- 9 -
affected at all.
4)
NEVER store the probe in pure water like tap, RO, distilled, or deionized water as they could
damage the pH probe. If this happens, immediately soak the pH probe Apera 3M KCL soaking
solution overnight, then re-calibrate it before using. Pure water is only for rinsing the probe.
11. Parameter Setting
Table of Settings
Parameter Setting
1)
When the meter is turned off, long press
to enter parameter setting →short press
to
switch P01-P02… →P8. Short Press
, parameter flashes → short press
to adjust
parameter → short press
to confirm →Short press
to exit parameter setting and go
back to measurement mode.
2)
Auto. Lock (P02)
– Users can set the auto lock time from 5 to 20 seconds. For example, if 10
seconds is set, when the measured value is stable for more than 10 seconds, the measured value
will be automatically locked, and the HOLD icon will be displayed. Short press
to release the
lock. When the setting is "Off", the Auto. lock function is turned off, that is, the measured value
can only be manually locked. Short press
to lock or unlock the measured value. The HOLD
icon will be displayed when reading is locked.
3)
Auto. Backlight (P03)
─
Users can set the automatic backlight time for 1 to 8 minutes. For
example, if 3 minutes is set, the backlight will turn off automatically after 3 minutes; when the “Off”
is set, the auto. backlight function will be turned off, and short press
to manually turn the
backlight on or off.
4)
Auto. Power off (P04)
─
The auto. power off time can be set to 10 to 20 minutes. For example,
if 15 minutes is set, the meter will automatically shut down after 15 minutes if no operation; when
“Off” is set, the auto. power off function will be turned off. Long press
to manually shut down
the meter.
5)
pH Calibration Reminder (P07)
– set X hours (H) Or X days (D) in ZenTest mobile app – settings
– Parameter – pH – Calibration Reminder. On the meter, you can only check the values that’s
been set up on ZenTest App. For example, if 3 days is set up, the Er6 icon (see Figure-4) will
Symbol
Parameter Setting Contents
Content
Factory Default
P1
Temperature Unit
˚C –
˚F
˚F
P2
Select automatic lock
5-20 seconds
–
Off
Off
P3
Automatic Backlight Off
1-8 minutes
–
Off
1
P4
Automatic Power Off
10-20 minutes
–
Off
10
P5
pH Buffer Series Selection
USA
–
NIST
USA
P6
pH Resolution
0.1
–
0.01
0.01
P7
pH Calibration Reminder
H-hours D-Days (set up in
ZenTest App)
/
P8
pH back to factory default
No
–
Yes
No
