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
เครื่องวัดปริมาณคลอรีนอิสระ รุ่น HI701
HI711 Checker HC ® - Total Chlorine
HI93714-01 Cyanide - Reagents - 100 Tests
HI99300 EC / TDS / °C Meter to 3999 µS
Turbidity (EPA method) and Chlorine Portable Meter - HI93414
HI700 Checker HC ® - Ammonia, LR
HI4004-01 ISE 0.1M Calcium Std , 500 ml Bottle
HI717 Checker HC ® - Phosphate, HR
HI5321 Research Grade EC/TDS/Salinity/Resistivity Meter with USP
HI7034L - EC 80000 µS/cm@25°C - 500ml
FC210B - pH Elektrode
HI991300 Multiparameter pH/EC/TDS/°C - EC to 3999 µS
HI98130 COMBO Tester for pH/EC/TDS/C° up to 20 mS, waterproof
HI70032C - 1382 mg/l (ppm) TDS@25°C Cert. - 25x20ml
เครื่องวัดคลอรีน
เครื่องวัดปริมาณฟอสฟอรัส ช่วงสูง รุ่น HI706 

