Eltek Squirrel Meter/Logger 1000 Series 1001-NL

Eltek Squirrel Meter/Logger 1000 Series. Model type 1001NL. Serial number EL-5318. Made in England. Follow and log temperatures, voltages, events etc. A variety of different temperature sensors can be connected to. Six AA batteries is enough for more than 300 days operation, you may use an external power supply, too. The same model has been sold under Eltek and Grant brands.