The LEVEL1000 from Hoyt Electrical Instrument Works Inc. is a battery-powered, stand-alone, submersible water level and temperature recorder. This small, portable device will measure and record up to 16,383 measurements per channel. The storage medium is non-volatile solid-state memory, providing data security even if the battery becomes discharged. The device can be started and stopped directly from your computer.
Hoyt Electrical Instrument Works Inc., Card No. 57