bration test results are not acceptably repeated throughout the six
tests at each calibration level, the instrument will report
“Calibration out of Range” and the entire calibration procedure
must be redone. If the repeatability problem recurs despite good
operating technique, please call or write immediately for Hot-Line
®
service.
NOTE If the instrument has lost all previous calibration data and you
see the message “Recalibration Needed”, pay close attention to
the displayed prompts. You will be requested to run a slightly
different sequence than described above.
Advanced
®
Cryoscope Model 4250 User’s Guide
42