VA 520 – Thermal mass flow meter for flow measurement
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- Measures mass and standard volume flow
- Easy sensor installation and removal
- Low pressure loss with minimal blockage
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.
- 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.
Specs
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A versatile and highly precise flow measurement solution, ideal for gases, featuring easy installation, robust pressure and temperature handling, and advanced communication options.
Pipe Size
DN 8 – DN 80
Flow Range
For velocities up to 224 Nm/s
Accuracy
± 1.5% or ± 1% of measured value
± 0.3% of the final value
Pressure Range
Up to 40 bar
Temperature Range
From -30°C to 80°C
Outputs & Comms
04…20 mA, pulse, Modbus RTU (RS 485)
Optional: Modbus TCP (Ethernet), PoE, M-Bus
Operating Temp Range
From -30°C to 80°C
Power
Optional PoE (Power over Ethernet)
Approvals
Protection class IP65
Connection Type
Integrated display for settings and counter reset
Additional Features
Optional bi-directional measurement
Settings adjustable via display keys