Apera Instruments Salt20

4
6. Notes
6.1 The tester has self-diagnosis functions:
Symbol
Self-Diagnosis information
How to fix
Wrong calibration solution,
which exceeds the
recognizable range of the
meter.
1. Check if calibration solution is
correct
2. Check if probe is damaged.
is pushed before
measurement is stable
( comes up)
Wait for the smile icon to stay,
and then short press
6.2 The tester has already been calibrated after manufacture. Usually users can
use the tester right away, or test it in the calibration solutions to test its
accuracy. When error is large, calibrate it before using.
7. Parameter Setting
7.1 Parameter setting reference chart:
Symbol
Parameter Setting content
Code
Factory Default
P1
Select salinity unit
ppt – mg/L
ppt
P2
Restore to factory default
No – Yes
No
7.2 How to setup parameters:
When turned off, long press to enter setup → short press to switch
P1-P2→ Short press , parameter flickering→short press to choose,
short press to confirm parameter selection→Long press to switch off.