Dent TOUM-4G Time-Of-Use + Run-Time Datalogger for Magnetic FieldsDent TOUM 4G Small Time of Use Magnetic field and Motor Logger The new TOUM 4G Mag Logger is an ultra small, battery powered, portable logger used to measure equipment run times for energy audits. The TOUM 4G records all on off transitions when a motor starts and stops. Now you can easily determine when motors and other equipment runs. On Off transition times are recorded and stored in the TOUM 4G The 5 digit LCD shows total on time and % on time. Use