed Release small button then press and hold again to bring the display back to zero mode If the small button is...

Страница 20: ...low the sensor to stabilise after energising A short cut zero is provided by pressing the large button whilst the small button is held down in zero mode Only perform this operation in fresh air Note T...

Страница 21: ...can be adjusted via the keypad Section 8 4 or with the SetPortable computer interface Section 12 9 Accessories 9 1 Calibration Adaptor The calibration adaptor is a push fit device for connecting calib...

Страница 22: ...maintenance is recommended WARNING Substitution of components may impair intrinsic safety 10 1 General If used in dirty conditions a regular wipe with a damp cloth will help in viewing the display an...

Страница 23: ...e of a PC to make adjustments see Section 12 Due to the safety nature of gas detection instruments it is recommended that sensors are regularly gas checked Instrument sensors may be adversely affected...

Страница 24: ...ore refitting top moulding Secure with screws Zero and calibrate instrument 11 Troubleshooting Guide Instrument may be customer configured such that display is blanked no confidence signals given cann...

Страница 25: ...ion 8 E02 Zero Failed FATAL Results from attempting to Zero a channel exposed to gas including an oxygen channel in air The function request is aborted without effect Re zero Section 8 E03 Calibration...

Страница 26: ...st data is overwritten so the instrument will always contain the most recently accumulated data As standard a reading is taken every minute which will give a minimum logging capacity of 30 hours If ga...

Страница 27: ...instrument should be switched on if it is to be zeroed or calibrated 13 Sensor Limitations Gasman II uses a catalytic flammable gas sensor which operates in the presence of oxygen Prior to entering a...

Страница 28: ...cal agent Use of high power radio transmitters in close proximity to the instrument may exceed rated RFI immunity levels and cause erroneous indications If such problems are experienced remove antenna...

Страница 29: ...ired Flammable instrument E01451 AA size alkaline battery 3 required toxic oxygen instruments DE0111 Oxygen sensor DE0112 Carbon monoxide sensor DE0113 Hydrogen sulphide sensor E01631 Flammable gas se...

Страница 30: ...Gasman II Instruction Manual Issue 5 Page 30 11 99 SERVICE RECORD Ser No Location Date Cal Zero Span Comments Due Date...

Страница 31: ...for Portable multi gas monitors for simultaneous detection of up to four gases Fixed equipment for continuous plant monitoring Calibration and repair at our instrument workshops On site service and ma...

Страница 32: ...ion Instruments Ltd 2 Blacklands Way Abingdon Business Park Abingdon Oxfordshire OX14 1DY England Tel 44 0 1235 553057 Fax 44 0 1235 553062 email sales crowcon com http www crowcon com Gasman II Instr...

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