Performing Tests; Protective Earth Resistance - Brainlab Buzz Navigation System And Technical User Manual

Performing Tests

5.3 Performing Tests
5.3.1

Protective Earth Resistance

General Information
Connect the measurement tip of your measuring device with the conductive parts shown in the
table below and measure the resistance. Some test points may not be applicable for your Buzz
Navigation (Ceiling-Mounted) variant.
If a test does not pass, the device must be repaired by Brainlab support. After repair, repeat the
entire electrical safety test from the beginning.
NOTE: If the appliance coupler of the 42" Display, additional 42" Display, or Supply Unit is not
accessible from the outside, contact Brainlab Support.
Protective Earth Resistance Test
Point Tested
MCU - Housing screw close to
mains power LED
42" Display In-Wall Frame (over-
view of potential measurement
points)
Additional 42" Display In-Wall
Frame (overview of potential
measurement points)
In-wall Frame (measurement de-
tail)
(On-Wall Frame)
42" Display and additional 42"
Display at the paint free hole on
the frame
86 System and Technical User Guide Rev. 1.2 Buzz Navigation (Ceiling-Mounted) Ver. 1.0
Measured Value Test Passed?