18
7. Sensor Specifications
Sr.No.
Feature
Description
1
Gas detected
Phosphine(PH
3
)
2
Detection principle
Electrochemical sensor
3
Concentration range
Annexure 1
4
Resolution
Annexure 1
5
Warm up time
Less than 1 min
6
Response time
Typically less than 60 sec
7
Accuracy
Inherently ± 2% (but also depends on the
accuracy of the calibrating gas)
8
Drift
Less than 2% of signal per month at constant
temperature and pressure.
9
Operating temperature
0 to + 40 oC
10
Operating pressure
Ambient ± 10%
11
Operating life of sensor
Expected life 1
– 2 years
Warranted for one year.
NOTE:
PH
3
sensors are warranted for
ONE
year.
Annexure 1
Sr.
No.
Gas Name
Model
Range
Resolution
Response
time(T
90
)
1
Phosphine
UNIPHOS-250(PM)
FumiSense Pro
0
– 1000 PPM
1 PPM
60 Secs
2
0
– 2000 PPM
1 PPM
60 Secs
Summary of Contents for FumiSense Pro UNIPHOS-250
Page 22: ...22 11 CONCLUSION REMARKS...
