Suitability tested and certified ultrasonic measuring system to measure the velocity and the volume flow of flue gas or process gas in pipes or ducts, especially for wet and aggressive smoke emissions.
D-FL 220 Volume Flow Measuring System
Description
Suitability tested and certified ultrasonic measuring system to measure the velocity and the volume flow of flue gas or process gas in pipes or ducts, especially for wet and aggressive smoke emissions.
Overview
- Non-contact measuring method
- Measurement possible below dew point and for high dust concentrations
- Continuous measurement of normalized volume flow and gas velocity
- Automatic zero point and reference point control
- Convenient operation via remote access with web interface
- Operation with or without control unit
- Very low maintenance
Your Benefit
- Certified for official emission monitoring
Type approved according to EN 15267-3, compliant with the requirements of 40 CFR 60 US-EPA PS-6 - Precise velocity and volume flow monitoring
Ultrasonic technology allows for precise measurement of flow speed in the complete measuring range - Suitable for harsh flue gas conditions
Non-contact measurement with purge air cushion technology allows for volume flow and velocity monitoring in wet and aggressive flue gases - High durability
No moving parts stand for low maintenance costs and a long lifetime - Designed for a wide range of environmental conditions
Corrosion-free plastic housing with a high IP rating and a broad ambient temperature range - Reliable emission monitoring
Automatic control functions ensure reliable measuring values
Applications
Suitable for velocity and volume flow measurement
- Volume flow measuring at low speeds
- Plants with damp and/or aggressive exhaust gas
- Volume flow measurement at high dust content
Industries
- Plants requiring official approval acc. to IED 2010/75/EU
- Plants requiring compliance to 40 CFR 60 US EPA PS6
- Emission trading of green house gases GHGÂ acc. to 2003/87/EG /Â MRR
- Power industry
- Biomass incineration
- Waste incineration
- Cement industry
- Crematories
- Process monitoring
Technical Data
| Flue gas type | Air, flue gas, non flammable process gas |
| Flue gas temperature | -40 … 300 °C |
| Inner stack/duct pressure (relative to ambient pressure) | -50 … +20 hPa |
| Flue gas relative humidity | 0 … 100 % RH, condensation allowed |
| Flue gas flow velocity | 0 … 40 m/s |
| Stack/duct inner diameter | 0.5 … 13 m, temperature dependent |
| Measuring principle | Measurement of direction-dependent transition times of ultrasonic pulses, thereof calculation of flow speed and volume flow |
| Conformities | 2010/75/EU 13., 17., 27., 30. BImschV TA Luft EN 14181 EN 15267-1, -2, -3 DIN EN 16911-2 40 CFR 60 US EPA PS6 |
| Certificates | CE, QAL1 (DIN EN 14181 / DIN EN ISO 14956 / DIN EN 15267-3), MCERTS, EAC |
| Measuring location | In-situ, non-contact. Mounted at stack, measurement across the stack, purged sensors are not in contact with flue gas |
| Measuring path length | 1 … 15 m, temperature dependent |
| Measuring angle | 45° ±15° relative to the flow direction |
| Self-check, protective functions | Automatic internal self-test Automatic zero- and span check |
| System components | D-FL 220 MK measuring device transmitter D-FL 220 MK messuring device receiver D-FL 220 SPF purge flange D-FL 220 E mounting flange with tube (option) D-ISC 100 universal operating unit (option) D-TB 100 terminal box (option) D-BL pure air unit (option) Accessories |
| Physical measuring value | Direction-dependent transition time of ultrasonic pulses |
| Derived measuring values | Flow velocity and direction, volume flow at operating conditions or normalized |
| Measuring range gas velocity | 0 … 40 m/s |
| Output range gas velocity | Freely programmable |
| Measuring range volume flow | 0 … 5000000 Nm3/h |
| Output range volume flow | Freely programmable |
| Measuring range temperature | 0 … 400 °C |
| Output range temperature | Freely programmable |
| Resolution | 0.1 m/s |
| Lowest detection limit | 0.2 % of the certified measuring range |
| Combined standard uncertainty acc. to QAL1, DIN EN 14181 |
0.34 m/s |
| Integration time | 1 … 180 s, freely programmable |
| Process connection | D-FL 220 E mounting tube with flange, DN80 PN6, tube ID = 100 mm |
| Digital interfaces | RS 485 Modbus RTU, bi-directional communication, USB (Service) |
| Analog outputs | 1 x 4 … 20 mA, 400 Ohm, isolated, assignment parameterisable |
| Digital outputs | 2 x contact NC/NO, permissible load 60 VDC / 30 VAC / 0.5 A, function can be assigned. Typically: maintenance, failure |
| Power supply | Sensor supply voltage 24 VDC ±10 %, 0.5 A |
| Ambient temperature (operational) | -40 … +70 °C |
| IP protection class (IEC 60529) | IP65 |
| Dimensions (HxWxD) | Measuring head housing: 113 x 84 x 188 mm (190 x 190 x 330 mm with purge air flange) Measuring probe (DxL): 110 x 230 … 2270 mm, other on request |
| Weight | 6.5 kg (sensor head 610 mm with purge air flange, weight depending on version) |
| Material | Housing: Polyamide, RAL 5017, Ultrasonic transducer: PA6.6, PBT, FRP, both fire class B1 (UL 94 V0), Process parts: Stainless steel 1.4571 (316 Ti) |
| Mechanical interfaces | Purge air connector OD = 40 mm |
| Air supply capacity | 10 … 40 m3/h (per measuring device) |
| Process connection | DN80 PN6 |
| Dimensions (HxWxD) | 190 x 200 x 90 mm |
| Weight | 2.9 kg |
| Material | Stainless steel 1.4571 (316 Ti) |
| Process connection | DN80 PN6 |
| Dimensions (HxWxD) | 108 x 335 … 2135 mm |
| Weight | 5.5 kg (L = 335 mm, depending on version) |
| Material | Stainless steel 1.4571 (316 Ti) GFK (Durabest 180) |
Accessories
The universal operating unit D-ISC 100 allows the connection of several DURAG devices. It allows parameterisation and maintenance of all connected devices via integrated keypad or a connected PC and also supports remote access via intranet or internet connection.
Our D-ESI Service and Parameterisation Software  assists you to manage all your DURAG sensors connected in one network system via a uniform graphical Interface.
Supply unit
- D-TB x00Â in various versions
- for voltage supply of one DURAG sensor
- different housings available
- version with integrated purge air blower available
Please contact your sales representitive for more information.
Purge air blower
- D-BL xx in various versions
- for supplying the measuring head with purge air
- weather protection cover available as an option
Please contact your sales representitive for more information.
We offer various accessories such as weather protection covers for your sensor, mounting flanges and so on to fit your application and to have all components from one source.
Resources
GENERAL INFORMATION
Product overview emission monitoring / DE (4 MB)
Product overview emission monitoring / EN (4 MB)
Guidance book EU regulations / DE (4 MB)
Guidance book EU regulations / EN (3 MB)
