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
HI701 Checker HC ® - Free Chlorine
เครื่องวัดปริมาณฟอสเฟต ช่วงต่ำ รุ่น HI713
Reagents for Freshwater Alkalinity HI 775 Checker HC ®, 25 Tests
H3895 CTK Agriculture, Basic
HI70480 Free-chlorine reagent kit for PCA Series
BL983321-1 TDS Mini Controller 0.00 to 19.99 mg/L (ppm) - 230V
HI5321 Research Grade EC/TDS/Salinity/Resistivity Meter with USP
HI2004 - edge® Dedicated Dissolved Oxygen Meter
HI727 Checker HC ® - Color of Water
HI711 Checker HC ® - Total Chlorine
HI1043B - pH Electrode for high temperature & strong acid
HI715 Checker HC ® - Ammonia, MR
BL981411-1 pH Mini Controller (Res 0.1pH) - 220V
เครื่องวัดปริมาณแอมโมเนีย ช่วงสูง รุ่น HI733 

