Qalcosonic Axioma - W1 DN15 Q3 Ultrasound H2O Flow Meter - EU 868 MHz

Ultrasonic water meter QALCOSONIC W1 is designed for accurate measurement of cold and hot water consumption in households, apartment buildings, and small commercial premises. 

The first ultrasonic water meter with the integrated Narrow-Band-IoT (NB-IoT) technology in Europe. Static method of water consumption measurement, no moving parts High accuracy calculation of water consumption 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 1l/h NB-IoT and AMR, NFC, LoRa technology ready - Temperature class T30, T50, T30/90, T90 - Nominal flow 1.6 / 2.5 / 4.0 / 6.3 / 10 / 16 / 25 / 40 m≥/h 

- Wide measurement range Q3/Q1 = R - 250/400/800 (optional) 

- No straight sections required 

- Installation in any position 

- No measurement of air 

- Environment class E2/M1 

- Protection class IP68 

- Nominal pressure PN16 (PN25 for flange version) 

- Internal datalogger 

- A maintenance-free device, battery lifetime more than 16 years 

- 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 

- Strainer and backflow valve (optional) OIML R49 Compliant / EN ISO 4064 RoHS Directive Reach