Hydrological Services, located in Sydney Australia, was initially founded as a single person operation in 1968, but has grown into a company which employs 20 qualified engineers, scientists and manufacturing personnel. Hydrological Services' expertise and reputation for building rugged and reliable products has made them an internationally competitive supplier. Though their expertise is undoubtedly in the field of hydrography and hydrology, the company has developed a broad range of technology and expertise in the scientific instrument field. Today Hydrological Services offer a broad range of equipment including: Rain Gauges, Current Meters and accessories; Bed Load Samplers, Shaft Encoders, Bed Material Samplers, Level Monitoring Devices, Pressure Transducers, Pressure Sensing Unit, Gas Purge Compressors, Bubble Units, Chart Recorders, Gauging Winches and Travellerways, Columbus and Nose Mounting Ground Feeler Weights; Sediment Samplers. More recently Hydrological Services have extended their range to include intelligent microprocessor based systems for; Flood Warning, Remote Rain Gauging, Data Logging and other hydrological measurements where remote monitoring and telemetry communications are required.