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VA525 Compact inline flow sensor
Germany- CS instruments
Description：
As the fluid passes over a heated sensor element, it removes heat and causes a temperature change. By measuring this temperature change, or determining the energy required to maintain a constant temperature of the heating element, the flow rate of the fluid can be accurately calculated.
The VA525 is a small thermal mass flow meter, ideal for monitoring gas consumption of individual machines. Its compact size allows it to be installed directly within machines, and it can transmit signals to a central control system via Modbus or 4–20 mA.
The VA525 Compact Thermal Mass Flow Meter can also be installed at distribution stations, various departments, or individual laboratory buildings to accurately measure gas usage for each user, facilitating usage calculation and cost allocation. Additionally, it can be used to monitor gas consumption per machine, helping to analyze machine efficiency, gas usage, and pipeline leakage.
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Gas Measured
- Compressed air – dried
- Nitrogen (N₂)
- Oxygen (O₂)
- Carbon dioxide (CO₂)
- Argon (Ar)
Advantage
- Compact size: Can be installed inside machines, ideal for monitoring machine gas consumption.
- Optional pressure monitoring: Can track air pressure used by machines.
- Direct mass flow measurement: Measures mass flow directly, with no need for temperature or pressure compensation.
- High accuracy: Provides excellent precision, especially in low flow ranges.
- Wide applicability: Suitable for various gases and liquids, including low flow measurements.
- No moving parts: Designed with no mechanical moving components, making it wear-resistant and low-maintenance.
Technical data
- Accuracy: ±1.5% of measured value (m.v.)
- Power supply: 18…36 VDC, 5 W
- Communication interfaces: 4–20 mA, Pulse, Modbus RTU (RS485), Modbus TCP (Ethernet), PoE
- Pressure rating: Up to 16 bar
- Temperature range: -30…+80 °C
- Protection rating: IP65
- Probe material: Stainless steel 1.4301
- Installation range: ¼"–2"
- Optional feature: Integrated pressure measurement function, accessible via communication interface
