

🔬 Stay sharp, stay ahead—precision testing made effortless.
The Extech EC505 is a durable, waterproof replacement module for the EC500 ExStik II meter, combining pH and conductivity sensors in one unit. It offers quick, hassle-free installation without recalibration, delivering reliable, high-accuracy measurements for professionals in environmental monitoring, water treatment, and industrial quality control—all backed by a one-year warranty.
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