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

Features

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
● 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.

Applications

Monitoring air and flow for industrial process / HVAC / Building / Factory

Download

Datasheet

CE Certification

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 KΩ
Response 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