Durag D-FL 220 Volume Flow Measuring System

For continuous, contactless volume flow measurement in dry and humid gases. Reliable, even under demanding operating conditions.

CE, QAL1 (DIN EN 14181 / DIN EN ISO 14956 / DIN EN 15267-3), MCERTS, EAC

Brand

Measuring principle	Ultrasonic transit time difference method, in-situ measurement, continuous measurement, double-sided installation, contactless measurement
Measuring variable	Volume flow (operation), volume flow (standardized), velocity, temperature
Measuring range	Velocity: 0 … 40 m/sVolume flow: 0 … 5,000,000 m3/h
Certified measuring range	0 … 30 m/s
Ambient conditions	Ambient temperature:-40 … +70 °C (measuring device)-40 … +60 °C (certified)Relative humidity: 0 … 95 %, non-condensing
Operating conditions	In duct:Temperature: Maximum 300 °CRelative humidity: 0 … 100 %, condensation permissibleRelative pressure: -50 … +20 hPa
Dimensions	Inner duct diameter: 0.5 … 14 m, depending on the operating conditions in the ductWall thickness: Maximum 800 mm
Interfaces	Analogue output: 1x 4 … 20 mA, maximum 400 Ohm, potential-freeDigital output: 2x NC/NO, maximum 60 VDC, 30 VAC, 0,5 AModbus RS 485 RTU, USB
Operation and display	Software D-ESI 100, operating unit D-ISC 100, status LED
Check functions	Automatic zero point and reference point measurement
Nominal voltage	24 VDC
Degree of protection	IP65

2 measuring devices D-FL 220
Purge air unit D-BL
Terminal Box D-TB 100
Software D-ESI 100* or
Operating unit D-ISC 100**
Weather protection (optional for outdoor installation)

* Enables remote access via web interface, PC with Windows operating system required
** Additional interfaces with D-ISC 100 operating unit