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
เครื่องควบคุมค่าความนำไฟฟ้า
HI5011 - 11.00 pH@25°C - TQ - 500ml
HI93754A-25 Low Range COD Reagent (0 to 150 mg/L)
HI98501 Checktemp® Thermometer (°C)
BL983318-1 TDS Mini Controller 0.0 to 10.00 g/L (ppt) - 230V
HI7078 Electrolyte solution 4 x 30 ml
BL1.5 Black Stone Dosing Pump 1.5lph 13 bar
BL983322-1 EC Mini Controller, 0 to 19.99 µS/cm, 230V
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