Hanna Instruments HI 93114 User Manual

Page 14

DIAGNOSTIC MODE

HI 93114 facilitates operations by providing a
diagnostic mode. In this mode, user can set
or verify different parameters necessary to
ensure optimum performance of the meter.
To enter the diagnostic mode, turn the meter
on and momentarily press ALT and CAL to-
gether. The display will show four dashes to-
gether with “d 00”:

Using the , and

keys, select the re-

quired diagnostic mode and press the

key.

The meter will execute one of the following
user-diagnostic functions:

Customizes automatic shutdown

Selects User or Factory functions

Turns logging mode on or off

Calibrates span in turbidimetric mode

Calibrates span in colorimetric mode

Clears the logged memory

The following diagnostic modes are reserved
for authorized service technicians:

Shows the Blank level in colorimetric mode

Shows the Sample level in colorimetric mode

Shows the Dark level in colorimetric mode

Shows the Ground voltage

Shows 5V on-board level

Shows battery voltage level

Shows 1.23V reference voltage level

Shows -5V on-board level

Shows software version number

Subsequently, the up-
per display will show
“----”, indicating that the
meter is calibrated and
ready to measure the
concentration of an un-
known sample.

By pressing the CAL key dur-
ing calibration, the calibration
mode can be exited at any time
without changing the previously
stored calibration data.