FTS34/35 Air Velocity Transmitter

● Linear calibration function
● Switch for physical quantity : [m/s], [ft/s], [km/h], [mph], [knot]
● Option  RS-485 Communication Interface, Modbus RTU protocol
● Configuration measuring rage, analog output, station number by dip switch & RS-485
● Off SET function by bottom or RS-485
● Programmable software : DATA LOGGER, record, and chart analysis

Monitor gas and flow for industrial process / HVAC / Building / Factory / Clean room / Hospital / Semiconductor / Electronics / Paper / Environment / Food / Pharmaceutical / Biotechnology industry

Input
Sensor type : Thermal mass flow sensor
Measuring range : 2 m/s；10 m/s；20 m/s；40 m/s
Min. Measuring range : 0.2 m/s

Output
Output : 4 ... 20 mA / 0 ... 10 V / RS-485
Signal connection : 3-wire 
Load resistance : Current output : ≦500 Ω / Voltage output : ≧10 KΩ
Response time : t90≦3 sec
Installation angle effect : ＜3% measuring value (when the angle＜10°)
Display type : LCD Module with black light
Display range : Upon request, one deimal place
Height of character : 5.56 mm

Accuracy(at +25°C)
Accuracy : ±2% F.S.(Nonlinear error, hysteresis error, repeatability error)
Thermal sensitivity Temp. error : 0.1 % / ℃

Environment
Measuring medium : Air
Measuring Temp. : 0 ... 50°C
Operating Temp. : 0 ... 50℃
Operating humidity : 95%RH(Non-condensing)
Storage Temp. : -20 ... +60℃

Electrical
Power supply : DC 8 ... 35 V & AC 12 ... 30 V
Current consumption : DC 8 V : 300 mA，24 V : 100 mA / AC 12 V : 350 mA，24 V : 180 mA
Overvoltage protection : DC : < 45 V / AC : < 40 V
Electrical connection : RS-485 or analog : M type ( M12 - 4 PIN connector ) / N type ( M12 plastic cable gland )
                                     RS-485 + analog : M type ( M12 - 5 PIN connector ) / N type ( M16 plastic cable gland )

Installation；Protection
Installation；Way to fix : Duct / Remote；Flange
IP rating : IP 54
Electrical protection : ■ Reverse polarity ■ Over-voltage ■ Short circuit

Certification
Certification : CE

Material
Housing / Probe : PC fire-proof(UL94V-2) / PC fire-proof 
Probe head / Cable : PC with glass fiber / PVC(FTS35)
Weight : FTS34 : 147g / FTS35 : 200g