Megger MIT415, Руководство пользователя

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Specification
All quoted accuracies are at +20 °C.
Insulation
Nominal test voltages: 10 V, 25 V, 50 V, 100 V, 250 V, 500 V
Range full scale accuracy
All ranges ±2% ±2 digits up to 100 M
Ω
.
Then:
500 volts. ±3% ±2 digits ±0.4% per G
Ω
250 volts. ±3% ±2 digits ±0.8% per G
Ω
100 volts. ±3% ±2 digits ±2.0% per G
Ω
50 volts. ±3% ±2 digits ±4.0% per G
Ω
25 volts. ±3% ±2 digits ±8% per G
Ω
10 volts. ±3% ±2 digits ±20% per G
Ω
Analogue range: 1 G
Ω
full scale
Short circuit current: 2 mA +0% -50%
Terminal voltage: -0% +20% ±1 V (Ii <1 mA)
Test current on load:
1 mA at min. pass value of insulation specified in BS7671,
HD384 and IEC364, EN61152-2, 2 mA max.
EN61557 operating range: 0,10 M
Ω
to 1,00 G
Ω
Leakage current range: 10 µA to 2000 µA
Leakage current: 10% ±3 digits
Voltage display: 3% ±3 digits ±0.5% of rated
voltage
Dielectric absorption Ratio (DAR): 60sec / 30sec ratio
Notes:
(1)
All ranges measure from 0,00 M
Ω
upwards.
(2) Above specifications only apply when high quality
silicone leads are being used.
Continuity
EN61557 operating range: 0,01
Ω
to 99,9
Ω
(0 to 100
Ω
on
analogue scale)
Accuracy: ± 2% ± 2 digits (0 to 100
Ω
)
Open circuit voltage: 5 V ± 1 V
Test current: 205 mA (±5 mA) (0.01
Ω
to 9.99
Ω
)
20 mA (±1 mA) (10.0
Ω
to 99.9
Ω
)
Lead resistance zeroing: Up to 9,99
Ω