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It is a smart differential pressure transmitter with the following parameter setting: BASIC SETUP→Transfer Function→Square Root. The transmitter’s measurement range is 0-160 kPa, corresponding to a flow rate of 0-25 t/h. After it was put into use, it was found that the actual flow rate in the pipeline was very low, and the transmitter’s output was only around 8 mA. If the desired output is around 12mA, what should be the differential pressure range of the transmitter?
This range cannot be set arbitrarily; it is determined according to the instrument’s specifications. If you think the flow rate is low, first check whether the differential pressure is too low. Additionally, when using differential pressure as a flow meter, the signal needs to be squared. Let’s confirm first.
Well, you’re trying to make up the numbers here, but that’s not the right way to do it. You managed to do it today, but if traffic levels change in the future you’ll still have to make up the numbers – it will go on forever