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Hanna Digital Combo Pen pH/TDS/EC/Temp
Model #98129.
Hanna’s Digital Waterproof Combo Pen is a great way to monitor pH, TDS and temperature with one pen.
This all inclusive pen features a large, dual level LCD screen that displays pH, TDS and temperature.
pH and EC/TDS readings are automatically compensated for the effects of temperature (ATC).
These technologically advanced testers have a replaceable pH electrode cartridge.
The replaceable EC/TDS graphite electrode resists contamination by salts and other substances.
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