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
HI7032L - 1382 mg/L (ppm) TDS @25°C - 500ml
HI7030L - EC 12880 µS/cm@25°C - 500ml
HI93501N FOODCARE Thermistor-Thermometer
HI70681L - Ink Stains - 500ml
HI96831 Digital Refractometer for Ethylene Glycol Analysis
HI716 Checker HC ® - Bromine
HI93703-0 AMCO-AEPA-1 Calibration Solution at 0 FTU, 30 ml
HI9828-25 - Quick Calibration Solution, 500 mL
H300N 2.5L Heavy Duty Magnetic Stirrer
HI710006 Power Adapter, 230 Vac to 12 VDC, European Plug
HI7075 Electrode filling solution 1.7M KNO3 + 0.7M KCl, 4 x 30 ml
HI3822 CTK Sulfite
HI991300 Multiparameter pH/EC/TDS/°C - EC to 3999 µS
เครื่องวัดปริมาณคลอรีนรวม รุ่น HI711
HI9147-04 Dissolved Oxygen / °C - Meter, Galvanic DO Probe
HI2211 Basic pH / ORP / °C Meter / 2-Point Calibration
HI98301 DiST®1 TDS-Tester (up to 1999 ppm)
เครื่องวัดปริมาณซิลิกา ช่วงต่ำ ในตัวอย่างน้ำ รุ่น HI705 




