| Detection factor | 1-4 gases (carbon monoxide CO, hydrogen sulfide H2S, oxygen O2,
combustible gas Ex, CO2 CO2, VOC, etc.), Depending on the site environment and user needs |
| Scope of detection | Depending on the site environment and user needs |
| resolution ratio | 0.001ppm (0-10ppm high precision) / 0.01ppm (0-10 ppm);0.01ppm
(0-100 ppm),0.1ppm (0-1000 ppm), 1ppm (0-5000 ppm); 0.1% LEL;
0.01%Vol |
| Unit display | Option: umol / mol, ppm, mg/m3, VOL%, LEL% |
| Detection principle | Electrochemistry, catalytic combustion, infrared, thermal
conductivity, semiconductor, PID photoions, etc., according to the
range, field environment and user needs |
| Sensor life | 2 – 3 years for electrochemical chemistry, 2 – 3 years for
catalytic combustion, 5 years for infrared, 2 – 5 years for thermal
conductivity, and 2 years for PID |
| detection mode | Diffusion type / pump suction type, standard equipment: external
pump, pump plug alarm function |
| display mode | LCD |
| Display content | Real-time concentration, alarm, time, storage, communication state,
electric quantity, charging state, concentration unit, gas
molecular formula, etc |
| Detection accuracy | Typical accuracy: ± 3% FS (optional higher precision sensor) | uncertainty | ≤±2% |
| degree of linearity | ≤±3% | repetitiveness | ≤±2% |
| response time | T9020 seconds (GM) | recovery time | 30 seconds (GM) |
| working power supply | DC 7.4V |
| battery capacity | 7.4V, 1400 mAH rechargeable polymer battery, with over charge, over
discharge, over voltage, short circuit, overheat protection
functions |
| stand-by time | Over 100 hours (no catalytic sensor) |
| The alarm volume | Buzzer 85dB (1 m distance) |
| service environment | Temperature: -20℃ ~ + 60℃, it can be customized-40℃ ~ + 70℃;
Relative humidity: 10-95% RH |
| communication interface | Standard Type-C fast charging and communication, with a seat
charging base |
| data storage | Standard capacity 100,000; support local view, delete or data
export, storage time interval set |
| Interface language | Chinese or English can be set, the default Chinese interface |
| Explosion-proof type | Intrinsically safe type ExiaⅡCT4Ga | | |
| levels of protection | IP68 |
| Case material | High strength corrosion resistance, fire proof polycarbonate,
integral glue, anti-fall wear resistance anti-static, effective
drop resistance of 5 meters |
| External size | Maximum size: 907038mm (LWH) | weight | 200g |
| standard accessory | Manual, qualification certificate, USB charger (including data
line), instrument box, external pump, filter 1. |
| Optional function | ① Temperature detection: -40℃ ~ + 70℃ precision 0.5℃; humidity
detection: 0-100% RH precision 3% RH ② Wireless data transmission: LORA, Bluetooth, SOS, one-click call
for help.(4G?) ③ External micro-powered wireless Bluetooth printer. |
| Optional attachment | ① Multiple filters |
