1 8
• After a few seconds the display will show
“-0.0-”
. The meter is now zeroed and ready
for calibration.
• Remove the cuvet.
• Place the
CAL CHECK™
Standard
HI 96770-11
Cuvet B into the cuvet holder and ensure that the
notch on the cap is positioned securely into the
groove.
• Press
READ /TIMER
and the instrument status
indicator will appear, depending on the
measurement phase.
• After measurement the instrument will show
for three seconds the Cal Check Standard value.
Note:
If the display shows
“STD HIGH”
, the
standard value was too high. If the display
shows
“STD LOW”
, the standard value
was too low. Verify that both
CAL
CHECK™
Standards
HI 96770-11
Cuvets A and B are free from fingerprints
or dirt and that they are inserted correctly.
• Then the date of the last calibration (e.g.:
”01.08.2007”
) appears on the display, or
“01.01.2005”
if the factory calibration was
selected before. In both cases the year number
is blinking, ready for date input.