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CS Instruments VA 525 - Compact in-line flow sensor

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Flow sensor with integrated flow straightener / no inlet sections necessary. The newly developed VA 525 combines modern digital interfaces for connection to an energy monitoring system with a small, compact design.

Part Number: VA525

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Delivery date: 2-3 weeks

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Flow sensor with integrated flow straightener / no inlet sections necessary

The newly developed VA 525 combines modern digital interfaces for connection to an energy monitoring system with a small, compact design. Due to its reasonable price and modern digital interfaces this compact in-line flow sensor is used when many machines (compressed air consumers) are to be integrated as easily as possible into an energy monitoring network.

The high-contrast, integrated display also displays the current values rotated by 180° if desired (very useful for overhead installation). Depending on the configuration, two of the following values can be displayed:

Current consumption in m³/h, l / min, ...
Total consumption (meter reading) in m³, l, kg
Temperature measurement
Optional: Pressure measurement

Special Features

Compact, small design - for use in machines, behind maintenance unit at the end user
Optionally with classic analogue signals (4...20 mA and pulse) or digital interfaces such as Modbus RTU, Ethernet (also PoE), M-Bus
All interfaces are programmable via the display

Which compressed air flow meter should be used at which point?

How to implement a complete compressed air monitoring system within an industrial environment

The CS Instruments product portfolio includes measuring devices for numerous applications in compressed air and gas measurement for both small industrial companies and large OEM customers.

Technical Information
Parameters	m³/h, l/min (1000 mbar, 20 °C) in case of compressed air or Nm³/h, Nl/min (1013 mbar, 0 °C) in case of gases
Units adjustable via keys at display	m³/h, m³/min, l/min, l/s, ft/min, cfm, m/s, kg/h, kg/min, g/s, lb/min, lb/h
Sensor	Thermal mass flow sensor
Measured medium	Air, gases
Gas types are adjustable over CS service software or CS data logger:	Air, nitrogen, argon, CO2
Measuring range	See table above
Accuracy: (o. M. V. = of measured value) (o. F. S. = of full scale)	± 1.5% of m.v. ± 0.3 % of f.s. on request: ± 1% of m.v. ± 0.3% of f.s. or ± 6% of m.v. ± 0.5% of f.s
Pressure measurement	0…16 bar, accuracy: 1%, or 10…2000 mbar (abs)
Operating temperature	-20…60 °C
Operating pressure	Up to 16 bar
Digital output	RS 485 interface, (Modbus-RTU), M-Bus (optional) Ethernet interface or PoE
Analogue output	4…20 mA for m³/h or l/min
Pulse output	1 pulse per m³ or per litre electrically isolated. Pulse weight can be set on the display. Alternatively, the pulse output can be used as an alarm relay
Supply	18…36 VDC, 5 W
Burden	< 500 Ω
Housing	Polycarbonate (IP 65)
Measuring section	Aluminium
Connection thread of measuring sections	G 1/4" to G 2" (BSP British Standard Piping) or 1/2" to 2" NPT thread
Mounting position	any

Flow sensor with integrated flow straightener / no inlet sections necessary

Current consumption in m³/h, l / min, ...
Total consumption (meter reading) in m³, l, kg
Temperature measurement
Optional: Pressure measurement

Special Features

Compact, small design - for use in machines, behind maintenance unit at the end user
Optionally with classic analogue signals (4...20 mA and pulse) or digital interfaces such as Modbus RTU, Ethernet (also PoE), M-Bus
All interfaces are programmable via the display

CS Instruments VA 525 - Compact in-line flow sensor

Flow sensor with integrated flow straightener / no inlet sections necessary

Special Features

Which compressed air flow meter should be used at which point?

How to implement a complete compressed air monitoring system within an industrial environment

Technical Information

Flow sensor with integrated flow straightener / no inlet sections necessary

Special Features

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