FTM84/85 Industrial Grade High Accuracy Thermal Air Velocity Transmitter

Model : FTM84FTM85

Features : Suitable for clean air. Resistant to high pressure and high temperature.
Sensor type : Thermal mass flow sensor
Measuring range : 0 … 90 m/s
Output : 0 … 20 mA / 4 … 20 mA / 0 … 1 V / 0 … 5 V / 0 … 10 V / RS-485
Accuracy : ±1.5% F.S.
IP rating : IP67

Features

● IP rating : IP67, rugged aluminum case, fit in variety harsh environment
● Capable of temperature compensation
● Linear calibration air velocity by computer, analog output or RS-485(Optional)
● High-speed, high-accuracy measurement, quickly respond
● Thermal mass flow sensor
● LCD, display air velocity and temperature
● Switch multifunction physical quantities : [m/s]、[ft/s]、[km/h]、[mph]、[kont]
● DIP SWITCH and RS-485 function
● Follow customer needs to plan measuring range, analog output, stations, and zero-point OFF SET or RS-485 adjustment zero-point OFF SET
● Free programmable software : Data logger / Maximum record 65535 data / Charts

Applications

Monitor air velocity in supplying gas consumption dry process in industry process / Compressed air consumption measurement / Building / Factory / Clean room / Hospitals / Semiconductor / Electronics / Paper / Printing / Textiles / Steel and iron Industry / Food / Chemical / Pharmaceutical / Biotechnology industry

Download

Datasheet

Manual

CE Certification

Protocol

Software

Specification

Input
Sensor type	Thermal mass flow sensor
Measuring range	1 m/s, 2 m/s, 5 m/s, 10 m/s, 20 m/s, 40 m/s, 60 m/s, 90 m/s
Minimum measuring range	0.15 m/s
Temp. sensor & measuring range	Pt1000, 0 … 80°C
Output
Signal	0 … 20 mA / 4 … 20 mA / 0 … 1 V / 0 … 5 V / 0 … 10 V / RS-485
Default output	Out1 : Air velocity Out2 : Temp.(Default value : 0 … 80°C)
Signal connection	3-wire
Load resistance	Current output : ≦ 500 Ω Voltage output : ≧ 10 KΩ
Response time	t90≦3 sec
Installation angle effect	＜3% of the measured value (When the installation angle＜10°)
Display type	LCD module with green black light
Display range	Upon request, one decimal place, double line character (Up : Air velocity, Down : Temp.)
Height of character	5.55 mm
Accuracy(+25°C)
Air velocity	±1.5%F.S. (Nonlinear error, hysteresis error, repeatability error)
Temperature(＞2 m/s)	±0.3°C
Thermal sensitivity Temp. error	0.05% / °C
Environmental
Medium	Air
Operating Temp.	Housing : -20 … +80°C Housing with display : -20 … +60°C Probe : -20 … +100°C
Operating humidity	0 … 95%RH(Non-condensing)
Storage Temp.	-20 … +60°C
Probe pressure	10 bar
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 connections	RS-485 or analog : M type ( M12 – 4 PIN connector ) RS-485 + analog : M type ( M12 – 8 PIN connector ) / N type ( M16 metal cable gland )
*M type with 2 m cable
Installation
Installation	Duct / Remote
Fix	1/2″PT movable thread
Protection
IP rating	IP67(Probe) / IP65(Body)
Electrical protection	■ Reverse polarity ■ Over-voltage ■ Short-circuit
Certification
Certification	CE
Material
Housing	Aluminum alloy
Probe	SUS
Filter	POM
Cable	PTFE (Remote FTM85)
Option	Metal mounting flange
Weight	FTM84 : 670 g / FTM85 : 782 g