Amprobe Multitest-1000 Continuity-Tester - Manual (Page 52)

- Earth resistivity
ρ measurement
Measuring range ( Ω) Resolution ( Ωm) Accuracy
0.06 ÷ 19,99 Ωm 0,01 Ωm
20.0 ÷ 199.9 Ωm 0.1 Ωm
200 ÷ 1999 Ωm 1 Ωm
2,00 ÷ 19,99 kΩm 0.01 k Ωm
20.0 ÷ 125,5 kΩm (*) 0.1 k Ωm
±(5% rdg + 3 dgt)
(*) with D = 10m
Test current
<10mA 77,5Hz
Open load test voltage <20V RMS
9.1.1. Safety standards
The instrument complies with:
EN 61010-1 + A2(1997)
Product norms: IEC61557-1, -2, -3, -4, -5, -6
Insulation: Class 2, double insulation
Pollution level: 2
Inside use; max height: 2000m
Overvoltage category: CAT III 460V ∼ T1-T2-T3-T4 / 265V∼ to earth
9.1.2. General specifications
Mechanical features
Dimensions:
222(L) x 165(La) x 105(H)mm
Weight (batteries included): approx. 1200g
Power supply
Battery type:
6 batteries 1.5 V – LR6 – AA – AM3 – MN 1500
Low battery indication: The symbol is displayed when the battery
voltage is too low.
Battery life: About 40 hours in stand-by or
500 Low Ω tests or
250 R
ISO
tests 500V/500k Ω or
1000 Loop, phase sequence tests
300 Earth or ρ tests.
Display: LCD custom 65mmx65mm
Memory: 350 tests
Serial interface: opto-isolated RS232 to download stored data to a
PC.