28 General maintenance information
MOBILETT XP Digital SPR8-230.831.30.03.02 Siemens AG
11.05 CS SD 24
Page 28 of 74
Medical Solutions
2.9 Information on measuring the patient leakage current
Observe the instructions in the "Safety Rules for Installation and Repair"
(ARTD-002.731.17 ...).
On systems of protection class I with type B application part, the patient leakage current
must be measured, documented, and evaluated during maintenance on each application
part.
If the application part has a surface of non-conductive material, it must be covered with a
conductive material (such as aluminum foil). The conductive surface must be large
enough to approximate the contact surface of the patient with the application part.
With a flat detector, completely cover the contact surface with aluminum foil.
Hold the aluminum foil securely to the application part to be measured using approx. 0.5
N/cm
2
of pressure during the measurement.
WARNING
Electrical voltage!
Non-compliance can lead to severe injury and even death.
¹ The patient leakage current measurement may be per-
formed on systems of protection class I only after the
protective conductor test has been passed.
First measured value
The first measured values have already been determined and documented in the patient
leakage current report.
The measuring procedure and the measuring device used (designation and serial num-
ber) have been documented as well.
Measurement
The patient leakage current must be measured for each application part.
The measurement must be made according to DIN VDE 0751, Part 1 (see
ARTD-002.731.17...).
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