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CS VA 525 Compact Thermal Mass Flow Meter
CS VA 525 Compact Thermal Mass Flow Meter

CS VA 525 Compact Thermal Mass Flow Meter

1 minute, 48 seconds Read

CS Instrument

Thermal Mass Flow Meter

In Line Flow meter

Air Flow Meter

Model VA 525

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.

Feature

  • 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
  • Current consumption in m³/h, l/min,…
  • Total consumption (meter reading) in m³, l, kg
  • Temperature measurement
  • Optional: pressure measurement
  • Easy installation in existing piping through integrated measuring block (suitable for 1/4 ̋, 1/2“, 3/4 ̋, 1“, 1 ¼ ̋, 1 ½“ or 2″ lines)
  • Display values can be rotated 180° in the display, e. g. when installing overhead

Specification

Parameters m³/h, l/min (1000 mbar, 20 °C) in case of compressed air resp. 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
Meas medium Air, gases
Gas types over CS Service Software or CS Datalogger adjustable Air, nitrogen, argon, CO2, oxygen
Accuracy (f. M. = from the measured value) (f. E. = from end value)
± 1,5 % of m. v. ± 0,3 % of f. s.
By 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%
Operating temp. -30…80 °C
Operating pressure Up to 16 bar
Digital output RS 485 interface (Modbus RTU), M-Bus (optional) Ethernet interface or PoE
Analog output 4…20 mA for m³/h resp. l/min
Pulse output 1 pulse per m³ or per liter galvanically isolated. Pulse value adjustable on the display. Alternatively, the pulse output can be used as an alarm relay.
Power supply 18…36 VDC, 5 W
Burden < 500 Ω
Housing Polycarbonate (IP 65)
Meas. section Aluminium
Mounting thread meas. section:
G 1/4“ to G 2“ (BSP British standardpiping) resp. 1/2“ to 2“ NPT-thread
Mounting position: Any

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