Soil Moisture Tensiometer is capable for research grade quality measurement. The imported irrometer usa make product is also available with data logger, capable to record the variation in soil moisture at user’s selected time interval with date and time stamp. The soil moisture tensiometer is used for soil moisture measurement for irrigation scheduling. The instrument does not dissolve in soil and is inexpensive and easy to use. details raw material used : butyraterange : 0-100 centibarssizes available : 15, 30, 45, 60, 90 & 120 cm long how to use? install the soil moisture tensiometer in the root zone of your crop or turf and use the reading of gauge to get an instant reading of moisture tension from 0 (saturated) to 100 (dry) centibar.