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
เครื่องวัดปริมาณไนไตรท์ ช่วงสูง ในตัวอย่างน้ำ รุ่น HI708
HI7074L - RfE - Anorganische Substanzen - 500ml
HI713 Checker HC ® - Phosphate, LR
HI6200405 - AmpHel Process ORP Electrode
HI73127 Spare-pH-Electrode for Tester
HI95771-01 Chlorine HR - Reagents-Kit - 100 Tests
HI98312 DiST®6 EC/TDS/C°-Tester, (0.00-20.00 mS/cm - 0.00-10.00 g/l (ppt)) waterproof
HI700 Checker HC ® - Ammonia, LR
HI717 Checker HC ® - Phosphate, HR
เครื่องวัดปริมาณโบรมีน ในตัวอย่างน้ำ รุ่น HI716
HI5012 - 12.00 pH@25°C - TQ - 500ml
HI98121 COMBO pH/ORP/°C-Tester, waterproof 


