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
HI7635 - Industrial Conductivity Probe
เครื่องวัดปริมาณไนไตรท์ ช่วงสูง ในตัวอย่างน้ำ รุ่น HI708
เครื่องวัดปริมาณฟอสฟอรัส ช่วงสูง รุ่น HI706
BL983327-1 EC Mini Controller upto 10.00 mS/cm, 230V
เครื่องวัดสีในน้ำตัวอย่าง HI727
HI755 Checker HC ® - MARINE Alkalinity (dHK)
BL983314-1 Resistivity Mini Controller, 0.00 to 19.90 MΩ/cm - 230V
HI1005 - pH Electrode, Flow-thru Monitoring for PCA
น้ำยามาตรฐานสอบเทียบ
HI717 Checker HC ® - Phosphate, HR
BL983321-1 TDS Mini Controller 0.00 to 19.99 mg/L (ppm) - 230V
HI711 Checker HC ® - Total Chlorine 

