Cannon Instrument miniAV-X User Manual

Page 39

CANNON

miniAV-X Automatic Viscometer with VISCPRO

Instruction & Operation Manual

Version 1.0b— March, 2012;

CANNON

Instrument Company

2139 High Tech Road • State College, PA 16803 • USA

The miniAV-X Calibration window

9. Use the spin controls

to select the desired

Bulb

for calibration.

Selecting samples

10. Select (or deselect) the specific sample entries you desire to use for

calibration from the displayed list by clicking on them. To select a
range of samples, highlight the first sample and click on the last
sample while simultaneously pressing the

S key. To select

several individual samples for calculation, hold down the

C key

and click on each of the desired samples.

NOTE

You must select at least two entries or the software will not recalculate
the constants.

11. When the desired samples have been selected, click on

Calculate

New Constants

. The new constant(s) for that bulb,

and

, will be

displayed in their respective fields at the bottom of the window.

You may evaluate the accuracy of the new calibration constants by
comparing the known viscosity for the standard with the calculated
viscosity for each standard selected for the new calibration. This
difference is displayed as a percentage in the last column (

% Diff

) of

the updated sample list box.

Comparing current/new data The

Show Calibration Data

button is a toggle that will permit you to

compare current and new calibration data and constant information. Press
the

Show Calibration Data

button once to view the current calibration

information. Note that the button name will change to

Display Sample

Data

. Press the button again to display the new calibration parameters.

When/if you are satisfied with calculation results, click on

Update Tube

to save calibration values for the current configuration.