FDM6L Bi-directional Low Air Flow Thermal Mass Transmitter

Features : Ultra-low flow detection with reverse flow alert
Sensor type : Hot-wire sensor
Turndown ratio : 100 : 1
Measuring range : ±(0.00 ... 2 m/s)
Output : 4 ... 20 mA / 0 ... 10 V / Relay / RS-485
Accuracy : 0.05 ... 2.00 m/s：±(1% of mv+0.1 m/s)
IP rating : IP65

● Based on the thermal mass flow sensing principle, featuring bi-directional measurement.
● Highly sensitive to low airflow, using dual temperature sensors for detection; designed for laminar flow and differential pressure (positive/negative) control.
● 2″ LCD color screen with easy configuration via buttons.
● Displays air velocity and airflow, integrated with UI settings.
● Accuracy : ±1.0%
● Multiple Outputs: Analog output / Relay / RS-485

datasheet-FDM6L-cn-5DM6L-00

datasheet-FDM6L-en-5DM6L-01

Overflow Flow Monitoring ( 0.20 m/s) / Laminar Flow Monitoring ( 0.20 ... 0.50 m/s) / Semiconductor / Pharmaceutical / Food and Beverage / Laminar Flow Control / Overflow Control / Positive and Negative Pressure Control / Energy / Environmental Protection / Factory Automation / Pharmaceutical
*Recommended range : 0.00 ... 2.00 m/s for laminar and overflow monitoring.