GE Xcellerex XDM Series Operating Instructions Manual page 252

8 Maintenance
8.2 Maintenance schedules
Calibration schedule
The following table shows the recommended calibration schedule for XDM and XDUO
mixers.
Frequency
Before each batch
Semi-annually or
as needed
Annually
As needed
252
NOTICE
All critical components of the mixer must be calibrated annually,
or as outlined by the on-site metrology department. All critical
components should be added to the on-site calibration database.
Activity
pH probe calibration
Temperature probe cali-
bration
Calibration of weight
monitoring function (1
weight calibration)
Conductivity transmitter
calibration
pH transmitter calibra-
tion
Xcellerex XDM 50-1000, XDUO 100-1000 mixers Operating Instructions 29251615 AD
Performed by
Operator
Calibration technician
GE service engineer or
personnel trained by GE
Calibration technician
Calibration technician
See Section
Section 6.4.1 Calibrate the
pH probe, on page 158
Section 10.8 Temperature
probe calibration, on
page 289
See the manufacturer's
manual.
See the manufacturer's
manual.
See the manufacturer's
manual.