Bi-directional Low Air Flow Thermal Mass Transmitter | FDM06-L

Bi-directional Low Air Flow Thermal Mass Transmitter FDM06-L
Bi-directional Low Air Flow Thermal Mass Transmitter FDM06-L
Bi-directional Low Air Flow Thermal Mass Transmitter FDM06-L
Bi-directional Low Air Flow Thermal Mass Transmitter FDM06-L
Bi-directional Low Air Flow Thermal Mass Transmitter FDM06-L

Bi-directional Low Air Flow Thermal Mass Transmitter | FDM06-L

Bi-directional Low Air Flow Thermal Mass Transmitter – Overview

This thermal mass flow transmitter is based on the hot-wire principle, featuring bi-directional measurement. It is ideal for duct applications requiring bi-directional airflow monitoring. This transmitter reacts instantly to flow direction changes. It eliminates the need for dual transmitters, saving space and simplifying reverse flow measurement without reinstallation. It has dual temperature sensors, ideal for laminar flow/overflow.

Bi-directional Low Air Flow Thermal Mass Transmitter  – Features

  • Bi-directional measurement
  • High sensitivity for low airflow
  • Dual temperature sensors,
  • 2″ LCD colour screen
  • Easy settings via buttons
  • Screen displays airflow and air velocity, integrated with UI settings
  • Accuracy : ±1.0% pipeline withstands pressure of 16 bar
  • Multiple Outputs: Analogue output / Relay / RS-485
SKU: FDM06-L Categories: , Tags: , , ,

Description

Bi-directional Low Air Flow Thermal Mass Transmitter | FDM06-L

Input
Sensor type Hot-wire sensor
Turndown ratio 100 : 1
Measuring range ±(0.00 … 1.00 m/s)
±(0.00 … 2.00 m/s)
±(0.00 … 10.00 m/s)
*Deadband : 0… -0.5 m/s *Recommended range : 0.00 … 1.00 m/s for laminar and overflow monitoring.
Output
Output signal
4 … 20 mA / 0 … 10 V / Relay / RS-485
Signal connection 3-wire
Warm-up time 60 sec
Response time t90≦ 5 sec
Load resistance Current output : ≦500 Ω
Voltage output : ≧10 KΩ
Communication
Communication methods & protocol RS-485 Modbus RTU
RS-485 baud rate
9600、19200、38400、57600、115200 bps
Accuracy
Accuracy (Including hysteresis, non-linearity and repeatability)
0.05 … 1.00 m/s：±(1% of mv+0.05 m/s)
0.05 … 2.00 m/s：±(1% of mv+0.1 m/s)
0.1 … 10.00m/s：±(1% of mv+0.2 m/s)
Uncertainty of factory calibration ±1%
Installation angle effect <3 % mv for α <10°
Temp. influence 0.2%/°C
*The measurement range is defined at the standard condition(1013 mbar, 20°C). *mv = measured value
Environmental
Medium Air
Operating Temp. & Humid.
0 … 50°C / 20 … 90%RH(Non-condensing)
Storage Temp. -25 … +60°C
Operating pressure 16 bar : Duct type ø12
2 bar : Duct type ø8 / Remote type ø8
none : Laminar flow type ø8 / Overflow type ø8
Electrical
Power supply DC 24 V ±10%
Current consumption 24 V : 110 mA
Relay capacity Max current : 6 A
Max voltage : DC 24 V (DC 36 V Max)
Electrical connection M12 8P connector
Installation
Installation PT 1/2″ movable thread
Display
Display readout
-99.99 … +99.99 (Air velocity)
0 … 99999 (Air volume)
Decimal point Button
Sampling time 1 cycle/sec
Flow unit
m/s, ft/s, L/min, m³/min, m³/h
Response time adjustment range 0.5 … 300 sec
Certification
Certification CE
Protection
IP rating IP65(Housing)
Electrical protection
■ Reverse polarity ■ Over-voltag
Material
Housing Aluminum alloy / Plastic
Probe SUS304
Probe head PC with glass fiber
Weight Duct type : 340 g
Duct type ø12 : 440 g
Remote type (2 m cable) : 450 g
Laminar flow type : 300 g
Overflow type : 290 g

Bi-directional Low Air Flow Thermal Mass Transmitter | FDM06-L

Brand

eYc

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