The temperature compensation issue of ultrasonic flowmeters
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Question: Does an ultrasonic flow meter require temperature and pressure compensation? Must the temperature sensor be an integrated type? Can a platinum resistor be used, or is it necessary to use a platinum resistor along with a secondary transducer?
Additional question: Does pressure compensation refer to absolute pressure?
Ultrasonic flowmeters measure volumetric flow rate; when measuring gases, pressure and temperature compensation is necessary, with absolute pressure to be used for pressure and the thermodynamic temperature scale to be used for temperature
Platinum resistors output resistance signals, while integrated temperature sensors output 4-20mA signals. Can platinum resistors be used when these signals are fed into a flow computer for compensation? Should we still use an integrated temperature sensor? What signals does a flow computer receive? Thank you
It’s not necessary if the temperature and pressure changes are minimal! Liquid may not be necessary!
Emerson’s flow computers come equipped with both analog modules and RTD modules, so you can choose whichever one you prefer. If you need any assistance, feel free to email us at lcjxhl@126.com or add me on QQ at 491731597.