Greenspan’s range of hydrological sensors are all made in Melbourne, Australia. We are able to provide service and support for years after you purchase your sensor.
View and download the product data sheets for our seismic sensors. The Seismology Research Centre has assisted in the design of ESS-manufactured recorders & digital sensors, and we can also supply Guralp seismographs. We provide service and support for 10+ years for ESS-made seismographs.