Voltage |
Range (mains voltage) |
180 to 264 V ac rms |
Range (accessible voltage) |
0 V ac to 300 V ac rms |
Accuracy |
± (2 % of reading + 0.2 V) |
Voltage tests |
Mains, accessible, and point-to-point |
Earth resistance |
Mode |
Two terminal |
Test current |
> 200 mA ac |
Range |
0 W to 2 W |
Accuracy |
± (2 % of reading + 0.015 W) |
Resistance tests |
Earth resistance and point-to-point |
Equipment current |
Mode |
AC rms |
Range |
0 A to 20 A |
Accuracy |
± 5 % of reading + (2 counts or 0.2 A, whichever is greater) |
Duty cycle |
15 A to 20 A, 5 min on/5 min off
10 A to 15 A, 7 min on/3 min off
0 A to 10 A continuous |
Leakage current |
Modes
Modes are available in all leakage tests with the exception
of MAP leakages that are available only in true-rms |
AC + DC (true-rms)
AC only
DC only |
Patient load selection
(input impedance) |
AAMI ES1-1993
IEC 60601 |
Crest factor |
= 3 |
Ranges |
0 µA to 199.9 µA
200 µA to 1999 µA
2 mA to 10 mA |
Frequency response/accuracy
DC to 1 kHz
1 kHz to 100 kHz
100 kHz to 1 MHz |
± (1 % of reading + (1 µA or 1 LSD, whichever is greater))
± (2 % of reading + (1 µA or 1 LSD, whichever is greater))
± (5 % of reading + (1 µA or 1 LSD, whichever is greater)) |
Leakage tests |
Ground wire (earth)
Chassis (enclosure)
Lead to ground (patient)
Lead to lead (patient auxiliary)
Lead isolation (mains on applied part)
Direct equipment
Direct applied part
Alternative equipment
Alternative applied part
Point to point |
Mains on applied part test voltage |
100 % of mains |
Differential leakage |
Ranges |
10 µA to 199 µA
200 µA to 2000 µA
2 mA to 20 mA |
Accuracy |
± 10 % of reading + (2 counts or 20 µA, whichever is greater) |
Insulation resistance |
Ranges |
0.5 MW to 20 MW
20 MW to 100 MW |
Accuracy |
± (2 % of reading + 0.2 MW)
± (7.5 % of reading + 0.2 MW) |
Source test voltage |
500 V dc
250 V dc |
Insulation resistance tests |
Mains-PE, AP-PE, Mains- PE, Mains-NE (non-earthed accessible
conductive part) and AP- NE (non-earthed accessible conductive
part) |
ECG performance waveforms |
Accuracy |
± 2 %
± 5 % for amplitude of 2 Hz square wave only, fixed at 1 mV
Lead II configuration |
Waveforms
ECG complex (BPM)
Ventricular fibrillation
Square wave (50 % duty cycle) (Hz)
Sine wave (Hz)
Triangle wave (Hz)
Pulse (63 ms pulse width) |
30, 60, 120, 180, and 240
0.125 and 2
10, 40, 50, 60, and 100
2
30 BPM and 60 BPM |
Power ratings |
Mains voltage outlet |
230 V ac |
Mains voltage inlet power range |
180 to 264 V ac rms |
Maximum current |
16 A |
Hz |
50 or 60 |
Environmental specifications |
Operating temperature |
10 °C to 40 °C (50 °F to 104 °F) |
Storage temperature |
-20 °C to 60 °C (-4 °F to 140 °F) |
Operating humidity |
10 % to 90 % non-condensing |
Altitude |
230 V ac mains supply voltage up to 2,000 m |