Range 

Resolution 

Accuracy 

DATA  

Power 

Brand 

model 

0-3%VOL/

100%lel 

1%LEL 

±2%LEL 

T90＜30S；Temperature Range -20to+50°C；

Pressure range  90to110Kpa；Operating Humidity  0to95%RH(non-condensing） 。

3-5V

Voltage ，75-85mA 

DYNAMENT 

MSHia-P/HC

C2H6 0-3%VOL 

0-100%LEL 

2%LEL 

3-5%LEL 

pellistorMethane,Power288mW,

sensitivity75±7mV/%Methane,

T90＜20S 

3.3V

Voltage ,

80mA, 

CITY 

4P-90  

0-100%LEL 

2%LEL 

3-5%LEL 

pellistorMethane,Power230mW,

sensitivity20mV/%Methane,

T90＜12S

3V

Voltage ,

75mA, 

SGX

VQ548ZD

0-100%LEL 

2%LEL 

3-5%LEL 

pellistorMethane,Power130mW,

sensitivity12mV/%Methane,

T90＜12S,MEMS，Low power – designed for battery operation ,

High resistance to mechanical shocks,Low orientation effect.  

3V

Voltage ,

40mA 

SGX

VQ548MP

/MP7217

0-100%LEL 

2%LEL 

3-5%LEL 

pellistorMethane,Power130mW,

sensitivity12mV/%Methane OR 3mV/%Methane,T90＜12S,

MEMS，Low power – designed 

for battery operation ,High resistance to mechanical shocks,

Low orientation effect. 0-100%VOLMethane 

3V

Voltage ,

40mA 

SGX

MP7217TC