Fluke (Biomedical) ESA712 전기 안전 분석기

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