FTS140 Hot Wire Air Velocity Transmitter
Model :
FTS140
Features : Economic model for HVAC application.
Sensor type : Hot wire mass flow transmitter
Measuring range : 0 ... 20 m/s
Output : 4 ... 20 mA / DC 0 ... 10 V
Accuracy : ±3% F.S.
IP rating : IP54
Sensor type : Hot wire mass flow transmitter
Measuring range : 0 ... 20 m/s
Output : 4 ... 20 mA / DC 0 ... 10 V
Accuracy : ±3% F.S.
IP rating : IP54
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FeaturesUsing 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
● 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. -
ApplicationsMonitoring air and flow for industrial process / HVAC / Building / Factory
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Specification
Input
Sensor
Hot wire mass flow transmitter
Measuring range
0 ... 20 m/s
Min. measuring range
0.2 m/s
Installation angle effect
(When the installation angle＜10°) ±3%F.S.(Nonlinear error, Hysteresis)
Output
Output signal
4 ... 20 mA / DC 0 ... 10 V
Signal connection
3-Wire
Load resistance
Current output : ≦500 Ω
Voltage output : ≧10 KΩResponse time
t90≦5 sec(τ : 90%)
Accuracy
Accuracy
±3%F.S.
Temp. influence
0.3% / °C
Environment
Medium & Temp.
Air, 0 ... 50°C
Body operating Temp.
0 ... 50°C
Body operating Humid.
95%RH(Non-condensing
Storage Temp.
-20 ... +60°C
Electrical
Power supply
DC 24 V & AC 12 ... 30 V
Current consumption
DC 24 V : 120 mA / AC 12 V : 350 mA / AC 24 V : 180 mA
Overvoltage protection
DC : ＜40 V；AC : ＜40 V
Electrical connection
Terminal
Installation
Fixed seat
Duct type / Flange type
Protection
IP rating
IP54
Electrical protection
■ Reverse polarity
■ Over-voltage
■ Short-circuit
Certification
Certification
CE
Material
Housing / Probe
PC fire-proof(UL94V-2) / PC fire-proof
Probe head / Wire
PC
Weight
~150 g
Note : Design and specifications are subject to change without notice.
Note : If the product has RS-485 function, to avoid damaging product, please make sure the product and the device which connect with RS-485 are on common ground.