Clamp On Type Earth Resistance Tester Km-1620 - Plastic Body, 285 X 85 X 56 Mm, Black & Yellow | Automatic Calibration, Soil Resistivity Testing, 0.001w Resolution

GENERAL SPECIFICATIONS :
a Jaw Opening Size : 32 mm
a Display screen : 4 digit LCD Backlight,
47 x 28.5 mm in length
a Operating temperature : -10 o C ~ 55 o C
a Operating Humidity : 10% ~ 90%RH
a Protection grade : double insulation
a External Magnetic Field : < 40A / m
a External Electric Field : < 1V/m
a Measurement Resistance Frequency :
> 1 KHz
a Maximum Resistance Measurement
Resolution : 0.001W
a Resistance Measurement Range :
0.01 - 1200 W
a Range selection : Automatic
a Max. Bus Bar Dimension : 32 mm A 65 mm.
a Calibration : Automatic self calibration
a Sampling Time : 1 second
a Current Measuring Range :
0.00 - 20.0A (KM 1720)
a Measured Current Frequency : 50/60Hz (KM 1720)
a Storable Measurement Data : 99 Units
a Setting Range of Resistance Alarm Critical Value :
1 - 199W (KM 1720)
a Setting Range of Current Alarm Critical Value :
1 - 499mA (KM 1720)
a Power supply : 4 X AAA alkaline dry battery (6V)
a Weight : 1160g (inclusive of battery)
a Dimension : 285(L) x 85(W)mm, and thickness of 56mm