General information about our pH buffers / calibration:
Available grades:
Technical Quality
The buffer solutions of HANNA instruments include solutions from pH 1.00 to pH 13.00 and allow calibration over the entire pH scale with an accuracy of ± 0.01 pH. The buffer solution series is particularly suitable for pH measurements that require high accuracy. All solutions with certificate of analysis.
Millesimal Quality
Accuracy of ± 0.002 pH for calibration of measuring instruments with 0.001 resolution. All solutions in opaque packaging with certificate of analysis.
Standard Quality
Accuracy of ± 0.01 pH in different packaging, with or without a certificate of analysis.
Available packages: Bottle: 230ml – 500ml – 1L Can: 3.78 L (gal) Individual portions – and virtually always fresh & no contamination risk Shelf life up to 5 years
HI706 Checker HC ® - Phosphorous, HR
HI7039L - EC 5000 µS/cm@25°C - 500ml
HI7032L - 1382 mg/L (ppm) TDS @25°C - 500ml
HI70032C - 1382 mg/l (ppm) TDS@25°C Cert. - 25x20ml
Multiparameter pH/ORP/EC/Pressure/Temperature Waterproof Meter
HI7034L - EC 80000 µS/cm@25°C - 500ml
HI715 Checker HC ® - Ammonia, MR 


