10
GENERAL OPERA
TIONS
To perform a CAL Check:
1. Press
CAL Check
key from measurement mode.
The
“Not Available“
message or the date/time
and status of the last CAL Check will be displayed
on the screen.
2. Press the
Check
key to start a new CAL Check. Press
the
key at any time to abort the validation
process.
3. Use the
keys to enter the certificate value
of the calibration standard found on the CAL Check
Standard Certificate. Press
Next
to continue.
Note:
This value will be saved in the instrument for future validation. If a new set
of calibration standards is obtained please update the certificate value.
4. Insert the
A ZERO
CAL Check Cuvette A then press
Next
to continue. The
“Please Wait...“
message
will be displayed during the measurement.
5. Insert the
HI97728B
CAL Check Cuvette B then
press
Next
to continue. The
“Please Wait...“
message will be displayed during the measurement.
6. When the CAL Check is complete the display will
show one of the following messages and the value
obtained during the measurement:
-
“PASSED“:
The measured value is within the accuracy
specification, no user calibration is required.