Handheld PGAS-21 Ammonia NH3 Gas Alarm Meter
1.Electrochemical principle
2.Ex(ia) IICT3,
3.IP65
4.CE mark
Port: Zhengzhou
Minimum Order Quantity: 1 Piece/Pieces .
Supply Ability: 100 Piece/Pieces per Week .
Payment Terms: T/T,Western Union,.
Contact SupplierPackaging Detail: Customary Packing and Oringinal Packing is available.
Delivery Detail: within 5 working days
Handheld PGAS-21 Ammonia NH3 Gas Alarm Meter
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.
Model | PGAS-21 |
Measuring gas | Toxic gas (O2, CO, CL2, NH3, HCL, HCN, SO2 & etc) |
Sampling method | Diffusion |
Measuring principle | Electrochemical cell |
Measuring range | Refer to ordering information |
Response time | <30 sec / 90% scale |
Accuracy | ±2% / Full scale |
Alarm type | visual, sound, vibration |
Measuring value display | LCD display (6 digit 8 seg) |
Operating temperature | -20°C ~ +50°C |
Operating humidity | 5 ~ 95%.RH (non-condensing) |
Operating power | 4.2V rechargable lithium battery |
Dimensions | 100x60x30 mm (L x W x H) |
Net weight | 105g |
Approval | IP65, Ex(ia) IIC T3 |
Model | Measuring gas | Range | Preset Alarm Threshold |
PGAS-21-O2-30 | Oxygen | 0-30% | LOW: 19.5%, HIGH: 22.5% |
PGAS-21-CO-1000 | Carbon monoxide | 0-1000 PPM | 35 PPM |
PGAS-21-CO-500 | Carbon monoxide | 0-500 PPM | 10 PPM |
PGAS-21-H2S-100 | Hydrogen sulfide | 0-100 PPM | 10 PPM |
PGAS-21-SO2-100 | Carbon dioxide | 0-100 PPM | 2 PPM |
PGAS-21-CL2-50 | Chlorine | 0-50 PPM | 1 PPM |
PGAS-21-HCN-30 | Hydrocyanic acid | 0-30 PPM | 4.7PPM |
PGAS-21-NO2-100 | Nitrate dioxide | 0-100 PPM | 2 PPM |
PGAS-21-NH3-100 | ammonia | 0-100 PPM | 25 PPM |
PGAS-21-PH3-5 | Phosphine | 0-5 PPM | 0.3 PPM |
PGAS-21-O3-1 | Ozone | 0-1 PPM | 0.1 PPM |
PGAS-21-NO-250 | Nitrate monoxide | 0-250 PPM | 25 PPM |
PGAS-21-CLO2-1 | Chlorine dioxide | 0-1 PPM | 0.1 PPM |