Megger MFT1800 series, Руководство пользователя

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General Specification
Accuracy.
Insulation test:
1000 Volts 10 k
W
– 999 M
W
± 3% ± 2 digits
500 Volts. 10 k
W
– 500 M
W
± 3% ± 2 digits > 500 M
W
± 10% ± 4 digits
250 Volts. 10 k
W
– 250 M
W
± 3% ± 2 digits > 250 M
W
± 10% ± 4 digits
100 Volts. 10 k
W
– 100 M
W
± 3% ± 2 digits > 100 M
W
± 10% ± 4 digits
EN61557 Range: 10 k
W
– 999 M
W
(1000V range)
Voltage display: ± 3% ± 3 digits ± 0.5% of rated voltage
Max Service error: ± 15% ± 2 digits.
Short Circuit Current: 1.5 mA nominal test current
Test Current on Load: ≥1 mA at min. pass values of insulation
Output voltage tolerance: -0% +20% at rated load or less
Continuity / Resistance:
Intrinsic accuracy: ± 2% ± 2 digits (0.01
W
to 99.9
W
)
± 5% ± 2 digits (100 ohms to 99.9k
W
)
EN61557 Range: 0.1
W
to 99.9 k
W
Open Circuit Voltage 5 V ±1 V
Test Current @200 mA (0
W
to 2
W
): >200 mA @ ≤ 2
W
Test Current @15 mA (0
W
to 2
W
): >15 mA @ ≤ 2
W
Max Service error: ± 12% ± 2 digits.
Loop test 2Hi (L-E, L-N & L-L):
Intrinsic accuracy: ±5% ± 3digits.
Display range: 0.01
W
to 1000
W
Supply: 48 V to 500 V (45 Hz to 65 Hz)
Test Current High: 4.0 A (@ 230 V)
PSCC Range: 20 kA
EN61557 Range: 0.30
W
to 1000
W
Max Service error: ± 10% ± 2 digits
Loop test 3Lo & 2Lo (L-E):
Intrinsic accuracy: 0-01
W
to 39.9
W
±5% ± 5digits
40.0
W
to 1000
W
±10% ± 5digits
Display range: 0.01
W
to 1000
W
Supply: 48 V to 280 V (45 Hz to 65 Hz)
Test Current: Pulsed
PFC Range: 20 kA
EN61557 Range: 1.0
W
to 1000
W
Max Service error: ± 10% ± 2 digits
RCD test:
Intrinsic current accuracy:
No Trip Test: (1/2xI) –10% to 0%
Trip Test: (1xI, 2xI and 5xI) +0% to +10%.
Ramp Test current: ±5% ± 1 digit
Trip Time: ±1% ±1 ms
Programmable Step Increments: 10 mA to 50 mA - 1 mA steps.
50 mA to 500 mA - 5 mA steps
500 mA to 1000 mA - 10 mA steps.
Supply: 48 V - 280 V 45 Hz to 65 Hz
Max Service error: ± 10% ± 2 digits
Voltage:
Intrinsic accuracy: ± 2% ± 1 Volt.
EN61557-1 Range: 10 V to 600 Volts.
Phase Rotation Indication.
Max Service error: ± 5% ± 2 digits
Frequency:
Intrinsic accuracy: ± 0.5% ± 2 digits.
Resolution: 0.1 Hz
EN61557 Range: 15 Hz to 400 Hz.
Max Service error: ± 5% ± 3 digits.