The 4620 is a high quality entry level Ground Resistance Tester.
The 4620 is powered by x8 C cell batteries for the rechargeable version see the 4630.
Some of the main features of the instrument are listed below (for a more complete list please see the datasheet);
- 4 point earth measurements.
- 2 and 3 point fall of potential method.
- Excellent noise rejection.
- Simple operation.
- Back-light display.
- Very high quality weatherproof case.