PH220A EXTECH [Extech Instruments Corporation.], PH220A Datasheet - Page 3

• Manufacturer Part Number: PH220A
• Description: Waterproof Palm pH Meter
• Manufacturer: EXTECH [Extech Instruments Corporation.]

Meter Description
Basic Display Description
Order of Operations
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.
1. Calibrate the instrument as described later in this manual.
2. Determine the test type (pH or ORP) and carefully follow the directions for the desired
3. Configure the meter to display in the desired units of measure for temperature (
4. Pay close attention to detail, step by step instructions, and electrode cleaning/rinsing
1.
2.
3.
4.
5.
1.
2.
3.
4.
5.
test.
o
recommendations. Slight deviations in test procedures and test habits can have a
significant effect on test results.
F). This is included as a step in the pH measurement instructions.
Battery Compartment (under holster)
Rubber Holster
LCD Display
Function buttons
Electrode input
Measurement value
Battery status
Units of measure
Temperature units
Solution temperature
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3
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2
3
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Model PH220 Version 3.1 11/2005
7.00
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C or
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