| Detect gas |
EX |
| Detection principle |
Electrochemistry, catalytic combustion, semiconductor, infrared, PID, thermal conductivity, fluorescence, etc |
| Range |
0~100%LEL |
| resolution |
≤ full scale * one thousandth (contact 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 |
320 * 240 high definition color screen 2.0 inches, support no backlight display; |
| system language |
Chinese/English, can be switched. |
| Adoption method |
diffusion |
| Temperature detection |
without |
| temperature compensation |
without |
| Communication interface |
MICRO USB |
| Wireless signal output |
Optional 4G, NB-IOT, WIFI, LORA, Bluetooth (optional); |
| Alarm function |
Buzzer, LED light alarm, screen flash alarm, vibration alarm; |
| Fall alarm |
Yes (optional) |
| Remote visual alarm |
Remote visibility of each detection parameter separate light alarm function; |
| Operation mode |
Key operation (3), remote IoT operation; |
| IoT manipulation |
Remote parameter configuration and program upgrade can be carried out through NB-IoT, 4G or WIFI networking. |
| How to use |
Hand-held, shoulder-worn, chest-worn, waist-worn, neck-hung; |
| 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 explosion protection: Ex ia IIC T4 Ga |
| Protection level |
IP66 |
| anti-drop height |
≤ 3 meters (the lower the height, the more resistant it is to falling) |
| anti-electromagnetic interference |
national standard |
| anti-cross gas interference |
weak |
| Battery |
2000MAH Capacity lithium battery Operating Voltage: DC 3.7V |
| battery life |
12 hours < working life < 55 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 ≥ 5 years |
| Attenuation performance |
standard |
| reference certification |
Measurement equipment CPA, CCCF, intrinsically safe explosion-proof, IP66 protection, mine safety, coal safety, ROSH, SIL2, CE, ATEX, IEC |
| Weight |
172g±10g |
| Shell Color |
Amber + off-white |
| Product size |
110*62*61mm |
| Production process |
Standard process |
| shell material |
Shell material: PC plus TPU soft glue, anti-skid, anti-drop; |
| Environmental humidity |
0% -95% RH (no condensation) |