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Specifications
testing tools and meter for kinds of experiments1. Digital Earth Tester
Display Measuring Range
Earth Resistance: 2000 ohm LSD: 0.01 to ohm
Earth Voltage: 200V Accuracy
Earth Resistance: 20ohm range +2%rdg+0.1 ohm
200 ohm range +2%rdg+3dgt
2000 ohm range +2%rdg3dgt
Earth Voltage: +1%rdg+4dgt Measuring Frequency
Approx. 820Hz Measuring Current
Approx. 3mA (at 20 ohm range) Battery Life
Approx. 4.5hours (at 5 second measuring 3300 times)
Operating Temp. and Humidity
0~40ºC, 85%Rh or less Dimensions
Approx. 105x158x70mm Weight
Approx. 550g
Standard Accessories 3-pole Test Lead
Earth Spikes
2-pole Test Lead Set
Soft Case
Shoulder Belt
Six AA (R6) dry cells
User's Manual
2. Digital Insulation Tester
High Quality Product
RangesDC current -0.1, 1. 10mA,AC current -0.1, 1, 10mA, (DC +AC) current -0.1, 1, 10 mA , AC Voltage-150, 300V (50 and 60 Hz) Accuracy ±2.5% of full scale value on current and voltage range
Input Impedance Current range: 1kW 1.5kW, and 2kW Voltage range; More than 100kW Frequency Range 20Hz to 5kHz
Power Source Two 9V dry cells, Continuous Operating Time; Approx. 290 hours
Overload Protection Up to 30mA AC for one minute will not damage instrument oh current ranges
Temperature Influence±0.2% of rated value/ºC against temperature variation of 20±10ºC
Insulation Resistance More than 20 MW at 500 V DC between terminals and case Dielectric Strength 1500V AC 50Hz for one minute between electrical circuit and case Dimensions Approx. 190 x 124 x 90 mm(7.48 x 4.88 x 3.54”) not including handle
Weight Approx. 1.0 kg (2.2 lbs)
Accessories
1 pc Carrying Case
1pc Carrying Case
1 copy Instruction Manual
2 pcs Test Lead
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