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Mains voltage
Range 0-264 V ac rms, limited by power specification
Accuracy ±(2 % + 0.2 V)
Point to point voltage
Range 0-300 V ac rms, limited by altitude specification
Accuracy ±(2 % + 0.2 V)
Protective earth resistance & Point to point resistance
Range 0-20 Ω
Accuracy ±(1 % + 0.01 Ω) at ≤ 2 Ω
±(1 % + 0.1 Ω) at >2 Ω
Test current Square wave of at least ±200 mA for ≤ 2 Ω
Open circuit voltage Max ±24 V
Equipment Current
Range 0-20 A ac rms, limited by power specification
Accuracy ±(5 % + 0.05 A)
Max duty cycle 0-10 A: continuous
10-15 A: 7 min on/3 min off
15-20 A: 5 min on/5 min off
Note: Equipment outlet will be turned off if max duty cycle is exceeded.
Leakage Current
Modes ac + dc (true rms), ac only, dc only
Mains on applied part leakage test: ac only
Patient load AAMI ES1:1993
IEC 60601-1:2005 / IEC 62353:2014
See users manual for more information.
Crest factor ≤2
Range 0 μA - 20 mA
Accuracy dc & 20 Hz - 0.5 kHz: ±(1 % + 1 μA)
0.5 kHz - 50 kHz: ±(2.5 % + 1 μA)
50 kHz - 1 MHz: ±(5 % + 1 μA)
Mains on applied part (Applies to: mains on applied part leakage, direct applied part leakage, alternative applied part leakage, alternative
equipment leakage)
Test voltage Mains voltage ±5 %
Current limit 1 mA ± 25 % at 115 V for AAMI ES1, NFPA 99
3.5 mA ± 25 % at 230 V for IEC 60601-1, IEC 62353 and EN 50678 / EN 50699
7.5 mA ± 25 % at 230 V for AS/NZS 3551
Additional uncertainty Up to ±2 μA for 120 V, up to ±4 μA for 230 V
