详情
VA 520 - Thermal mass flow meter for flow measurement
Flow meters for compressed air as well as various technical gases
Record and reduce your energy costs and increase your sustainability with the VA 520. Monitor your consumption and analyze your leakages with a permanently installed flow meter in distribution stations, in front of individual departments or for billing purposes of individual consumers.
Advantages of the VA 520 flow meter:
- Measurement of mass flow rate, output of standard volume flow rate
- High accuracy for both small and large flows
- Pressure and temperature compensated by the thermal mass flow principle
- Easy installation and removal of the sensor, the integrated measuring section can remain in the line for cleaning or recalibration of the sensor and can simply be closed with a sealing cap
- No moving parts, therefore low maintenance
- Vanishingly low pressure loss due to vanishingly low blockage of the diameter
- Can be used for compressed air and non-corrosive gases such as nitrogen, oxygen, argon, helium, etc.
Technical details:
- 04...20 mA, pulse and a Modbus RTU (RS 485) interface as standard, optional interfaces such as Modbus TCP (Ethernet), PoE, M-Bus
- Optional interfaces such as Modbus TCP (Ethernet), PoE, M-Bus
- Optional: Bi-directional measurement
- Pressure range up to 40 bar
- Temperature range from -30 to 80°C
- Protection class IP65
- Integrated display to show the measured values
- Can be used from DN 8 to DN 80
- Settings adjustable via the keys of the display
- Main counter reading can be reset via the display
- For velocities up to 224 Nm/s
- Highly accurate with an accuracy of ± 1.5% or ± 1% of the measured value - as well as ± 0.3% of the final value
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