Water Level Logger, Global Water WL16, 15meter cable

Power : Two 9VDC Alkaline Batteries Battery Life : Up to 1 year Resolution : 12 bit Moisture Protection : Silicon coating Temperature : -40° to + 185° F ( -40° to + 85° C) Humidity : 0-95% non-condensing Storage Capacity : 81, 759 time and date stamped data points including battery voltage Sample Modes : High Speed ( 10 samples per second) Data Overwrite : Select memory wrap or unwrap Clock : Synchronizes to the time and date of user' s computer Clock Accuracy : 0.0025% or 1 minute in 1 month Clock Format : Month/ Day/ Year Hour/ Minute/ Second Enclosure : 1 7/ 8 " diameter x 11.5 " length ( fits inside a 2 " well) Weight : 1.6 lbs ( with battery and 25' cable)