Megger DET2/2 - Specification

30
Earth Resistance Ranges: 0,010 Ω to 19,99 kΩ (Auto-ranging) 1 mΩ resolution
Accuracy (23°C ±2°C): ±0,5% of reading ±2 digits. Service error ±5% of reading ±2 digits ±10 mΩ
(meets VDE service error over 50 mΩ)
Test Frequency: 105 Hz to 160 Hz reversing d.c. (50 Hz environments default to 128 Hz,
60 Hz environments default to 150 Hz). Set in steps of 0,5 Hz
Test Current: 50 mA max. (selectable high and low levels)
Max Output Voltage: < 50 V r.m.s.
Interference: Typically 40 V pk to pk (50 Hz, 60 Hz, sinusoidal nature)
Max. Current spike
(Loop) Resistance: Range (R
E
) High current (R
p
) Low current (R
c
)
0,010 Ω - 0,499 Ω 5 kΩ 1 kΩ
0,500 Ω - 1,999 Ω 5 kΩ 3 kΩ
2,000 Ω - 19,99 Ω 10 kΩ 5 kΩ
20,000 Ω - 199,9 Ω 50 kΩ 20 kΩ
200, 0 Ω - upwards 50 kΩ 50 kΩ
Max. Potential Spike Resistance: Range (R
E
) High current (R
p
) Low current (R
p
)
(R
p1
) (R
p2
) (R
p1
) (R
p2
)
0,010 Ω - 0,499 Ω 1 kΩ 10 kΩ 1 kΩ 10 kΩ
0,500 Ω - 1,999 Ω 1 kΩ 20 kΩ 1 kΩ 10 kΩ
2,000 Ω - 19,99 Ω 1 kΩ 20 kΩ 1 kΩ 10 kΩ
20,000 Ω - 199,9 Ω 200 x RE 20 kΩ 200 x RE 20 kΩ
200, 0 Ω - upwards 50 kΩ total 50 kΩ total
Specification