Gas type

Combustible gas, Toxic gas, Carbon Dioxide, Oxygen, TVOC

Working principle

According to the gas

Measuring range

Customized

Resolution

Customized

Concentration unit

%LEL, %Vol, ppb, ppm,mg/m3

Precision

±≤3%F.S

Repeatability

≤±2%

Zero drift

≤±1%(F.S/year)

Sampling mode

Pump-suction sampling (Flow rate of 300ml/minute)

Data storage

Can record 100000 group of measuring data

Response time

T90≤30s (different gas sensors have different response times)

Recovery time

≤20s

Pre-heating time

≤60s

Display

LCD dot matrix display of the Gas type, gas concentration unit, gas concentration data, time, battery status, data storage status;

Working temperature

-20℃～50℃(Special requirements need to be customized)

Working humidity

10%-95%RH(non-condensing)

Working pressure

86Kpa~106Kpa

Explosion-Proof grade

Ex ib IIC T4 Gb

Protection grade

IP54

Alarm mode

Audible, visual. Two-color LED alarm light, sound≥75dB@25cm

Shell material

Aluminum alloy metal housing, ABS+PC

Power supply

3.7VDC, 2600mAh,Rechargeable lithium battery

DC5V USB charger

Charge time

≤6 hours

Working time

≥12 hours (Normal temperature electrochemical sensor)

Power consumption

0.5W

Dimensions

200.5*64.8*35.5mm (L*W*H)

Weight

0.46KG

Accessory

Box, instruction, USB charger , data line

Quality standard

GB15322.1-2003,GB3836.1-2010,GB3836.2-2010,GB3836.4-2010,GB12358-2006