A-2
A.2.2 Contextual Inspection
Test Item Acceptance Criteria
The enclosure and accessories
No unusual noises (e.g., a rattle inside the case).
No unusual smells (e.g., burning or smoky smells, particularly from ventilation
holes).
No taped notes that may suggest device deficiencies or operator concerns.
A.3 Device Labeling
Check the labels provided by the manufacturer or the healthcare facility are present and legible.
Main unit label
Integrated warning labels
A.4 Protective Earth Resistance
Protective Earth Resistance is measured using the RED test lead attached to the DUT Protective Earth terminal or
enclosure. Select the test current by pressing SOFT KEY 3 to toggle between 1AMP, 10AMP, and 25AMP. The front panel
outlet power is turned off for this test.
The following conditions apply: L1 and L2 Open.
Preparation
1. First select the test current that will be used for performing the Protective Earth Resistance test by pressing
AMPERES (SOFT KEY 3).
2. Connect the test lead(s) between the RED input jack and the GREEN input jack.
3. Press CAL LEADS. The 601PRO will measure the lead resistance, and if less than 0.150 Ohms, it will store the reading
and subtract it from all earth resistance readings taken at the calibrated current.
If the calibration fails, the previously stored readings will be used until a passing calibration has occurred.
During Earth Resistance testing, the DUT must be plugged into the 601PRO front outlet. If the DUT fails
Earth Resistance, discontinue tests and label the device defective.
To Perform the Test
1. From the MAIN MENU, or with the outlet unpowered, plug the DUT into the 601PRO front panel outlet.
2. Attach the 601PRO RED input lead to the device’s Protective Earth terminal or an exposed metal area.
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