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• TIME
Using a stopwatch, check the timer by setting a 10 minute run. Start the centrifuge and measure
from the time the start button is pushed until the timer switches to stop. Record the measured
time in the time section of the form. Determine if the time value recorded meets the specifications
in the form. If the specifications are met, proceed to the next section. A recalibration of the
instrument is not possible. Initial the time section.
• SAFETY TEST
Using safety tester and connect the centrifuge to it. Measure Insulation resistance.. Select to Earth
Conductor resistance and touch with probe all mechanical part of the centrifuge. Resistance must
be <0.2 ohms at all points otherwise check for good grounding. Measure accessible current to
procedure in the service manual.
After filling in the certification information complete the following documentation:
• Log test equipment data on calibration certification form.
• Review P.M.checklist and calibration certification form to ensure that all data and required
information has been recorded properly.(including your signature and date)
• Fill out a certification label and place it on the right side of the centrifuge where visible or at a
location selected by the customer.
• Ask the customer to sign the calibration certification form and place a copy in the customer's
Certification Record Book for that centrifuge.
• Place copies of the P.M.checklist and Field Service Report in the same Record Book.
• Provide copies of your training certificate and test equipment calibration certificates if
requested by the customer
Lab300_7a_E.doc
Calibration Certification Procedure
Labofuge 300
Documentation
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