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 3–7.
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.
Unit Select the salinity unit that shows on the display— ppt or %.
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.
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.
Maintenance
C A U T I O N
Multiple hazards. Only qualified personnel must conduct the tasks described in this
section of the document.
Clean the sensor
Clean the sensor when:
• Stabilization is slow
• Results drift or are not accurate
1. Soak the sensor in the applicable cleaning agent. Refer to Table 3.
2. Rinse or soak the sensor in deionized water for 1 minute.
Table 3 Cleaning agents
Contaminant Cleaning agent Time
Grease, oils and fats Electrode cleaning solution 2 hours maximum
Mineral buildup 10% hydrochloric acid (HCl) solution 5 minutes maximum
8
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