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Validating Motor Speed
The stepper motor used with the system rotates at accurate speeds. For motor speed
validation, use the following procedures:
At speeds above 10 rpm, a hand-held tachometer is used to validate the speeds.
At speeds in the range 0.20 – 5.0°/min, a built-in 1000 cpr encoder within the stepper motor
assembly is used to count incremental steps versus time data using 5270. The resulting data
set is used to validate the motor speed per procedure 5265MX-0122. Contact Chandler
Engineering to obtain this procedure as needed.
Validating Load Cell Linearity
The load cell used must provide linear results for optimal instrument accuracy. The
calibration weight set P-1351-CERT and P-1352-CERT provide a means to verify the
linearity using loads between 0 and 1000 grams.
An Excel worksheet (5265MX-0009W) is used to collect and display the results and
determine the Pass/Fail status. Contact Chandler Engineering to obtain this worksheet as
needed.
Maintenance Schedule
COMPONENT
EACH TEST
Vessel Seals
Inspect &
replace as
required
Vessel
Clean after
Assembly,
each test
including
related
components
Motor Bearings
Load Cell (Gel
Strength)
This maintenance schedule applies to normal usage of two tests per day.
MAINTENANCE SCHEDULE
Model 5265MGSA Gel Strength Analyzer
MONTHLY
Clean as needed
Calibration using
calibration
fixture
SECTION 5 – MAINTENANCE AND SERVICING
3 MONTHS
6 MONTHS
5-7
ANNUAL
Inspect for
damage
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