About Us

Welcome to Delta OHM

Since 1978 we dedicate ourselves with a top-quality product portfolio and with the appropriate scientific expertise to drive the development of sustainable meteorological components onward every day. Delta OHM develops and manufactures a complete range of meteorological devices for measuring wind speed, wind direction, precipitations, atmospheric pressure, humidity, radiation, light and temperature.

In addition to that, our portfolio also includes a complete range of Wireless Data Logger Systems, as well as professional measuring and control equipment / transmitters, sensors, loggers and portable instruments for Acoustics and Vibration, Microclimate, Air Quality-CO-CO2, Water Analysis, Relative Humidity, Air Speed, Photo-Radiometry, Temperature and Pressure measurements.

ISO 9001

All our company processes comply to the international standard of ISO. Our ISO 9001:2015 certificate is available here for download.

Delta OHM foundation date

First ISO 17025 Laboratory for temperature

6 ISO 17025 Accredited Laboratories

Merge with the GHM GROUP

Our focus markets

Delta OHM products have been proven for years in a wide range of application:

  • Environmental Monitoring
  • Meteorology
  • Renewables energies
  • Solar & wind energy
  • Building
  • Building Automation
  • Industrial & Process
  • Agriculture & Food
  • Health & Safety
  • Car Service

Delta OHM part of GHM GROUP

In November of 2015 Delta OHM has become part of the GHM GROUP, a German industrial group based in Remscheid and leader in technology for industrial control and measurement.

What began as a vision in 2009 is being driven forward continuously: from the fusion of the companies Greisinger, Honsberg, Martens, Imtron, Delta OHM and VAL.CO, GHM GROUP still considers itself a tradition-oriented company. With an eye back to the vision of the founders, the company continues in its consistent efforts to permanently advance measuring and regulation technology with innovative developments and application-specific solutions.

Today GHM GROUP is a pioneering specialist and complete provider for innovative measuring a regulation technology. With more than 330 employees in sixteen locations worldwide, the company develops and produces a wide assortment of more than 2 000 high-quality device types.

For more information about the GHM GROUP click here.