WDAP-60 automatic Polarimeter is the basic scientific instrument used to measure angle of rotation, specific optical rotation of optically active substance.
The meters is capable of calibrating up to 5 points using standard solution. From Setup Menu, choose Calibration and press key to set known conductivity value, immerse conductivity electrode into calibration solution, press ENTER Key and meter is automatically calibrated.
WDO-50 use a polarographic electrode to measures dissolved oxygen in water, it can display the oxygen level as % saturation from0 to 200% or concentration from 0 to 20ppm (mgL).