|Apr28-11, 04:04 PM||#1|
Differential Pressure Transmitter (DPT) Calibration
I understand the basic principle behind pressure sensor calibration but i am still not able to do a calibration problem. Could someone Explain how you would go about calibrating a standard 4-20mA Differential Pressure Transmitter (DPT) to measure differential pressure in the range 5 to 20 psi?
Or direct me to literature that may be helpful in solving this problem. Thanks in Advance.
|Apr28-11, 07:16 PM||#2|
A calibrated pressure pump is often used. With the calibrated pressure pump, you would "teach" the instrument that 5 psid is 4 mA and 20 psid is 20 mA.
|Apr28-11, 08:07 PM||#3|
thanks for replying...
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