HM-942 Soil Resistance Meter is purchased separately from the Resistivity Kit. When used together with the HM-940 kit, soil resistance values can be read directly from the analog dial of the meter; no calculations are necessary. The wide-range, highsensitivity meter has a large dial for easy readability and 8 ranges from 0.1 Ohms to 1.1 Mega-Ohms. Powered by conventional C-cell alkaline batteries. Rugged, weatherproof plastic case is IP67 rated and is 12x10x5in (310x250x125mm), LxWxD.