How does the output of my differential pressure unit relate to the pressure applied?

The output of our low differential pressure transducers is typically 4 to 20 mA, or a voltage output such as 0 to 5 VDC or 0 to 10 VDC. The pressure transducer gives a linear and proportional output as pressure is applied. So, for example, a uni-directional pressure range of 0 to 10"WC pressure transducer with 4 to 20 mA output would output 4 mA at 0 pressure, 12 mA at 5"WC, and 20 mA at 10"WC. If the unit is bi-directional range of +/-5"WC and 0 to 5 VDC output, the unit would output 0V at -5”WC, 2.5V at 0”WC, and 5V at 5.0”WC.

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