Advanced
®
Micro-Osmometer Model 3320 User’s Guide
Follow the prompts on the instrument display. When the instrument
completes the test and reports the result, remove the sampler and
clean the cooling chamber, as described in Chapter 2 - Instrument
Operation. Continue testing 50 mOsm calibration standards until
this calibration point is complete.
3. The calibration program will now briefly read "850 mOsm
Calibration" and then prompt the user to insert an 850 mOsm cali-
bration standard. Again, follow the prompts on the instrument dis-
play. Continue testing 850 mOsm calibration standards until this
calibration point is complete.
4. If the 2000 mOsm Calibration has been turned ON in the Setup
Menu, then the calibration program will prompt the user to insert a
2000 mOsm calibration standard. Again, follow the prompts on the
instrument display. Continue testing 2000 mOsm calibration stan-
dards until this calibration point is complete.
If the 2000 mOsm Calibration has been turned OFF, then this addi-
tional series of calibration tests will be bypassed by the calibration
program.
5. Upon successful calibration, the instrument will briefly display
"Calibration Complete", then “Osmometer Ready”.
6. Verify the calibration by running a Clinitrol™ 290 Reference
Solution, before testing unknown samples. The user is encouraged
to run multiple samples.
Calibration notes
• The Model 3320 will retain its previous calibration data until it
completes a new calibration, and the display reads "Calibration
Complete".
• If the instrument has calibration information in memory, the results
displayed during the calibration procedure will be close to the nomi-
nal value of the standards used. If the instrument has no calibration
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