California Instruments is a popular brand in the electronic test equipment marketplace. California Instruments has developed dozens of devices in this niche, including alternating current (AC) and direct current (DC) power supplies, waveform generators, electronic loads, and AC sources. Many different types of technicians and engineers purchase California Instruments products for consistent high quality. In 2007, the manufacturer Ametek acquired California Instruments, and it still manufactures California Instruments’ AC programmable power sources and markets them worldwide. Find a used, refurbished California Instruments oscillator, AC power source, DC power supply, frequency charger, or other test equipment item on sale at ValueTronics.com.