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
HI755 Checker HC ® - MARINE Alkalinity (dHK)
HI700 Checker HC ® - Ammonia, LR
HI3002 - Submersion Conductivity Process Probe
Marine Salinity Waterproof Tester
BL983320-1 EC Mini Controller 0 to 199.9 µS/cm, 230V
HI11311 Digitale pH-Elektrode mit Matchin Pin, Glas, nachfüllbar (edge)
BL983322-1 EC Mini Controller, 0 to 19.99 µS/cm, 230V
HI1217D - Replacement pH Electrode
HI5074 - 7.40 pH@25°C - TQ - 500ml
เครื่องวัดปริมาณคลอรีนอิสระ รุ่น HI701 


