Due to various circumstances outside our control, we are currently facing extended lead times on some products. 

Please be aware our daily cut-off to ship orders on a next-day service is now 1:45 pm. 

Our last shipping day of 2021 is December 23rd, we will resume shipping on January 4th.  

KNX In Home Water Meters NZR Modularis WZK-M Cold (1,5 m3/h 110mm)

KNX In Home Water Meters NZR Modularis WZK-M Cold (1,5 m3/h 110mm)

Product code: 60201-75124115
The in home water meter is a package of the calibrated water meter from NZR and the impuls counting unit SK01- IMPZ1 from Arcus-EDS GmbH. The meter is approved by the PTB.
Price (Excluding VAT)


  • The internal lithium back up battery enables the functionality without KNX bus connection for over 5 years 
  • KNX sensors are set up using the ETS ( KNX Tool Software ) with the associated application program. 
  • The device is delivered unprogrammed.
  • All functions are parameterized and programmed by ETS.


  • Serial number
  • Accumulated volume in l or m3
  • Current flow rate in l or m3/unit of time
  • Current time
  • Current date
  • Last reference date
  • Last reference value
  • Next reference date
  • Consumption value
  • Consumption Reset
  • Consumption last reset date
  • Consumption last reset time

Technical Details


  • Operating Voltage:: EIB/KNX bus voltage 21 .. 32 VDC 
  • Power Consumption:: ca. 240 mW ( at 24VDC ) 
  • Auxiliary Supply:: not required 
  • Bus Coupler:: integrated 
  • Ambient Temperature Electronic Measuring Equipment Casing:
  • Operation: -20 .. +55 C 
  • Storage: -20 .. +85 C 
  • Start-up with ETS: ARC_IMPZ.VD2 
  • Circuit Points::: EIB-2-pole clamps ( red / black ) 
  • Protection Class:: IP65 
  • Assembly Type: Assembly with 2 screws finery 
  • Casing Type: Plastic housing grey 
  • Casing Dimensions: 115x65x50mm (WxHxD)I
Impulse Module
  • Bus Voltage: KNX Bus 21...30VDC
  • Bus Current Consumption: 10mA
Water Meter - Cold
  • Nominal Flow Rate: 1.5 m3/h
  • Nominal Diameter: 15mm
  • Maximum Flow Rate: 3m3/h
  • Installation Length: 80mm

Other Meter Sizes and Hot Water Models available on request



Technology KNX
Mounting Surface
Operating voltage KNX Bus (29VDC)