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
HI5006 - 6.00 pH@25°C - TQ - 500ml
HI38040 CTK Iron Medium Range
เครื่องควบคุมค่าความนำไฟฟ้า
HI38054 CTK Ozone
เครื่องวัดปริมาณแอมโมเนีย ช่วงสูง รุ่น HI733
BL983329-1 TDS Mini Controller 0.0 to 999 mg/L (ppm) - 230V
BL983321-1 TDS Mini Controller 0.00 to 19.99 mg/L (ppm) - 230V
เครื่องวัดปริมาณไนไตรท์ ช่วงสูง ในตัวอย่างน้ำ รุ่น HI708
HI98129 COMBO Tester for pH/EC/TDS/C° up to 3999 µS, waterproof 


