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
HI721 Checker HC ® - Iron
HI2020 edge™ - pH Meter
HI7007L - 7.01 pH@25°C - SQ - 500ml
HI715 Checker HC ® - Ammonia, MR
Marine Salinity Waterproof Tester
HI771 Checker HC ® - Chlorine, Ultra-High Range
HI5007 - 7.01 pH@25°C - TQ - 500ml
HI98304 DiST®4 EC-Tester (up to 19.99 mS)
BL981411-1 pH Mini Controller (Res 0.1pH) - 220V
HI70004C - 4.01 pH@25°C - SQ Zert. - 25x20ml
HI98308 PWT - Pure Water Tester - Conductivity (up to 99.99 µS/cm)
HI10530 Digital pH-Electrode, Conical Tip, Glass, Refillable (edge)
เครื่องวัดปริมาณแอมโมเนีย ช่วงต่ำ รุ่น HI700 

