APPLICATION 

Ultrasonic water meter QALCOSONIC W1* is designed to accurately measure cold and hot water consumption in households, apartment buildings, and commercial premises.

* - Qalcosonic W1 modification for Belgium, Netherlands, France, Germany, Denmark, Norway, Finland, Poland, Sweden.

• Static method of water flow measurement, no moving parts
• Very high metering accuracy
• Eliminates measuring deviations caused by sand, suspended particles or air pockets
• Long-term measurement stability and reliability
• 9 digits, multi-line LCD. Total volume and instantaneous flow rate indication
• Sensitive and accurate in low flows, down to 1 l/h
• Ready for AMR with NFC, wM-Bus, LoRaWAN and NB-IoT technologies 

AMR READY 

• wM-Bus 868 MHz OMS T1

• LoRaWAN (EU863-870, IN865-867)

• NB-IoT (CoAP)

• NFC

APPROVALS 

• MID (2014/32/ES) 
• LoRaWAN compliance certificate 
• OMS compliance certificate 
• WRAS (UK)
• ACS (France)
• ICIM (Italy)  
• KIWA (Netherlands) 

TECHNICAL FEATURES

• Temperature class T30, T50, T30/90, T90
• Nominal flow 1.6 / 2.5 / 4.0 m³/h
• Wide measurement range Q3/Q1 = R 80/160/250/315/400/500/800 (optional)
• No straight sections are required before or after the meter 
• Installation in any position (vertically, horizontally, diagonally) 
• No measurement of air
• Environment class E2/M1
• Protection class IP68
• Nominal pressure PN16
• Internal datalogger
• Maintenance-free device, battery lifetime up to 16 years * depending on communication settings 
• Bi-directional flow measurements
• Flow direction indication
• Meter parameterisation and archive reading via NFC or optical interface
• Durable composite body
• Measurement units: m³-m³/h