Product Filter
D-FL 220
Volume flow measuring system
For continuous, contactless volume flow measurement in dry and humid gases. Reliable, even under demanding operating conditions.
Functionality: Ultrasonic transit time difference method
Features
- Continuous measurement of velocity and volume flow
- Contactless measurement
- Corrosion-resistant ultrasonic transducers
- Measurement over the entire duct diameter
- Automatic check functions
Benefits
- Certified for official emission monitoring
- Precise measurement of gas velocity and volume flow
- Suitable for measurement in humid and aggressive gases
- Long life time and high availability even under extreme plant conditions
- Low maintenance
Applications
- Continuous emission monitoring in humid and aggressive gases
- Continuous emission measurement in small to very large duct diameters
- Volume flow measurement for process control and process optimization
Technical Data
- Technical data
- System components
| 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
Accessories
- Mandatory
- Recommended
| D-TB 100 |
| D-ESI 100 |
| D-ISC 100 xx2 |