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
HI716 Checker HC ® - Bromine
HI935005 K-Type Handheld-Thermometer - 1-Channel
HI708 Checker HC ® - Nitrite, HR
HI3812 CTK Hardness Total
CTK Härte Gesamt
HI98127 pH/°C-Tester (0.1 pH resolution) - waterproof
HI98129 COMBO Tester for pH/EC/TDS/C° up to 3999 µS, waterproof
HI98103 CHECKER pH -Tester (0.01 pH Resolution)
HI721 Checker HC ® - Iron
HI93729-01 Fluoride LR - Reagents - 100 Tests
HI981402 pH-Indicator with LED-Alarm & Electrode PRONTO
BL983315-1 TDS Mini Controller 0.0 to 199.9 mg/L (ppm) - 230V
HI711 Checker HC ® - Total Chlorine
HI38054 CTK Ozone
HI98120 ORP/°C-Tester, waterproof
HI3887 CTK pH & Free Chlorine
HI4013-06 Nitrate Interferent Suppressant ISA, 500 ml Bottle
HI7039L - EC 5000 µS/cm@25°C - 500ml
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