System requirements for the app can be found at the bottom of the HOBOconnect software page

and mechanical or electrical contact closures from external sensing devices

A USB base station with optical readout used to dump data from all Onset data loggers that use optical communication

12-meter range

Idealisk för att kolla elförbrukning och ljusanvändning i byggnader

HOBO MX20L Vattennivå Data Logger Measurement range:0-9 meters System requirements for the appThe MX20L is an affordable data logger designed for continuous measurement of water depth and temperature with high accuracy, making it ideal for groundwater monitoring, research and various other applications. Suitable for use in freshwater, brackish water, and saltwater environments. Available in three versions. The popular and affordable water level logger U20L gets a sequel: MX20L now supporting bluetooth together with a number of improvements,