Measuring principle:

 catalytic combustion sensor (CH4)
Electrochemical sensors (CO, O2, H2S)
CD4

Ordering Model :

CD4

Measuring gas:

methane (CH4), carbon monoxide (CO)
Oxygen (O2), hydrogen sulfide (H2S)

Survey:

the proliferation of measurement methods

Measuring range:

CH 4 ： 0~4.00%CH 4

O 2 ： 0~25.0%VOL

CO ： 0~1000ppm

H2S ： 0~100ppm

Measurement accuracy:

CH 4 ： ±10% 、 O 2 ： ±0.7%VOL

CO ： ±5% 、 H2S ： ±5%

Set of alarm point:

the whole range adjustable

Battery display features:

 real-time display battery

Sound and light show with a report:

to highlight figures show that the alarm sound level 80 dB

Resolution:

CH4 ： 0.01%CH4 、 O2 ： 0.1%VOL

CO ： 1ppm 、 H2S ： 1ppm

Charge:

 continuous working hours than 15 hours

Power:

 3.6 V rechargeable lithium batteries

Temperature / humidity:

0~40℃/≤98 %

Size / weight:

105 （ L ） ×56 （ W ） ×28 （ H ） mm/250g

Explosion type:

 ibdI (150 ℃) Earthquake antistatic ABS cases

Standard equipment:

host, chargers, leather, brochures, qualified product, warranty cards

Automatic zero and calibration

Background Light Show