PGas-21 Handheld Ammonia Gas Detector

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Brief introduction PGas-21 Series Single Gas Detector has high sensitivity and high accrancy, it is suitable for the detection of many kinds of toxic and harmful gases. The instrument adopts advanced 16-bit microcontroller with extra low power consumption and quick processing speed. It is firm and durable with the anti-skid design of shell. It is widely used in petroleum, petrochemistry, chemical industry, gas, coal, metallurgy and power system; safety detection in municipal administration, communication and traffic tunnel construction; electronics and semiconductor industry and other places where toxic and harmful gases exist. Technical parameters Parameter Characteristics Measuring gas Combustible gas, toxic and harmful gas, refer to lectotype table for details Sampling Method Diffusion, Pump sampling Measurement principle of sensor Electrochemical (oxygen and poisonous gas), catalytic combustion (combustible gas) Range Refer to lectotype table for details Alarm indication 90dB variable sound vibration alarm, overrange, alarm against insufficient quantity of electricity Response time (CO, H2S, SO2, CL2, NO, CLO2, NO2<60s), (HCN, NH3, O3, HCl, C2H4O <160s), (PH3<100s), (combustible gas <30s) Detection error ±5%F.S Operation mode Touch push-key Display mode Five-bit eight-segment LCD digital display Temperature of Operation envioroment -20℃~55℃ Humidity of Operation envioroment 0~95%RH (no dew condensation) Storage temperature 0℃~40℃ Power supply Rechargeable lithium battery, continuously work for over 24 hours Battery 4.2V lithium battery, 1700mA/h capacity Dimension 100×60×30 mm Weight 105g Explosion-proof grade ExiaⅡCT3 Protection grade IP65 Calibration mode Optional calibrating cap to facilitate calibration by users Lectotype table for detectable gas Model Range Low alarm setting range High alarm setting range Low alarm point High alarm point PGas-21-FL 0-100%LEL 10%LEL-5%LEL 25%LEL-80%LEL 20%LEL 50%LEL PGas-21-CO 0-500ppm 25ppm-100ppm 100ppm-500ppm 35ppm 200ppm PGas-21-CO 0-1000ppm 25ppm-100ppm 100ppm-500ppm 35ppm 200ppm PGas-21-H2S 0-100ppm 5ppm-15ppm 15ppm-30ppm 10ppm 15ppm PGas-21-SO2 0-100ppm 1ppm-3ppm 3ppm-10ppm 2ppm 5ppm PGas-21-CL2 0-20ppm 3ppm-10ppm 5ppm-15ppm 5ppm 10ppm PGas-21-NH3 0-100ppm 20ppm-30ppm 30ppm-70ppm 25ppm 50ppm PGas-21-NO 0-250ppm 20ppm-50ppm 50ppm-100ppm 25ppm 50ppm PGas-21-NO2 0-100ppm 1ppm-2ppm 2ppm-5ppm 1ppm 2ppm PGas-21-HCN 0-30ppm 5ppm-10ppm 10ppm-15ppm 5ppm 10ppm PGas-21-PH3 0-1ppm 0.3ppm-0.5ppm 0.5ppm-0.8ppm 0.3ppm 0.6ppm Executed standard Note: GB standard is Chinese National Standard. GB12358-2006 Gas monitors and alarms for workplace--General technical requirements GB3836.1-2000 Electrical apparatus for explosive gas atmospheres--Part 1 General requirements GB3836.4-2000 Electrical apparatus for explosive gas atmospheres--Part 4 intrinsic safety "i" Explosion-proof mark: ExiaIICT3, it applies to 0 zone, 1 zone and 2 zone, the place that contains IIA～IIC category and T1～T3 group of explosive gas mixture, and is qualified to get explosion-proof conformity certificate through inspection by CQST.

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Henan Zhiyi System Engineering Co., Ltd

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