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General Specification
Accuracy
Insulation test:
1000 Volts 10 kΩ - 999 MΩ ±3% ±2 digits
500 Volts. 10 kΩ - 500 MΩ ±3% ±2 digits >500 MΩ ±10% ±4 digits
250 Volts. 10 kΩ - 250 MΩ ±3% ±2 digits >250 MΩ ±10% ±4 digits
100 Volts. 10 kΩ - 100 MΩ ±3% ±2 digits >100 MΩ ±10% ±4 digits
EN61557 range: 10 kΩ - 999 MΩ (1000 V 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 Ω to 99.9 Ω)
±5% ±2 digits (100 Ω to 99.9 kΩ)
EN61557 range: 0.1 Ω to 99.9 kΩ
Open circuit voltage 5 V ±1 V
Test Current at 200 mA (0 Ω to 2 Ω): >200 mA @ ≤2 Ω
Test Current at 15 mA (0 Ω to 2 Ω): >15mA @ ≤2 Ω
Max Service error: ±12% ±2 digits.
Loop test 2Hi (L-PE, L-N, L-L):
Intrinsic accuracy: ±5% ±3 digits
Display range: 0.01 Ω to 1000 Ω
Supply: 48 V to 480 V* (45 Hz to 65 Hz)
Test current high: 4.0 A (at 230 V)
PSCC range: 20 kA
EN61557 range: 0.30 Ω to 1000 Ω
Max service error: ±10% ±2 digits
* MFT1710 280 V
Loop test 3Lo, 2Lo (L-E):
Intrinsic accuracy: 0.01 Ω to 39.9 Ω ±5% ±5 digits
40.0 Ω to 999 Ω ±10% ±5 digits
Display range: 0.01 Ω to 1000 Ω
Supply: 48 V to 280 V (45 Hz to 65 Hz)
Test current: Pulsed
PFC range: 20 kA
EN61557 range: 1.0 Ω to 1000 Ω
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
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