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TECHNICAL SPECIFICATIONS
Electrical specification
Voltage range
The voltage will enable the user to ascertain if a system is live prior to
testing.
Accuracy ±2% ±2 digits
Voltage a.c. - 000 V - 500 V 50/60Hz
Voltage d.c. - 000 V - 500 V (Indication of polarity above 10 V)
Insulation ranges (to EN 61557-2)
Accuracy ±2% ±2 digits up to 99 MΩ
Short circuit current <2 mA
1 mA at min. pass value of insulation specified in BS7671, HD384 and
IEC364
250 V 0.01 - 99.9 MΩ
500 V 0.01 - 299 MΩ
1000 V 0.01 - 499 MΩ
250 V, 500 V and 1 kV into 1 mA load
Output voltage +20% - 0% at rated load or less.
Auto discharge facility safely discharges connected circuit after test.
Live circuit warning/inhibit when connected to live circuits (Threshold
55 V)
EN 61557 Operating Range 0.10 MΩ to 99.9 MΩ
Loop ranges (to EN 61557-3)
Line/Earth (Single phase)
Supply 55 V - 270 V 45Hz to 65Hz
25 A 0.01 Ω - 9.99 Ω (±5% ±0.03 Ω)
10.0 Ω - 89.9 Ω (±5% ±0.5Ω)
90 Ω - 899 Ω (±5% ±5Ω)
900 Ω - 3.00 kΩ (±5% ±20Ω)
EN 61557 Operating Range 0.25 Ω to 3.00 kΩ
Line/Line(Three phase)
Supply 55 V - 480 V 45Hz to 65Hz
25 A 0.01 Ω -19.99 Ω (±5% ±0.03 Ω) (at 230 V)
EN 61557 Operating Range 0.25 Ω to 19.99 Ω
Low current Loop (No Trip)
Supply 55 V - 270 V 45Hz to 65Hz
15mA 0.01 Ω - 2.00 kΩ (±5% ±0.03 Ω ± Noise Margin) (at 230 V)
EN 61557 Operating Range 0.5 Ω to 2.00 kΩ
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