FTM94/95 Industrial High-Precision Thermal Mass Flow Transmitter

● Robust IP67 stainless steel housing, suitable for various harsh environments

● Easy to install, important sensing element, high precision, long-term stability

● Switches multi-function physical quantities (air velocity and volume): [m/s], [ft/s], [Nm 3 /h], [Nm/s], [L/min], [m 3 /min]

● LCD display of air velocity and temperature

● LCD display of cumulative flow: m 3 , L (optional) Hot wire thermal air velocity transmitter

FTM94/95 which operates at a constant temperature using King's Law thermal balance equation for:

e2=a'+ b'v ne: Sensor voltage output (V)UN': Zero output of the constant temperature hot-wire anemometer, can use the CTA circuit as temperature compensationB': Sensor sensitivity, in relation to the operating temperaturein: Fluid flow rateN: 0.45 ... 0.5 (standard). 

It can be calculated from the characteristic curve of the constant temperature hot-wire anemometer formula, special three-PT probe and all-metal housing design, high precision, suitable for various pipe diameters, widely used in industrial sectors.