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EW773 Series Kits

EW773 Series Kits

Static compact hydronic meter with electronic measurement based on the ultrasonic principle, consisting of electronic energy calculator, ultrasonic...

Product Description

Static compact hydronic meter with electronic measurement based on the ultrasonic principle, consisting of electronic energy calculator, ultrasonic flowmeter and temperature sensors.
Metering of hydronic heating and/or cooling energy in hydronic systems based on volume, supply and return temperature.

Technical Properties

Approvals MID (for heating)
Medium heating or chilled water
Maximum operating pressure 16 bar
Media temp. 5 ... 105 oC
Measuring process ultrasonic
Display functions LCD, 8-digit
Power source Lithium battery with 11 years lifetime
Interface M-Bus
Interface type Retrofittable (factory installed)
Dynamic range 1:250
Features
  • Kit including meter with suitable pipe fittings as well as sensor fittings or immersion pockets
  • Suitable for both heating and chilled water
  • With factory installed M-Bus module and one free slot for additional plug and play communications modules

Products

Product Type Medium
Connection
DN size
Maximum operating pressure
Media temp.
Nominal flow (qp)
Length
Interface
Interface type
EW7731M Ultrasonic hydronic meter for heating and cooling applications; with M-Bus module

EW7731M1200/K1
heating or chilled water G 3/4 110 mm 16 bar 5 ... 105 oC 1.5 m3/h 110 mm M-Bus Retrofittable (factory installed)

EW7731M2000/K1
heating or chilled water G 1 130 mm 16 bar 5 ... 105 oC 2.5 m3/h 110 mm M-Bus Retrofittable (factory installed)

EW7731M3600/K1
heating or chilled water G 1 1/4 260 mm 16 bar 5 ... 105 oC 6 m3/h 110 mm M-Bus Retrofittable (factory installed)

EW7731M4600/K1
heating or chilled water G 2 300 mm 16 bar 5 ... 105 oC 10 m3/h 110 mm M-Bus + pulse in Retrofittable (factory installed)