






🔬 Calibrate like a pro, measure like a boss!
The Apera Instruments AI1109 kit offers three precision pH calibration buffers (4.00, 7.00, 10.01) with ±0.01 accuracy, certified to NIST standards, produced under ISO 9001:2015 conditions. Color-coded and double-sealed for ease and longevity, it includes a 4oz 3M KCL storage solution to maintain pH/ORP electrode performance.







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