CALIBRATION
Sysmex SF-3000 Operator's Manual -- Revised September 1995 7-1
1. INTRODUCTION
Calibration is performed to compensate for any bias generated by the pneumatic system,
hydraulic system, and electrical system which may influence the accuracy of results. It is
thus vital for the maintenance of system accuracy. Compensation for bias is
accomplished by entering a compensation factor into the instrument's computer.
Initial calibration is performed during installation by the Sysmex representative.
Following the installation calibration, the operator is only requested to calibrate the
instrument on an "as needed" basis, and maintain good QC practices, to ensure the
accuracy of the system.
This chapter covers the process and procedures necessary to calibrate the instrument for
HGB (hemoglobin) and HCT (hematocrit). Calibration of the SF-3000 can be performed
either automatically or manually.
1.1 Calibration Implementation Standards
Calibration is not required at specified periodic intervals. Instead, it is recommended that
the laboratory performs calibration or calibration verification when any of the following
occurs:
• There is major preventative maintenance performed or critical parts are replaced, such
as manometer, aperture or circuit boards.
• Controls begin to reflect an unusual trend or are outside of acceptable limits, and
cannot be corrected by maintenance or troubleshooting the instrument.
• The laboratory's established schedule requires more frequent calibration or calibration
verification.
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