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M-Bus - Industrial gas meter

Compressed air and natural gas meters with M-Bus - now directly from the manufacturer.

CS Instruments GmbH & Co. KG was the OEM-manufacturer of the ENDYS AIR compressed air meter with M-Bus from 2010 to the end of 2017. The so called ENDYS AIR products are marketed exclusively through Hochhut GmbH, wich now collaborate with another manufacturer.

As former OEM-manufacturer of those products, we offer the successor of those products now directly.

Our successor product of the proven industrial gas meter with M-Bus gives you all necessary possibilities of digitization and therefore is the ideal consumption meter for Industry 4.0.

The products of the well-known ENDYS AIR company Hochhuth have been metrologically improved and completely revised and in addition to the M-Bus interface also have the following additional outputs or bus systems:

  • Modbus RTU
  • Modbus TCP or TCP PoE
  • Profibus, Profinet
  • 4..20 mA and pulse
  • Hard (in preparation)

The VA 520, VA 500, VA 550 and VA 570 industrial gas meters with M-Bus are the ideal compressed air meters or consumption meters for natural gas, biogas, methane, nitrogen, argon, carbon dioxide for consumption measurement and flow measurement.

VA 520, VA 500, VA 550, VA 570 with M-Bus are ideal for conversion or retrofitting and for new installations of gas meters, compressed air meters, flow meters, etc. to existing or new energy management software according to DIN ISO 50001 and DIN ISO 16247 and building management systems.


  • Direct display in Nm3/h, or NI/min and temperature in C°
  • Calorimetric measuring principle - no additional pressure and temperature measurement necessary
  • High measurement accuracy ¼ to 3 inches
  • VA 500 and VA 550 insert version from ½ inch to DN 400 / DN 500

M-Bus - Industrial gas meter



Zindelsteiner Straße 15
D-78052 VS-Tannheim
P: +49 7705 978 99 0
F: +49 7705 978 99 20