Hanna Instruments pH & ORP Calibration Buffer Solution Sachets inbuilt keeping your water clean

keeping your water clean

Regulator dial to control amount of water flow when cleaning filter cartridges

and temperature in a single waterproof device

and battery status display

The all-in-one commercial ice bath for one person

Hanna Instruments pH & ORP Calibration Buffer Solution Sachets inbuilt keeping your water cleanEnsure 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