how to test earth resistance

... Tester 1 Application This tester is suitable to of all kinds of devices and Conductor...

...20V/48V √ √ √ frequency: 94Hz/105Hz/111Hz/128Hz/AFC √ √ 94Hz/128Hz range 0.02 ~ 300k 0.1 ~ 30k 0.1 ~20k Selective mode (3 ...

... voltage: 3700V AC between the circuit and body cover (for 1 minute). 5. Overload protection: At voltage range, Max voltage can be 450V AC (f...

... Tester Confirm and inspect the grounding engineering 3 pole/4 pole Peakmeter Photovoltaic System Solut...

... Tester I. DISCRIPTION It is a surface or surface grounding er. According to ASTM standard D-257 parallel electrode sensin...

... er Electrical Safety Equipment 5~32A/10~600mΩ 1. Introduction Ground er ( er) is appli...

... Tester This device applies to frequency ground , contact voltage, pace voltage and electric . Feat...

... Voltage Tester Meter 0ohm to 4K ohm 100 Groups Data Logging Product introduce: HT2302 Meter is applicable to the of the ea...

... Tester Introduction: ETRC3000B Digital Ground Testing Soil Meter is specially designed and manufactur...

... and manufactured for measuring , soil voltage, AC voltage. Adopting the latest digital and micro-processing tec...

RS5600 Dual Clamp Multifunctional Earth Resistance Tester Product Description Good grounding system is an important guarantee of safe and reliable ope...

...% Hosts Size 260*215*50mm(L*W*H) Step Board Size W300*H20*D400MM Bracket Size(adujstable) 800-1400MM Material ABS+ LCD Screen+ stainless steel...

... analog & digital circuits and micro-processor chip. It mai-nly measures RCD, line/loop impedance, continuity, insulation , DC and AC vol...

Single Phase Earth Resistance Tester 47HZ - 63HZ 115/230 6.3A Vac Selectable Main parameters: 1, the input characteristics: single-phase 47-63HZ, 115/...

.... The built-in battery served as power supply become high DC voltage by DC/DC transformation, which goes from E pole to L pole via the object being...

Clamp Ground Resistance Tester Model: GRT-100 The GRT-100 is a new generation of landless pile test method of ground resistance meter. It adopted a ne...

Product Introduction 1, the measured frequency equivalent good. Test current waveform is a sine wave, frequency, frequency difference is only 5Hz, 45H...