Range

DATA 

sensitivity

PERFORMANCE 

Brand

model

0-100%LEL

Voltage 3.3V；current 80mA ；Power288mW；T90＜20S

75±7mV/

%Methane

detect：Methane Ethane, propane, butane and pentane, hexane, heptane, octane, methanol, ethanol, isopropanol (firewater) and acetylene (acetylene), butadiene, carbon monoxide, acetone, butanone, toluene, ethyl acetate, hydrogen, ammonia, cyclohexane, leaded petrol and unleaded gasoline, ethylene

CITY

4P-90 

Voltage 3V；current 75mA ；Power230mW；T90＜12S

20mV/%

Methane

acetylene, hydrogen reaction is good, detect a variety of alkanes hydrogen class 

SGX

VQ548ZD

Voltage 3V；current 40mA ；Power130mW；T90＜12S

12mV/%

MEMS，Low power – designed for battery operation ,High resistance to mechanical shocks,Low orientation effect。Detect：Methane，Ethane, propane  

SGX

VQ548MP/

MP7217

Voltage 3V；current 40mA ；Power130mW；T90＜12S

12mV/%/

3mV

MEMS，Low power – designed for battery operation ,High resistance to mechanical shocks,Low orientation effect。Detect：Methane，Ethane, propane。0-100%VOL Methane

SGX

MP7217TC

500-10000ppm

 semiconductor type gas sensor which combines very high sensitivity to methane gas with low power consumption and long life。Domestic gas alarms; Portable gas detectors; Gas leak detector for gas applicances

FIGARO

TGS2611