10.
When the last measurement is stable, push and hold to save the calibration and go
to continuous measurement mode. "END" shows on the display.
Note: "ECAL" shows on the display if the calibration was not successful. Refer to
on page 10.
11.
Rinse the sensor and cap with deionized water and blot dry.
Measurement
Note: Air bubbles under the probe tip when submerged can cause slow stabilization or error in
measurement. Shake the tester from side to side to remove air bubbles.
1.
Set the power to on.
2.
Remove the cap from the sensor.
3.
If the lock icon shows on the display, push to go to continuous measurement mode.
4.
Rinse the sensor and cap with deionized water and blot dry.
5.
Pour the water sample into the cap to the fill line.
6.
Put the sensor fully into the cap. The measured value shows on the top line.
7.
To keep the measured value on the display when the sensor is removed from the
sample, push .
Note: The lock icon shows on the display when the measurement is stable.
8.
To measure another sample, do steps
.
9.
When done with measurements:
a.
Rinse the sensor and cap with deionized water.
b.
Put the cap on the tester.
c.
Set the power to off.
Advanced operation
Configure the settings
1.
Push and hold until "SEt" shows on the display.
2.
Push to scroll through the settings. The current value of the setting shows on the
bottom line.
Option Description
Unit
Select the temperature unit that shows on the display—Celsius (default) or
Fahrenheit.
bUFr
Select the pH buffers that are used for auto calibration—USA (4.01, 7.01, 10.01,
default), NIST (4.01, 6.86, 9.18) or Cus (custom standard).
Note: "Cus" can only be selected on the Pocket Pro+ tester.
AOFF
Set the auto-off feature to on (default) or off. When set to on, power is automatically
set to off after 8 minutes of no activity.
ACAL
Enable or disable pH calibration reminder—Yes (enable, default) or No (disable).
When set to Yes, "?" shows next to the calibration icon on the pH screen when a pH
calibration is due.
rSEt
Change the settings to the factory defaults—Yes or No (default). When set to Yes,
changes the settings to the factory settings and default values.
3.
To change the value of the setting, push
or
.
4.
When done with changes, push and hold until "End" shows to go to continuous
measurement mode.
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