21
* 1 FTU = 1 NTU
HI 93703 will display several different LCD messages to help the
user throughout all operations.
The meter is in a ready state and
measurement or calibration can be
performed.
Calibration mode is active. If the CAL
key is not pressed within 6 seconds, the
meter will automatically switch to the
measurement mode.
Calibration date setting mode is active.
0FTU* standard for calibration is
required.
Calibration is in progress.
10FTU* standard for calibration is
required.
Last calibration date (MM.DD).
“Sample In Progress“: measurement is
being performed.
LCD AND ERROR MESSAGES