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Extech Instruments PH220 - Meter Description; Basic Display Description

Extech Instruments PH220
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PH220-EU-EN V3.2 8/12
3
Meter Description
1. Battery Compartment (under holster)
2. Rubber Holster
3. LCD Display
4. Function buttons
5. Electrode input
Basic Display Description
1. Measurement value
2. Battery status
3. Units of measure
4. Temperature units
5. Solution temperature
Note that there are other more
specialized displays that appear on the LCD that have not been included in this basic operation
display description. Other display icons are used and are discussed in the appropriate sections of
this manual.
Order of Operations
1. Calibrate the instrument as described later in this manual.
2. Configure the meter to display in the desired units of measure for temperature (
o
C or
o
F). This is
included as a step in the pH measurement instructions.
3. Pay close attention to detail, step by step instructions, and electrode cleaning/rinsing
recommendations. Slight deviations in test procedures and test habits can have a significant
effect on test results.
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