ELite 3, User Manual
Page 47/72
7.2.
Calibration
The analyzer stability can be monitored with Erba Hematology Control - control
blood. Performing QC determinations regularly verifies continued optimal
performance.
It is recommended to do calibration in the following cases:
1. At analyzer installation, before beginning the analyses.
2. After replacing any component, related to the process of dilution or
measurement.
3. When quality control measurements show any systematic error (bias) or they
are outside predefined limits.
4. At regular time intervals (determined by the lab itself).
5. If you want to use the instrument in Pre-diluted mode (separate pre-diluted
calibration factors are available).
Calibration can be performed in two ways:
1. User can enter calibration factors – without any calibration measurements –
using the numerical keypad.
2. 1, 2, 3 or more measurements of control blood or calibrator, with known
parameters. In this case, the instrument automatically calculates new factors
using the following formula:
New factor =
Assigned value x Stored factor
Measured value(s) (or average of those)
CAUTION! New calibration will invalidate the previous factors.
Old values can be checked at Calibration History.
Maintenance
Calibration
You can select the following functions:
Factors: enter calibration coefficients
manually
Measure: define target values and start
calibration measurements
History: display past calibration factors.
Pre-diluted:
calibration
Factors
and
History for pre-diluted measurements.
Press HOME to go to Main menu.
Press BACK to go back to previous menu.
