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13. Parameter Settings
13.1 Table of Settings
Symbol
Parameter Setting Contents
Content
Factory
Default
P1
Temperature Unit
˚C – ˚F
˚F
P2
Auto. HOLD
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
P9
Conductivity Reference
Temperature
15˚C to 30˚C
25˚C
P10
Temp. Compensation Coefficient
0 to 9.99
2.00
P11
Conductivity Calibration Reminder
H-hours D-Days (set up in ZenTest App)
/
P12
Conductivity Back to Factory
Default
No – Yes
No
P13
TDS Factor
0.40 to 1.00
0.71
P14
Salinity Unit
ppt – g/L
ppt
13.2 Parameter Settings Examples
1) When the meter is turned off, long press
to enter parameter setting →short press
to switch P01-P02… →P14. 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-Hold (P02)
– You can set the auto-hold time from 5 to 20 seconds. For example, if 10
seconds is set, when the reading is stable for more than 10 seconds, the reading will be
automatically locked, and the HOLD icon will be displayed. Short press
again to cancel the
lock. When the setting is "Off" , the auto-hold function is turned off, the reading can only be
manually locked. Short press
to lock or unlock readings while measuring.
3)
Auto. Backlight (P03
) – You 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.
