The Oakton WD-35653-11 Conductivity/TDS calibration solutions are cross checked using different test methods, premixed, and ready to use.

The WD3565311 solutions come in one pint bottles, with a conductivity value of 1413 µS.

Ideal for field use-take them to your test site for on-the-spot calibration. Pouches are labeled with equivalent values for ppm in KCl, NaCl and 442 and Conductivity values at 25°C and CAS numbers for “Right-to-Know” requirements. Each box contains twenty 20 mL pouches.