Solinst Model 102M Mini Water Level Meter (80 feet, P10 or P4)

The Solinst 102M Mini Water Level Meter s a very compact meter in 80 ft and 25 m lengths. The reel is light-weight and fits easily into a backpack or a mini carrying case. The cable is marked every 1/100 ft or each millimeter, with a choice of a P4 or P10 Probe.