2. Specifications
Gas
Range
Resolution
Low alarm High alarm
LEL
(0~100)%LEL
1%LEL
20%LEL
50%LEL
HC vapour
(0~100)%LEL
1%LEL
20%LEL
50%LEL
O
2
(0~30)%vol
0.1%vol
19.5%vol
23.5%vol
CO
(0~1000)ppm
1ppm
35ppm
200ppm
H
2
S
(0~100)ppm
1ppm
10ppm
15ppm
CL
2
(0~20)ppm
0.1ppm
5ppm
10ppm
SO2
(0~500)ppm
1ppm
10ppm
50ppm
NH
3
(0~100)ppm
1ppm
25ppm
50ppm
Sensor type: Catalytic or electrochemical gas sensor
Sampling: Natural diffusion
Working type: Continuously working
Error: ≤±5%F.S.
Response time (T90): ≤30s (LEL) / ≤60s (toxic gas)
Working condition:
Temperature: -40
～
70
℃
(LEL) / -20
～
50
℃
(toxic gas)
Humidity: ≤95%RH (no condensation)
Explosion-proof grade: Exd
Ⅱ
CT6
Protection grade: IP55
Wor
king voltage: DC24V±25%
Working pressure: 86kPa
～
106kPa
Signal output: 4-20mA 3-line
Consumption: 2W/channel
Life: Catalytic sensor 3 years; electrochemical sensor: 2 years
Connection screw size: G1/2”
Cable required: 3-
line cable, ≥3 mm
2
Transforming
distance: ≤1000m
Dimension and weight: l×b×h mm 196×186×68.5 App. 1200g
