Item

Description

Gas type：

Hydrogen (H2)

Working principle：

Electrochemical sensor

Testing mode：

Diffusion sampling.

Display mode：

TFT LCD display

Concentration Unit：

Ppm and mg/m3;

Measuring range：

0-1000ppm or customized;

Resolution：

1ppm or customized;

Precision：

≤±3%FS;

Alarm mode：

Audible-visual alarm，Vibration alarm，Voice≥75dB@25cm;

Preheat time：

≤90s;

Response time：

T90≤30s;

Recovery time：

≤20s;

Explosion proof grade：

Ex ib IIB T3;

Protection grade：

IP64;

Output signal：

Wireless transmission and print function（Optional）;

Body material：

PC+TPU;

Working temperature：

-20℃～+50℃（or customized）;

Working humidity：

≤95%RH，(non-condensing);

Charger：

USB port;

Working voltage：

3.7V rechargeable lithium battery;

Charging time：

≤6 hours;

Working time：

＞8hours continuously（When normal temperature and no alarm）;

Power consumption：

<0.7W;

Working pressure：

86～106KPa;

Dimension：

119.6x60x44mm(L*W*H);

Weight：

About 182g;

Standards：

GB3836.1-2010，GB3836.2-2010，GB3836.4-2010，MT 704-2008, MT 703-2008,MT 1084-2008,GB 15322.3-2003;

Warranty：

12 months;

Accessory:

Box, instruction, USB charger , data line, calibration cap.