| Detect gas | H2 |
| Detection principle | Consult the customer service of the mall. |
| Range | 0~100%LEL |
| resolution | ≤ full scale * one thousandth (consult the customer service of the mall) |
| testing unit | ppm, ppb, pphm, mg/m3, LEL%, VOL% (partially switchable) |
| Response time | T90 ≤ national standard |
| error of indication | 3%FS |
| Repeatability | 1% |
| Display | High definition color display |
| system language | Chinese/English, can be switched. |
| Adoption method | diffusion |
| Communication interface | MICRO USB |
| Alarm function | Buzzer, LED light alarm; |
| Operation mode | Key operation (3); |
| How to use | Handheld, neck-mounted; |
| automatic calibration | Zero automatic correction function; |
| calibration period | 1 year (recommended) |
| Data storage | Detection data > 100000; Alarm record data: 1000 |
| Explosion-proof level | Intrinsically safe: EXia II CT6 |
| Protection level | IP65 |
| anti-electromagnetic interference | national standard |
| anti-cross gas interference | Yes. |
| Battery | 2800MAH Capacity lithium battery Operating Voltage: DC 3.7V |
| battery life | 10 hours < working battery life < 60 hours (determined by the detection gas and the detection principle) |
| Environmental temperature | -40~55℃ |
| Storage temperature | -10~30℃ |
| Working pressure | 80-120KPA |
| service life | Sensors: determined by the detection principle; Miscellaneous components outside the air pump ≥ 5 years |
| Attenuation performance | Has certain anti-attenuation performance; |
| reference certification | Measurement equipment CPA, intrinsically safe explosion protection, IP65 protection, ROSH, CE |
| Weight | About 360g |
| Shell Color | Sub-black + off-white |
| Product size | 132.36*71.3*33.5mm |
| shell material | Shell material: PC + soft rubber; non-slip, anti-drop |
| Environmental humidity | 0% -95% RH (no condensation) |
Warranty days: 365 days