Model 5910A -Soil Moisture Meter

The Model 5910A Soilmoisture Meter is simple, relative scale designed for portable use in making rapid readings of Model 5201F1 Gypsum Blocks. Make measurements in a matter of seconds. Fits in a pocket and the standard batteries keep it going for years. A real easy solution for keeping track of soil moisture conditions in a vertical profile and not breaking the bank.