pH300 V1.0 7/09
2
Introduction
Congratulations on your purchase of the Extech pH meter. For best results, please read
the entire manual before use.
The pH300 meter measures pH, mV, and temperature parameters. The built-in
microprocessor provides automatic calibration, automatic temperature compensation,
data storage, and self-diagnostics. The meter can recognize up to 13 types of pH
standard buffer solutions.
The meter’s digital filter improves measurement speed and accuracy.
Two special modes (ammonia and purified water) are provided.
The meter offers a backlit LCD display and is dust-proof and water-proof, meeting the
IP57 rating
This meter is shipped fully tested and calibrated and, with proper use, will provide years
of reliable service.
Supplied Equipment List
• pH300 Meter
• pH / ATC (Automatic Temperature Compensation) Electrode
• Standard buffer solutions (4.00pH, 7.00pH, and 10.01pH) / 50ml
• Screwdriver (for removing battery compartment)
• Batteries (2 x ’AA’ 1.5V)
• User’s Guide
• Carrying Case
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