Customization: | Available |
---|---|
Usage: | HVAC Refrigeration etc. |
Description: | High Sensitivity Gas Sensor |
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Product model
|
MH-411D
|
Detection gas
|
Carbon dioxide
|
Operating voltage
|
3.6 to 5 V DC (Powered by the safety grid)
|
Mean current
|
< 85 mA
|
Measuring range
|
Optional in the range of 0 to 10%Vol (see Table 2)
|
Interface level
|
3.0 V
|
|
UART
|
Output signal
|
0.4 ~ 2 V (output through safety gate)
|
Preheating time
|
3 min
|
Response time
|
T90 < 30 s
|
Operating temperature
|
-20 ~ 60
|
Working humidity
|
0 ~ 95% RH (no condensation)
|
Overall dimension
|
Φ20 mm x 22.4mm
|
weight
|
35 g
|
Life expectancy
|
> 5 years
|
Protection class
|
IP54
|
Power end, communication end
|
Ui=7.5VDC, Ii=265mA,
|
Intrinsic safety parameter
|
Pi=0.5W, Ci= 10μF, Li=0mH
|
Gas name
|
Molecular formula
|
Range
|
Accuracy
|
Remarks
|
Carbon dioxide
|
CO2
|
02000 ppm
|
±(50ppm+ 5% read value)
|
Temperature compensation
|
|
|
06000 ppm
|
|
|
|
|
01% Vol
|
±(50ppm+ 5% read value)
|
|
Carbon dioxide
|
CO2
|
03% Vol
|
|
|
|
|
05% Vol
|
|
|