AMPROBE Earth-Test Telaris Earth Resistance Tester

Features:
Earth resistance measurement
The integrated constant current measurement principle allows the application in sandy as well in rocky environments
Monitoring and display of auxiliary earth and probe resistances
Displays of the actual test current
Automatic and manual and frequency selection for noise reduction
Test voltage preselection
Clear and large LCD providing the user with an optimum visual indication of both test values and limits
Auto power off
Earth resistance measurement 2/3 and 4-pole
Specific earth resistance measurement in compliance with the Wenner principle

The Telaris Earth-Test can test the ability of soil and grounding connection to conduct electricity and provide an electrical reference point. Good soil conductivity is needed to limit static electricity charge in potentially flammable situations and minimize the voltage difference between power return and earth ground for personal safety. Resistance testing is done by 2 wire, 3 wire or 4 wire testing methods.

Includes:1.5V batteries, Instruction Manual

Specifications:
Display:     3 digit; LCD; 1999 Count
Meas. rrinciple:     Current-voltage measurement
Earth resistance:     0.05...19.99 O/ 0.01 O 20...199.9 O / 0.1O; 200...1999O / 1 O
Tolerance:     ±(4% rdg.+2 Digits / 0.1O )
Probe/aux. resistance:     0.1...50 kO; / 0.1 kO
Tolerance:     ±(10% rdg.+3Digits)
Test current display:     0.1...13 mA / 0.1 mA
Tolerance:     ±(10% rdg.+3 Digits)
Max. test current:     Approx. 12 mA
Test voltage:     Max. 25 V / 50 V AC selectable
Frequency:     127 Hz / 140 Hz selectable
Safety complying with:     IEC61010/EN61010/DIN VDE 0411 IEC61557/EN61557/DIN VDE 0413
Overvoltage category:     CAT III / 300 V
Pollution degree:     2
Power supply:     6 x 1.5 V, IEC LR6