Mass Flow Sensors - VA 570

  • Inline thermal mass flow meter with integrated measuring section
  • Measures flow, total consumption, and velocity
  • Stainless steel 1.4404 wetted parts
  • Robust impact-proof aluminum die-cast housing, IP67
  • Pressure range up to 232 psi, special version up to 580 psi
  • Media temperature range up to 356 °F
  • ATEX, IECEx, DVGW, and cULus-listed versions/options

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The VA 570 is an inline thermal mass flow meter with an integrated measuring section for compressed air and gases. It measures flow, total consumption, and velocity, with freely adjustable units and configurable gas types including compressed air, nitrogen, argon, carbon dioxide, oxygen, nitrous oxide, natural gas, helium, propane, methane, biogas, and hydrogen (H2). For hydrogen, the datasheet specifies that real gas adjustment D2 is required. The device has stainless-steel wetted parts, negligible pressure loss, a removable measuring head for cleaning or calibration, and optional bus interfaces including Modbus-RTU, Ethernet Modbus-TCP/PoE, M-Bus, HART, Profibus DP, Profinet, and IO-Link.

Use cases

  • Inline flow measurement in compressed air systems
  • Inline flow measurement in industrial gas systems
  • Hydrogen gas flow measurement, with real-gas adjustment required

Capabilities

  • Measures thermal mass flow in compressed air and gases
  • Provides flow, total consumption, and velocity values on the display
  • Allows gas type, inner diameter, serial number, and measured values to be accessed via Modbus-RTU
  • Supports configuration and diagnostics through the display, PI 500 hand-held device, or PC service software
  • Supports selectable gas types including hydrogen (H2)
  • Supports real-gas adjustment for selected gases
  • Removable measuring head allows cleaning or calibration without dismounting the measuring section
  • Supports threaded and flanged process connections
  • Supports optional integrated pressure sensor configurations for specified versions

 

CS INSTRUMENTS GmbH & Co. KG CS INSTRUMENTS GmbH & Co. KG, headquartered in Harrislee, Germany, is a leading manufacturer of measurement technology for compressed air and industrial gases, offering flow meters and gas quality sensors specifically validated for hydrogen applications. The company's VD series differential pressure flow meters (accuracy under 0.5% of measured value) and VA 550/VA 570 insertion flow meters are designed for accurate consumption measurement of hydrogen, natural gas, biogas, and other flammable gases, with ATEX certification (II 2G Ex db IIC T4 Gb) and DVGW approval for natural gas applications up to 16 bar. CS INSTRUMENTS' Vortex flow meters (VU and VX series) support high flow velocities and mixed gas applications, while all products are developed, produced, and calibrated in Germany with a global sales and service network. The company's measurement devices help industrial customers optimize energy efficiency, detect leaks, and monitor gas quality (humidity, particles, oil content) across compressed air and technical gas systems including hydrogen infrastructure.

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