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Specification
E3R
E3R Thermal energy · LoRaWAN Remove E3R
What it measures Flow and thermal energy
Typical use Fixed monitoring
Data connection LoRaWAN
Installation type Clamp-on
Pipe sizes DN20–DN80
Reviewed specifications
Flow velocity 0.03–5.0 m/s (0.1–16 ft/s)
Pipe sizes DN20, DN25, DN32, DN40, DN50, DN65, DN80
Flow accuracy ±2% of reading (0.3–5 m/s)
Energy accuracy Not specified; the catalog states the flow accuracy only
Repeatability 0.2%
Pipe material Carbon steel, stainless steel, PVC, copper
Communication RS485 with Modbus protocol
Wireless LoRaWAN
Power supply 10–36 VDC, 500 mA max.
Ambient temperature −10 °C to 50 °C (14 °F to 122 °F)
Transducer temperature 0 °C to 60 °C (32 °F to 140 °F)
Temperature sensor 0 °C to 100 °C (32 °F to 212 °F)
Ingress protection IP54
Transducer cable φ5 six-core cable, 2 m (6.6 ft) standard