METRON QA-90

1-3
The following leakage currents are measured for each module:
Patient leakage current No. of Tests: 6
Mains on applied part leakage current
No. of Tests: 2
Patient Auxiliary current
No. of Tests: 6
Floating dual lead measurement of
leakage currents
No. of Tests: Multiple
In one test run a maximum of 11 modules with different protection classes
may be tested.
6. Accuracy
Range 1
0- 100 µA
Resolution
1 µA
Accuracy
±
2% of full scale
±
1 LSD
Range 2
100- 1000 µA
Resolution
1 µA
Accuracy
±
2% of full scale
±
1 LSD
Range 3
1,0 - 10,0 mA
Resolution
1 µA
Accuracy
±
1% of full scale
±
1 LSD
7. Frequency Response
DC - 1 MHz (-3dB) with a crest factor of >2
The applied test voltage for patient leakage current is 110% of the line vol-
tage, delivered through a limiting resistor of 47 kOhm.
1.3 General Information
Temperature Requirements
+15°C to +35°C when operating
0°C to +50°C in storage
Display
Type
LCD graphic display
Alphanumeric format
4 lines, 40 characters
Data Input/ Output (2)
Parallel printer port (1); Bi-directional
RS -232C (1) for computer control
Power
From 110 VAC to 240 VAC, 47/ 63 Hz
3900 VA
Do not exceed 16 Amps of current at
any voltage within the operating range.
Installation Category II
Fuses
Two 16 Amp, 250V slow blow fuses