MTWD
MTWD is a multi-jet dry dial meter for hot water up to 90° C
The MTWD is a multi-jet dry dial meter for hot water up to 90° C. The MTWD water meter is ideally suited for measuring tasks at temperatures up to 90° C. By using special materials in the hot water version of the multi-jet dry dial meter, we can combine outstanding measurement readings with a high maximum temperature.
The MTWD is equipped with the new ZENNER D-register. MTWD is available in two versions: MTWD-N with 7-digit rollers and magnet pointer for pulse output. MTWD-M with 8-digit rollers register and modulator disc for non-reactive scanning for radio, M-Bus or pulse. MTWD is available in unpainted housing as standard.
Performance Characteristics
- Dry dial register with shielded magnetic coupling
- Operating temperature up to 90°C
- Operating pressure PN 16
- Water meter for horizontal and vertical installation
- Register available as copper can version (IP 68)
- Version MTWD-N with pulse output (reed) for remote readout
- Standard pulse value 10 l/pulse, optional 1 l/pulse available
- Version MTWD-M with modulator disc for non-reactive scanning
- All MTWD versions are approved in accordance with MID
Product Features
| Measuring Principle | Multi-Jet Meters |
| Length without connectors | 165 mm 170 mm 190 mm 260 mm 300 mm |
| Housing Material | Brass |
| Register | Dry Dial Dry Dial protection class IP 68 |
| Nominal Flow Q3 (≈ Qn) | Q3=2,5 (≈ Qn 1,5) Q3=4 (≈ Qn 2,5) Q3=6,3 (≈ Qn 3,5) Q3=10 (≈ Qn 6) Q3=16 (≈ Qn 10) |
| Nominal Diameter DN (mm) | DN 20 DN 25 DN 32 DN 40 |
| Nominal Diameter (inch) | 1" 1 1/4" 1 1/2" 2" |
| Temperature | Hot sanitary water up to 90° C |
| Specified Units on Display | Cubik Meters (m³) |
| Additional Options | Copper Can (IP 68) Modulator Disc for inductive sensors |
| Metrological Class horizontal (max.) | R 80 |
| Metrological Class vertical (max.) | R 40 |
| AMR Technologies | Reed Pulser Electronic Pulser M-Bus Radio via wireless M-Bus |
| Operating Pressure (max.) | PN 16 |
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