The 1413 µS/cm calibration solution is best suited for general use. This solution is also available in combined kits with HANNA pH 7 buffer for easy calibration of multiparameter instruments.
Order Information:
500 mL bottle, with certificate of analysis
HI723 Checker HC ® - Chromium VI, HR
HI76407A/P DO Membrane for probe HI 76407 (5 pcss)
HI70442P - 1500 mg/l (ppm) TDS@25°C - 25x20ml 

