Gambro AK 95 S Service Manual page 238

3
NOTE
The machine shall not be connected to mains power during this test.
3.1
Digital Multimeter:
Manufacturer: e.g. Fluke
Resistance: accuracy
3.2
1.
2.
3.
4.
5.
6.
7.
8.
11:4
PET - Protective Earth Test
Test equipment for PET-test
± 0.5 %
PET for AK 95 / AK 95 S
Check that the resistance between the grounding clips of the
mains plug and the exterior cover of the power supply is
< 0.3 Ohm.
Check that the resistance between the grounding clips of the
mains plug and the heater rod is < 0.3 Ohm.
Check that the resistance between the grounding clips of the
mains plug and the suction pump is < 0.3 Ohm.
Check that the resistance between the grounding clips of the
mains plug and the mounting plate to the diascan conductivity
cell is < 0.3 Ohm.
Check that the resistance between the grounding clips of the
mains plug and the stand of MM 95 (e.g. a screw to the heat
exchangers) is < 0.3 Ohm.
Check that the resistance between the grounding clips of the
mains plug and the front of MM 95 (e.g. a screw to the BiCart-
holder) is < 0.3 Ohm.
Check that the resistance between the grounding clips of the
mains plug and the heparin pump (rear plate) is < 0.3 Ohm.
Check that the resistance between the grounding clips of the
mains plug and the potential equalization connector is
< 0.3 Ohm.
Electrical Safety Inspections for AK-machines
HCEN12190 Rev 05.2006