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
HI98304 DiST®4 EC-Tester (up to 19.99 mS)
HI98303 DiST®3 EC-Tester (up to 1999 µS)
H3895 CTK Agriculture, Basic
HI93752-01 Calcium and Magnesium HR, Oxalate (Ca) and Calmagite (Mg) (100 Tests)
HI2003 - edge® Dedicated Conductivity/TDS/Salinity Meter
HI904D Karl Fischer Coulometric Titrator with Diaphragm Generator - 1ppm to 5%
เครื่องวัดปริมาณโบรมีน ในตัวอย่างน้ำ รุ่น HI716
HI3822 CTK Sulfite
เครื่องควบคุมค่าความนำไฟฟ้า 

