RIX005 measure the surface resistance of object and ground resistance value simultaneously.The digit will instruct the conductor, static material and insulator of object surface. This meter correspond measuring method of ASTM standard D-257 parallel bal. Three modes to display resistance value simultaneouslyAmbient temperature measuringTemperature unit conversion ℃ / ℉ AvailableData-hold functionDigital LCD display with back-lightCE and RoHS Approved Dimension 64 x 35 x 126 mm. Weight 156.0000 Measurement Range 10^3~ 10^12Ω, : 0 ~ +50℃ , +32 ~ +122℉,  1 sec. Other Function -LCD Back-Light,  -Data-Hold,  -Measuring resistance to ground, -℃/℉ Switchable,  -Battery Symbol,  -Auto turn off Sensor Output Interface No Power Supply One 9V Battery