Domestic Water Meters supplied by METEC
 
 
Contact Water Meter M-NRK/M-NSRK (Models 423/424)
Model 423

Model 424
 
Application
• Multi-jet impeller meter with pulse output contact for control, metering or remote display of flow rates
 
Features
• Cold water up to 30 °C (safe up to 50 °C)
• Horizontal installation
• Installation in rising pipes with housing
• Overall and connection dimensions to DIN ISO 4064
• Nominal diameters DN 20 - 50 mm
• Operating pressure PN up to 10 bar
• Especially low head loss and extended measuring range
• Records very small amounts of water consumption
• Withstands high load for short time periods
• Maximum long-term accuracy
• Forward and return metering
• External fine adjustment by regulating cocks
• Strainer insert in inlet connection for cleaning without damaging the seal
• Measuring data better than specified by calibration regulations
• Easily replaceable pulse contact
• Max. 24 V (SELV), 0.2 A
• Pulse contact with screw connection
 
Note
HYDROMETER model 423/424 contact water meters can be supplied calibrated if required. The meter is tested for compliance with the figures specified in the calibration regulations.