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everything needed for a full two-point pH calibration and ORP electrode verification
Easy-to-use 500ml bottle
Maintain clean
Unique no-soak formula
and temperature in a single waterproof device
Hanna Instruments pH & ORP Calibration Buffer Solution Sachets inbuilt everything needed for a fullEnsure accurate and reliable calibration of your pH and ORP sensor with these NIST traceable Hanna Instruments buffer solution sachets. The kit includes pH 4. 01, pH 7. 0, and a 470mV ORP test solution, everything needed for a full two point pH calibration and ORP electrode verification. Features: Includes 3x pH 4. 01, pH 7. 0, and 470mV ORP sachets 20ml per sachet
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