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
HI4001-00 ISA Alkaline for Ammonia & Cyanide ISE, 500 ml Bottle
HI708 Checker HC ® - Nitrite, HR
HI705 Checker HC ® - Silica, LR
เครื่องวัดปริมาณคลอรีนอิสระ รุ่น HI701
HI716 Checker HC ® - Bromine
BL10 Black Stone Dosing Pump 10.8 lph 3 bar
HI96821 Sodium Chloride - Digital Refractometer Portable
เครื่องวัดปริมาณฟอสเฟต ช่วงสูง รุ่น HI717
ชุดทดสอบแอมโมเนีย สำหรับน้ำจืด (HI3824)
เครื่องวัดปริมาณฟอสฟอรัส ช่วงสูง รุ่น HI706
HI5006 - 6.00 pH@25°C - TQ - 500ml
HI98127 pH/°C-Tester (0.1 pH resolution) - waterproof 


