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
สารละลายมาตรฐานความขุ่น 20 NTU
เครื่องควบคุมค่าความนำไฟฟ้า
เครื่องวัดปริมาณฟอสเฟต ช่วงสูง รุ่น HI717
HI770 Checker HC ® - Silica, HR
HI723 Checker HC ® - Chromium VI, HR
HI98127 pH/°C-Tester (0.1 pH resolution) - waterproof
BL983314-1 Resistivity Mini Controller, 0.00 to 19.90 MΩ/cm - 230V
HI9124 pH / °C Meter, Waterproof Portable
HI2001 - ORP Electrode Process
BL983322-1 EC Mini Controller, 0 to 19.99 µS/cm, 230V
HI701 Checker HC ® - Free Chlorine
HI761 Checker HC ® - Total Chlorine, ULR
HI715 Checker HC ® - Ammonia, MR
เครื่องวัดปริมาณคลอรีนรวม รุ่น HI711 

