Output:
4-20ma,pulse, RS 485, HART
Material:
316SS, HC, Ti, other
Accuracy:
±1 to 2.5%
Conneciton:
Pipe size DN3 to DN10
Temperature:
Working temperature Sensor :-40 to 220 °C, Transmitter :-20 to 45 °C
Pressure
Working Pressure: Insertion sensor: medium pressure ≤1.6Mpa,
Flange sensor :medium pressure ≤1.6Mpa
Measuring Range:
0.5Nm/s~100Nm/s for gas
Description:
The JCO1O thermal gas mass flow meter is designed on the basis of thermal dispersion and adopts the method of constant differential temperature to measuring gas flow. It has advantages of small size, easy installation, high reliability, and high accuracy, etc.
The meter contains two platinum resistance temperature sensors. The thermal principle operates by monitoring the cooling effect of a gas stream as it passes over a heated sensor. Gas flowing through the sensing section passes over two sensors one of which is used conventionally as a temperature sensor, whilst the other is used as a heater. The temperature sensor monitors the actual process values whilst the heater is maintained at a constant differential temperature above this by varying the power consumed by the sensor. The greater the gas velocity, the greater the cooling effect and power required to maintain the differential temperature. The measured heater power is therefore a measure of the gas mass flow rate.
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