HellermannTyton Toptronic T1820 Digital Earth Resistance Tester

Digital Earth Resistance Tester
Earth voltage detection
2mA earth resistance to test
2 and 3 Wire Testing
Earth Resistance (?): 20, 200, 2k? (± 2% + 2 Digit)
Earth Voltage (V): 200V AC (40 - 500hz) (± 1% + 2 Digit)
Measuring System: Earth resistance by constant current inverter, 820Hz, 2mA Approx
Over voltage indication 1 (MSD)
Counts 3 -1/2 Digits (2000 Counts)
Power Source 8 x 1.5V AA Batteries
Certificates: UL, IEC61010-1. Certificate of Conformance

What's in the box
T1820
Test Leads (Lengths: Red - Meter and 15 Meters, Yellow - 10 Meters,
Green - 5 Meters)
Earth Spikes
Shoulder Belt TAL36 (P57)