| Sampling method |
Built in pump |
| Pump flow rate |
0.35-0.5 L/Min |
|
Gas detected
|
Oxygen(O2), Combustible gases(EX/LEL), Carbon monoxide(CO), Hydrogen sulfide(H2S), according to customer's requirements
|
|
Detection principle
|
Catalytic combustion/Infrared Ray(LEL), Electrochemistry(O2 CO H2S), sensor and ic are imported from UK, fast response and high precision
|
|
Install method
|
Wall-mounted, piping type, flow-type (according to the detected environment)
|
|
Measure range
|
O2: 0-30%VOL/0-25%VOL, EX: 0-100%LEL/0-100%VOL, CO: 0-500ppm/0-1000PPM/0-2000ppm, H2S: 0-100ppm/0-200PPM(Measure range is optional)
|
|
Resolution
|
O2: 0.01%VOL, EX: 1%LEL/0.01%VOL, CO: 0.1ppm/1PPM/1ppm, H2S: 0.01ppm/0.1PPM
|
|
Precision
|
≤± 2% FS
|
|
Signal output
|
4-20mA, RS485, 1 set of relay output; 1-5VDC(optional), 2 sets of relay output(optional)
|
|
Response time
|
≤10S
|
Recovery time
|
≤10S
|
|
Repeatability
|
≤±1%
|
Linearity error
|
≤±1%
|
|
Zero shift
|
≤±1%(FS/year)
|
Display
|
High-light nixie tube display
|
|
Connection mode
|
G1/2 external thread explosion-proof flexible pipe
|
Unit
|
ppm, mg/m3, g/m3, %LEL, %VOL
|
|
Temperature
|
-20 to 50°C
|
Humidity
|
0-95%RH
|
|
Explosion-proof
|
Ex d IIC T6 Gb
|
Degree of protection
|
IP65
|
|
Alarm
|
Sound, light
|
Operating time
|
24H
|
|
Dimensions
|
286*202*96mm (H x W x D)
|
Weight
|
3.4kg (3.8kg with alarm light
|