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
HI93757-01 Ozone - Reagents - 100 Tests
Checker® Plus pH Tester
น้ำยามาตรฐานสอบเทียบ
HI713 Checker HC ® - Phosphate, LR
HI98183 pH / ORP / °C Meter + PC Interface, Waterproof
HI98128 pH/°C-Tester (0.01 pH resolution) - waterproof
BL983313-1 EC Mini Controller, 0 to 1999 µS/cm, 230V
HI8931BN Conductivity Controller (0.01mS/cm resolution) with Input from Probe or Transmitter
HI727 Checker HC ® - Color of Water
HI96711-11 CalCheck ™ Chlorine Total Calibration-Set
Reagents for HI 713 Checker HC ®, 25 Tests
HI723 Checker HC ® - Chromium VI, HR
HI710006 Power Adapter, 230 Vac to 12 VDC, European Plug
BL983329-1 TDS Mini Controller 0.0 to 999 mg/L (ppm) - 230V
เครื่องวัดปริมาณคลอรีนรวม รุ่น HI711 

