IP67 Rugged stainless steel case, fit in variety harsh environment Easy to install, imported sensing element, high accuracy, long-term stability Switch multifunction physical quantities：[m/s]、[ft/s]、[Nm3/h]、[Nm/s]、[L/min](Air velocity and volume) LCD Display of air velocity and temperature
FTM94/95 Hot wire thermal air velocity transmitter working at a constant Temp. using King's law heat balance equation for:
Sensor voltage output(V)
Zero output of constant temperature hot wire anemometer, can use CTA circuit
as temperature compensation
Sensitivity of the sensor, related to the operating temperature
Fluid flow rate
0.45 ... 0.5(Standard)
Can be calculated from the formula characteristic curve of constant Temp. hot wire anemometer, special double PT probe and full metal housing design, high accuracy, suitable for a variety of pipe diameters, widely used in industrial fields.
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Input type：Pt20 / Pt300(Air velocity)，Pt1000(Temp.) Measuring range：0 ... 120 Nm/s，N：Working condition(Definition：20°C at 1013 hPa)；Units can be converted Nm/s(Flow rate) or Nm3/h(Flow)(Option) Installation angle effect：＜3% of the measured value(When the installation angle＜10°) Output signal：4 ... 20 mA / 0 ... 10 V / RS-485 / Impulse Preset output：Out1：Air velocity；Out2：Impulse Signal connection：3-wire Linear accuracy：±1.5% Warm-up time：＜60 sec Reaction time：t90＜5 sec Load resistance：Current output：≦500 Ω；Voltage output：≧10 KΩ Probe pressure：10 bar Power supply：DC 24 V±10% Electrical connections：M12 metal connector / terminal IP67 Fixed seat：1/2" PT outside thread metal connector Installation：Duct type / remote type IP rating：IP67 (Probe)；IP65 (Housing) Certification：CE Material：Housing：Aluminum alloy；Probe：SUS304 or SUS316
*Please make sure the product and the device which connect with RS-485 are on common ground, avoid damaged product.
Industrial process gas supply / Flow monitoring for consumption and drying / Compressed air consumption measurement / Building / Plant / Clean room / Hospital / Semiconductor / Electronics industry / Paper / Printing / Textile / Steel industry / Food / Chemical / Pharmaceutical / Biotechnology industry