Specification - Megger DET2/2 Guia Del Usuario

Specification

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