Rosemount Smart DP Transmitter exporter suppliers
Calibration of Smart Diferential Pressure Transmitter:
1. A 4-20mA fine-tuning is used to correct the D / A converter inside the transmitter because it does not involve a sensing component and requires no external pressure source.
2. Do a full fine tuning, so that 4-20mA, digital readings and the actual pressure signal is consistent, so the need for pressure signal source.
3. And finally adjust the range, by adjusting the analog output 4-20mA and external pressure signal source coincides with the role of the transmitter shell on the zero (Z), transfer range (R) switch the role of exactly the same.
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