Основные характеристики показаны на фото.

Sensor:Gas-sensitive semi-conductor
Range: about 50~1000PPM (Methane)
Sensitivity: > 50 PPM (Methane)
Test Gas (part list):Acetone, Acetylene, alcohol, ammonia, benzene, butane, ethanol, oxirane, gasoline, hexane, hydrogen, methane, naphtha, natural gas, paint thinners, propane, solvents, etc.
Warm-up time: About 30 seconds
Response Time:<=500PPM:Approx.5sec; >500PPM:Approx.2sec
Alarm mode: Buzzer and indicator light
Ambient temperature Range: -20.0°C ~ 60.0°C(-4.0°F~140.0°F)
Ambient temperature Precision:0.0°C ~ 45.0°C(32°F ~113°F) ±2.0°C/4.0°F; Other: ±3°C/6.0°F
Ambient temperature Resolution: 0.1 /1
Ambient humidity range: 0.0% ~99.9%RH
Ambient humidity precision: 20%~ 80%: ±5.0%RH; Other: ±6.0%RH
Operating conditions: 0~ 50°C / 20~ 80%RH
Storage conditions: -10~ 60°C / 20~80% RH
Auto power off:yes
Batteries: 3x1.5V AAA battery(not include)
Product size:142*26*58mm
Product weight: 115g