VA 520 - Thermal mass flow meter for flow measurement
for Compressed air / gases. New Digital electronics - improved Accuracy.
Details
- All wetted parts are made of stainless steel, especially for applications with high demands on cleanliness and surface quality
- Robust aluminium housing enables use in harsh industrial environments
- Recommended for flammable gases such as Natural gas, hydrogen, Biogas, etc. due to ATEX or DVGW approval
- Measuring the mass flow, direct output of the Standarized volume flow
- Highly accurate for both small and large flows
- Pressure and temperature-compensated thanks to the thermal mass flow principle
- Quick and easy installation via a standard ½'' Ball valve
- No moving parts, therefore Low maintenance
- Disappearingly low pressure loss, as the blockage of the diameter is negligible
- 04...20 mA, pulse and a Modbus RTU (RS 485) interface as standard, optional interfaces such as Modbus TCP (Ethernet), PoE, M-Bus
- Pressure range up to 50 bar, special version up to 100 bar
- Media temperature range up to 180 °C (ATEX version up to 120 °C)
- Protection class IP 67 (IP 64 for ATEX II 2D Ex tb IIIC T90°C Db)
- Integrated display for showing the Measured values
- Suitable as insertion version for 3/4" to DN 1000
- Simple installation under pressure
- Settings can be adjusted using the buttons on 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
V.01
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Accessories
Hot tapping saddles
If there is no measuring point with 1/2 ball valve on existing pipes, a measuring point can be set up quickly and inexpensively using hot tapping saddles.
Drilling jig for set up a measuring site
This Drilling jig can be used to set up a measuring site after welding on a 1/2" threaded socket and then installing a 1/2" Ball valve.
High-pressure protection
This additional device is used to install CS sensors from the VA 500 series under Pressure and to fix them securely in place.
Thickness meter CS 0495
enables quick, easy and accurate measuring of the wall thickness of pipes.