C&K also powers a variety of portable test equipment used for water quality analysis, energy testing, and automotive diagnostics. For battery test equipment, C&K offers a number of pushbutton and tact switch options for on/off control and operation. C&K’s tact switches and multi-position slide switches are also used on water quality test equipment such as PH meters, portable photometers, and TDS (total dissolved solids) meters. For automotive diagnostics, C&K’s tact, pushbutton, and rotary switches are commonly found on code readers and equipment for testing electrical systems, charging systems, air bags, brakes, and tire pressure sensors.