Hoefer SP-2001 Vision Life Spectrophotometer - Manual (Page 21)

Version 1.0
Page 21
Standards screen
Step 8
Enter the concentration values by using the keypad numbers and
the up and down arrows to move between the different standard
boxes. Range 0.001 to 9999.
Step 9
Press Next
to enter the Calibration screen. If any duplicate or
non-monotonic (increasing entries) are present the unit will beep
and highlight the incorrect entry
OR
Press Back
to return to the Parameter screen.
Calibration Screen (replicates off)
This shows the calibration values and allows standards to be
measured.
Step 10
Insert the reference. Press 0A/100% key.
This will be used for all subsequent samples until changed.
Step 11
Insert the standard (use C to clear previously stored results
before measuring).
Press
to measure the standard and store the result.
Repeat for all standards.
A graph will display the results and the fitted curve as the
measurements are input.
Use the up and down arrows to select a standard to be repeated
if a poor reading has been obtained. Use C to clear the previous
reading.
Step 12
Press OK
to accept the calibration and go to the Results
screen (see below)
OR
Press Back
to return to the Standards screen.