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Isolated pressure transducer 4bar absolute for steam pressure application
2015-02-12

Application:
Disposable indicator for monitoring sterilization procedures, should be a low cost pressure sensor which will be able to function in 140degC steam up to 3,8 bar absolute. It has to be all over encapsulated and protected against media.

Disposable indicator in this case means that there it lasts 500 cycles of sterilization then it is disposed (no battery change or recalibration). So it is basically disposable after shelf life. Longest sterilitation cycle last app 18 min, 134degC, 3,6 Bar abs. During this cycle steam is condesating on surfaces and after cycle it is dryed and exposed to normal atmosphere for longer time, and so on...

Isolated pressure sensor transducer Isolated pressure transducer


Parameters
Power Supply
1.5mADC
Zero Output
Not adjusted①
Span Output
100±20mV
Measuring Range(Absolute)
400KPa
Overload
2.0*F.S.
Temperature Compensation
No
Operating Temperature
-20~100°C
Storage Temperature
-40~125°C
Input Impedance
2.3KΩ~4KΩ
Accuracy(0~600KPa...6MPa)
0.5%F.S.@Room temp

Constructions
O-Ring
Viton(Ø16*1.7)
Diaphragm
Stainless steel 316L
Housing
Stainless steel
Filling Liquid
Silicone oil
Electrical Connection
5 Kovar pins
Diameter
Ø19mm
Height
5.6mm
Weight
9g