Product Filter
Features
- In-situ measurement method and continuous dust measurement
- Qualitative dust measurement for function monitoring of filters
- Single-sided installation on duct
- No moving parts and robust design
- Easy commissioning, adjustment and maintenance without PC
- No purge air required
- Can be used in a flue gas pressure range of up to 500 hPa
- Installation on one side of stack without alignment
Benefits
- Compact solution with small housing and low system costs
- Space-saving design
- Easy installation and commissioning
- Low operating costs
- Suitable for harsh flue gas pressure conditions
Applications
- Qualitative dust measurement for function monitoring of filters
Technical Data
- Technical data
- Explosion protection
- System components
| Measuring principle | Triboelectric, in-situ measurement, single-sided installation |
|---|---|
| Measuring variable | Dust mass flow |
| Ambient conditions | Installation location: Indoor or outdoor installation*Temperature: -20 … +50 °C |
| Operating conditions | In duct:Temperature: -20 … 200 °C, optional 500 °C for D-FW 231Relative humidity: < 80%Relative pressure: -500 … +500 hPaFlow velocity: 7 … 40 m/sDust concentration: 1 … 25 or 20 … 400 mg/m³ |
| Inner duct diameter | Minimum 0.15 m |
| Interface | Analogue output: 1x 4 … 20 mA, maximum 500 OhmDigital input: 2x transistor input for zero point check, signal integration |
| Operation and display | Operating unit D-FW 230 B |
* Weather protection cover required for outdoor installation
See data sheet for further details
| ATEX (D-FW 240 EX) | II 2 G EEx d ib IIC T6II 2 G/D EEx d ib IIC T6 tD A21 ibD 21 IP 65 T 105 °C |
|---|
| Filter monitor D-FW 231 or | |
|---|---|
| Filter monitor D-FW 240 EX | |
| Operating unit D-FW 230 B |
USP
- High quality at a low price