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Hot water meter MTWD-M-ST and MTWD-N-ST

Multi-jet dry dial meter for hot water with flood-proof (IP68) hermetically sealed glass/copper register in a standpipe design

The current state of development of the MTWD-M-CC-ST guarantees the most precise measurement results, minimal bearing load and a long service life.

The MTWD-M-CC-ST is ideally suited to measuring tasks at temperatures up to 90 °C and fits perfectly into all installation locations provided for standpipe meters. By using special materials, outstanding measurement readings can be combined with a high maximum temperature. The register of the ST variants also works in horizontal position.

The meter is equipped with an 8-digit glass/copper register (IP68) and a modulator disc. This enables electronic, non-reactive scanning and is the basis for remote reading of meter data via radio with LoRaWAN® or wM-Bus. A combined M-Bus/pulse module is also possible.

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Product images

Hot water meter MTWD-ST in a standpipe design
Hot water meter MTWD-ST in a standpipe design

Information

Hot water meter MTWD-M-ST and MTWD-N-ST
Downloads

Performance characteristics in overview

  • Multi-jet dry dial meter with shielded magnetic coupling
  • Water meter for standpipe installation
  • Equipped with glass/copper register (IP68) as standard
  • Brass body according to Federal Environment Office (UBA) list
  • Register rotatable 355°
  • Operating pressure MAP 16
  • Approved in accordance with MID

Applications

For the consumption measurement of hot and clean drinking water or service water up to 90 °C

AMR options

  • As standard with communication interface for EDC modules (Electronic Data Capture):
    • EDC LPWAN radio module (868 MHz) for LoRaWAN®
    • EDC wireless M-Bus radio module
    • EDC- combined M-Bus and pulse module

Product options

Measuring Principle
  • Multi-Jet Meters
Register
  • Dry Dial
  • Dry Dial protection class IP 68 ("Copper Can")
Housing Material
  • Brass
Nominal Flow Q3 (≈ Qn)
  • Q3=6 (≈ Qn 3,5)
  • Q3=10 (≈ Qn 6)
  • Q3=16 (≈ Qn 10)
  • Q3=4 (≈ Qn 2,5)
Nominal Diameter DN (mm)
  • DN 20
  • DN 25
  • DN 40
Nominal Diameter (inch)
  • 3/4"
  • 1"
  • 1 1/2"
Length without connectors
  • 105 mm
  • 150 mm
  • 200 mm
Metrological Class horizontal (max.)
  • R 80
Metrological Class vertical (max.)
  • R 40
Communication Technologies
  • Combined M-Bus and pulse module
  • Radio via LoRaWAN®
  • Radio via wireless M-Bus
  • Electronic Pulser
  • Reed Pulser
  • M-Bus
Temperature
  • Hot water up to 90 °C
Operating pressure (max.)
  • MAP 16
Additional Options
  • Copper Can (IP 68)
  • Modulator Disc for inductive sensors
Specified Units on Display
  • Cubic Meters (m³)

Downloads

You can download a PDF Viewer from acrobat.adobe.com to view PDF files.

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