DeltaOhm - GHM Group

DeltaOhm, part of the GHM Group, makes instruments for meteorology and solar radiation measurement. HenSistemas carries pyranometers classified to ISO 9060:2018 (including a shadow ring version for diffuse radiation), albedometers and UVA irradiance probes; all-in-one compact weather stations; tipping bucket and weighing rain gauges, a rain detector and an ultrasonic anemometer; and the PMsense particulate transmitter.

For storing and sending data there are loggers with cellular, Wi-Fi, Ethernet, LoRaWAN or a dedicated wireless network (the HD35 system), plus acquisition housings for outdoor stations.