PGAS-21 Portable Single Gas Detector
- Company Name:Henan Zhiyi System Engineering Co., Ltd.
- Membership:Free Member
- Member Since:2011. 03.14
- Country/Region:China
- City:Henan
- Contact:Angel Cheng
- Related Keywords:Gas Detector, dew point meter
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Henan Zhiyi System Engineering Co., Ltd.
[China]
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 |
20ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ~55 |
Humidity of Operation envioroment |
0~95%RH (no dew condensation) |
Storage temperature |
0ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ~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 |
CT3 |
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 IIC category and T3 group of explosive gas mixture, and is qualified to get explosion-proof conformity certificate through inspection by CQST.
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