Features：Using Mass flow principle A better choice for HVAC engineering
Measuring range：0 ... 20 m/s
Minimum measuring range：0.2 m/s
Signal：4 ... 20 mA / DC 0 ... 10 V
Accuracy(+25°C)：±3%F.S.

Using Mass flow principle A better choice for HVAC engineering
● Hot wire mass flow transmitter
● IP rating：IP54
● Linear adjustment function
● Switching analog output by dip switch
● Off set function by button
● The housing and probe material are PC fire-proof
FTS140 hot wire air velocity transmitter, using mass flow measuring principle, stable electrical bridge with good accuracy, simple structure, stable performance and low flow sensitivity.
It is suitable for use in HVAC air conditioning environment measurement, optimization and adjustment of system performance, ventilation control.
Duct type, easy installation, suitable is used extensively in environmental engineering projects, as facility and factory maintenance.

Sensor：Hot wire mass flow transmitter
Measuring range：0 ... 20 m/s
Minimum measuring range：0.2 m/s
Signal：4 ... 20 mA / DC 0 ... 10 V
Signal connection：3-wire
Load resistance：Current output：≦500 Ω / Voltage output：≧10 KΩ
Reaction time：t90≦5 sec(τ：90%)
Installation angle effect：＜3% of the measured value(When the installation angle＜10°)
Accuracy(+25°C)：±3%F.S.(Nonlinear error, Hysteresis error, Repeatability error )
Temp. effect：0.3% / °C
Medium & Temp.：Air；0 ... 50°C
Body operating Temp.：0 ... 50°C
Body operating Humid.：95%RH(Non-condensing)
Storage Temp.：-20 ... +60°C
Power supply：DC 24 V & AC 12 ... 30 V
Current consumption：DC 24 V：120 mA / AC 12 V：350 mA, AV 24 V：180 mA
Overvoltage protection：DC：＜40 V / AC：＜40 V
Electrical connections：Terminal
Installation：Duct type / Flange type
IP rating：IP54
Electrical protection：■ Polarity protection ■ Over-voltage ■ Short-circuit
Certification：CE
Material：PC

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