17
17
CALIBRA
TION PROCEDURE
(500 NTU) and “CAL P.4” is displayed. If desired, the value can be changed using the UP
or DOWN keys.
Note:
Press CAL/RCL to exit calibration. The instrument will memorize the three-point (<0.10,
15.0 and 100 NTU) calibration data and will return to measurement mode.
• Remove the 100 NTU standard cuvette from the meter and insert the 500 NTU standard cuvette
into the holder.
• Close the lid and press READ
“----” and the “Lamp and Read Status” indicator will blink again
while making the reading.
• At the end of the measurement, the four-point calibration is completed and the instrument returns
automatically to measurement mode.
6.2. OUT OF CALIBRATION RANGE FUNCTION
The instrument has an Out Cal Range function to alert the user (with “CAL” blinking message) when
taken measurement is outside the calibration range.