uniphy PHYACTION 190, Информация о сервисе

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3. PERFORMANCE CHECK Service information Phyaction 190 / 190i - Page 9
CHAPTER 3
PERFORMANCE CHECK
3.1 Safety inspection
This inspection is for technical maintenance purposes only. It is recommended that this test is carried out once
a year. If the appliance is serviced, the full IEC 601-1 tests have to be carried out. A short description of these
tests is in section 3.2.
3.1.1 Visual inspection
Passed, when all applicable items are answered with YES.
yes
no
Is the user manual there?
Is the casing of the appliance undamaged?
Is the label well readable?
Are the controls, display, lights and connectors all right?
Are the mains input and the equipotentiality busbar all right?
Are ultrasound treatment heads, cables and connectors undamaged? (Pay special
attention to possible leaks in the treatment heads, such as cracks or loosened
seems.)
Are the labels on the ultrasound treatment heads readable?
3.1.2 Functional test
Passed, when all applicable items are answered with YES (or not applicable). yes no
Is the automatic selftest executed successfully at power on?
Is the appliance adjusted to all treatment heads? 1 cm²
4 cm²
Does the ultrasound output correspond with the power displayed on the 1 cm²
LCD, for both frequencies at maximum intensity? 4 cm²
3.1.3 Test of the electrical safety according to VDE 0751
Parameter Measured value Limit Remarks
Protective earth resistance
Ω
<
0.2
Ω
Enclosure leakage current
µ
A < 1000
µ
A
Patient leakage current
µ
A < 5000
µ
A
Also register the measured values in the device records and compare them with the values measured in the
past to alert for a possible potentially dangerous tendency.