D-FL 200 Volume flow measuring system
Suitability-tested and certified ultrasonic sensor system to measure the velocity and the volume flow of flue gas or process gas in pipes or ducts.
Two identical sensors transmit and receive ultrasonic pulses alternately. The flow velocity of sample gas is precisely calculated from the transit time difference dependant on the direction. Taking into account the cross-section of the stack, the gas temperature and absolute pressure the flow rate is calculated in parallel.
D-FL 200 performs automatic check cycles and requires extremely low maintenance.
-
D-FL 200
- In situ measurement, continuous measurement
- Measurement even in wet or dust-laden flue gas
- Allows calibration to measure the volume flow
- Also suitable for thick-walled stone / insulated ducts
- Automatic zero and reference point check
- Sensors are purged and are therfore not in contact with sample gas
- Easy installation, adjustment and maintenance without a PC
- Local control unit with LCD screen for data display
- Optional connection of temperature and pressure sensors
- Normalization of the flow measurements as an option
- Very low maintenance
- Applications
- Certifications
- Technical data
- Downloads
Suitable for velocity and volume flow measurement
- at incinerators in general
- at installations in accordance with 2000/76/EC WID / 17 BImschV
- at garbage, hazardous waste and sewage sludge incinerators,
- at facilities for cement production
- at installations in accordance with 2001/80/EC LCPD / 13 BImschV / Clean Air Act
- at power stations with gas, oil, coal or co-firing
- at converter plants and asphalt mixing plants
- at installations for the incineration of biomass
- at facilities pursuant to 27th BImschV
| D-FL 200 Application Data | |
|---|---|
| measurements | flow velocity volume flow, at operating conditions or normalized |
| sample gas | air, flue gas, non flammable process gas |
| flow velocity | 0 .. 10 / 20 / 40 m/s |
| duct diameter** | 0,5 - 10 m |
| sample gas temperature** | -20 to 120 / 150 / 200 / 250 / 300°C, others on request |
| sample gas pressure (relative to ambient pressure) |
-50 to +20 hPa, others on request |
| sample gas moisture | 0 - 100 % rel. humidity, condensation allowed |
| ambient temperature | -20 to 50 °C, others on request |
| conformity | 2000/76/EG WID / 17. BImschV 2001/80/EG LCPD / 13. BImschV 27. BImschV |
| D-FL 200 Technical data | |
|---|---|
| measuring principle | evaluation of transition times of ultrasonic pulses dependant on direction and subsequent calculation of flow speed and volume flow |
| type | mounted at stack, measurement cross stack, purged sensors are not in contact with sample gas |
| system components | D-FL 200 MK measuring head D-FL 200 SPF purge flange D-FL 200 E mounting pipe with flange D-FL 200-10 AW /D-FL 200 AG evaluation unit D-BL purge air unit accessories |
| measuring path** | 1,2 - 11 m |
| orientation of the measuring path | 30 - 60° to flow direction, typically 45° |
| measuring range | 0 to 40 m/s, 0 - 4...3.000 * 103 Nm3/h any range within the measuring range can be assigned to the analog output |
| delay time | > 1s … 180s, programmable |
| resolution | 0,1 m/s |
| expanded uncertainty EN14181 / EN ISO14956 / EN15267-3 |
better than 1,1 m/s at range 0 - 20 m/s, the accuracy depends on installation, measuring path, flow profile and the accuracy of the reference measurement used for calibration |
| process connection | D-FL 200 E mounting pipe with stop ring and flange, similar to DN80 PN6, pipe DI=100 |
| D-FL 200 MK2(3) measuring head | |
|---|---|
| ambient temperature | -20 ... 60°C, others on request |
| supply | 24 VDC +- 10%, ca. 0,25 A |
| protection | IP 65 |
| dimensions (h x w x d) | 130 Ø x 260...2300mm the length is depending on version |
| weight | depending on version |
| material | housing: Al, painted, ca. RAL5017 process parts: 1.4571 transducer: PA6.6, PBT, FRP fire class: B1 (UL 94 V0) |
| D-FL 200 SPF purge flange | |
|---|---|
| weight | depending on version |
| material | 1.4571 / 316Ti |
| flange | similar to DN80 PN6 |
| purge air connection | od=40mm |
| purge air requirements | 10 ... max. 40 m3/h for each measuring head |
| D-FL 200 E mounting pipe with flange | |
|---|---|
| weight | depending on version |
| material | 1.4571 / 316Ti FRP (Durabest 180)* |
| flange | similar to DN 80 PN 6 |
| pipe | id=100mm, L=335 ... 2135mm (steps 200mm) |
| D-FL 200-10 AW + D-FL 200 AG evaluation unit | |
|---|---|
| ambient temperature | -20 to 50°C |
| analog output | 2 x 4-20 mA / 500 Ohm, RS 485 - Modbus RTU*, Profibus DP* |
| status output | 6 relay output, max. load 48 V / 0,5 A |
| analog input | 2 x 4 - 20 mA, for temperature-, absolute pressure transmitter |
| status input | 6 x input for external dry contact |
| service interface | RS 232 |
| service program | D-FL 200 COM |
| power supply | 230 VAC, 48 - 62 Hz, 50 VA 115 VAC, 48 - 62 Hz, 50 VA* versorgt D-FL 200 MK mit 24VDC |
| protection | IP 65 |
| dimensions (h x w x d) | ca. 250 x 270 x 220 mm |
| material | Al-cast alloy, painted RAL 5017 |
| D-BL blower unit | |
|---|---|
| purge air supply | max. 40/60 m3/h at dPtot 50/25 hPa, others on request |
| supply | 115 / 230 VAC, 50 / 60 Hz, 0,37 / 0,43 kW, others on request |
| protection | IP 55 |
| dimensions (H x B x T) | 480 x 450 x 320 mm |
| weight | 12 kg |
| material | 1.4301 |
| remarks | * Variants ** max. measuring path length depends on the sample gas temperature. Subject to technical modifications! |
| remarks | |
|---|---|
| * Variants ** max. measuring path length depends on the sample gas temperature. Subject to technical modifications! |
