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Danfoss SonoMeter 31

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Danfoss SonoMeter 31 Danfoss Energy Meters Energy Measurement

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Sonometer-31_user_guide.pdf (494.19 KB)
Danfoss_Sonometer-31_brochure.pdf (362.41 KB)

Danfoss Sonometer 31

The Danfoss SonoMeter 31 is a range of ultrasonic, compact energy meters intended for measuring energy consumption in cooling applications for billing purposes. Available in DN65 to DN100The meters are designed for remote meter read-out (AMR). SonoMeter 31 energy meters consist of an ultrasonic flow sensor, a pair of Pt500 temperature sensors and a calculator with integrated circuits for temperature measurement, flow calculation and energy calculation.

• Available in nominal flow rates qp 25, 40 and 60 m³/h
• DN65, DN80 and DN100 housings with flange connections
• MID approval for ultrasonic energy meter with dynamic range of 1:100 (qi:qp) in class 2
• Optional MID approved dynamic range of 1:250 (qi:qp) in class 2
• Temperature range 5–130 °C
• Short overload temperature up to 150 °C
• Operating pressure 25 bar as standard
• For 2 or 4 wire temperature sensors • Glycol mixtures as option (not MID certified)
• Calculator with IP65 protection class as standard
• Flow sensor with IP65 protection class as standard (IP67 for combine heating and cooling applications)
• Return or supply pipe installation, for vertical or horizontal mounting • Battery lifetime for at least 10 years
• Insensitive to dirt
• Remote reading via wired M-Bus, radio OMS 868 MHz, RS-485 Modbus RTU, pulse output, analog output and optical interface
• Two pulse inputs as standard (passive or active)
• Special option with 2 flow sensors, 2 pressure sensors and 3 temperature sensors measurement

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