Basic parameter
 working conditions condition:
 temperature: 0°C~40°C
 relative humidity: ≤98%
 atmospheric pressure: 86kPa~116kPa
 wind speed: 0m/s~8m/s
 measuring range:
 Gao Nong: 0%CH4~100%CH4
 temperature: 0°C~40°C

 Measuring range (%CH4)
 high thick: 4.00-10.0
>10.0
 intrinsic error (%CH4)
≤±1.0
 survey upper limit ±10%
 temperature: Intrinsic error: ±2°C
 resolution: High thick 0. 1%CH4, temperature 0.1°C
 display mode: Six LED, its right three demonstration methane, left three demonstration temperature
 response time: ≤20s

 Alarm point: Adjustable, the instrument leaves the plant when establishes in 1.00%CH4; In 0.3%CH4-3.5%CH4 adjustable
 power failure spot: Adjustable, the instrument leaves the plant when establishes relegrams in reply the spot in 1.50%CH4 
Adjustable, the instrument leaves the plant when establishes in 1.00%CH4 
 height density switch point:
1) from low to high: 3.5% CH4
2) from high to low: 2.5% CH4
 accommodation mode: Uses the FYF remote control which this company produces, the explosion-proof symbolized: ExibI, explosion-proof certificate number: 1044440, safety mark card number: 20042726.
 warning way: Acousto-optics:
 volume: 　　≥85dB
 light visibility: ≥20m
 working: Proliferation type

Alarm point: Adjustable, the instrument leaves the plant when establishes in 1.00%CH4; In 0.3%CH4-3.5%CH4 adjustable
 explosion-proof pattern: Mineral product this peaceful concurrently flame-proof type; The explosion-proof symbolized: ExibdI.
 output signal: Two group 200Hz~1000Hz frequency output.
　　　　Methane: the 200~600Hz correspondence methane density is the 0~4%,600~1000Hz correspondence methane density is 4~100%.
　　　　Temperature: 200Hz~1000Hz correspondence 0°C~40°C.
Ui:≤DC 20V; Ii:≤90mA.
 connection equipment: This company produces DJ4G-2000 stationary type methane power failure meter, explosion-proof pattern: The mineral product flame-proof concurrently essence security, the explosion-proof symbolized: Exd[ib]I, is not bigger than 2000 meters the sensor to the power failure meter's distance. Explosion-proof certificate number: 1042460, safety mark card number: 20042728 

 Matches meets the equipment: This company produces KJF33 general monitoring substation, explosion-proof pattern: The mineral product essence security, the explosion-proof symbolized: ExibI
 explosion-proof certificate number: 1034356, safety mark card number: are not bigger than 2000 meters 20033034 sensors to the substation distance.
 transmission electric cable:
 electric cable greatest length: 2000m, distributed capacity ≤0.1μF/km, distributed inductance ≤1mH/km.
 external dimensions: 200 mm×110 mm×35mm
 quality: 1.1kg