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General| Brand | Extech Instruments |
|---|---|
| Model | PH90 |
| Category | Measuring Instruments |
| Language | English |
Lists key attributes and functionalities of the pH/Temperature Meter for user reference.
Provides safety warnings regarding device handling, batteries, and disposal.
Provides initial setup steps including battery installation and electrode preparation.
Details the procedure for removing and installing replacement pH electrodes.
Explains how to turn the meter on/off and mentions auto power-off feature.
Explains the primary and secondary displays of the pH/Temperature Meter.
Details the two-point calibration procedure using buffer solutions for accuracy.
Instructions for taking pH measurements after calibration.
Explains how to freeze the displayed reading.
Instructions to restore the meter to its original factory settings.
Technical details including range, accuracy, resolution, and power requirements.
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