Measuring earth resistance by constant current inverter 800Hz approx. 3mA, earth voltage by rectifier type 5kΩ/V approx. 40-500Hz
Two-pole & three-pole test mode
Data logging: save up to 100 measures
Max/min/Avg value and relative measurement
Continuity test
Large LCD display with analog bar graph and backlit
Auto-power off
Low battery indication
Safety as IEC1010-1 Cat III 1000V or Cat. IV 600V

Technical specifications
Earth resistance: 30Ω, ±2.0%, 100Ω/1kΩ/4kΩ, ±3.0%
Earth voltage: 0-200.0V (50-60Hz), ±1.0%
Dimensions: 180x140x65mm
Battery: 1.5Vx6, AA size
Weight: approx. 950g