Variable dc power supply, programmable dc power supply, and dc digital power supply or 12v dc power supply, as well as ac output power supply from Extech Instruments, Unisource Corporation, and Protek.
Extech 382200 Digital Single Output DC Power Supply is an adjustable 30V/1A DC Power Supply with dual LCD display.
This DC Power Supply is solid state, compact, regulated supplies suitable for many applications including bench testing, field service, hobby and telecommunication equipment use. The 382200 Digital Single Output DC Power Supply
is shipped fully tested and calibrated and, with proper use, will provide years of reliable service.
Extech 382202 Digital Single Output DC Power Supply is adjustable 18V/3A DC Power Supply with dual LCD display. Extech model 382202 is solid state, compact, regulated supplies suitable for many applications including bench testing, field service, hobby and telecommunication equipment use.
This Digital Single Output DC Power Supply is shipped fully tested and calibrated and, with proper use, will provide years of
reliable service.
Extech 382203 Analog Triple Output DC Power Supply features: Adjustable to 30V/3A with fixed 5V and 12V outputs; Adjustable Voltage and Current output; Easy snap terminals for fixed 5V/0.5A and 12V/1A outputs; Constant Voltage or Current; etc.
Extech 382213 Digital Triple Output DC Power Supply features: Adjustable to 30V/3A with fixed 5V and 12V outputs; Adjustable Voltage and Current output; Easy snap terminals for fixed 5V/0.5A and 12V/1A outputs; Constant Voltage or Current; etc.
Extech 382280 Programmable 200 Watt Output Power Supply features: 40V/5A programmable supply with high resolution output and 200 test setup memories; High resolution (1mV and 1mA) user programmable output; High stability with low ripple and noise Bi-directional PC interface commands allow setup and read back using Windows HyperTerminal or similar PC communications programs; etc.
Protek 1805 single output dc power supply features: Constant Voltage or Constant Current operation; Excellent load, line and ripple specifications; Fully isolated outputs allow for series connections; Noise free linear technology for servicing RF circuits and high sensitivity amplifiers; etc.
This modern dual output dc power supply features: Noise free output for servicing RF equipment; Energy saver design allows cooler operation at all output levels for better stability and operating life; Excellent line and load regulation characteristics; Fully isolated outputs for series or parallel operation; Coarse and Fine voltage controls; etc.
This modern single output dc power supply features: Continuously variable Voltage and Current output; Short circuit and overload protected; Separate meters for monitoring voltage and current; Excellent regulation and ripple specs; etc.
This modern triple output dc power supply features: Noise free output for servicing RF equipment; Excellent line and load regulation; Fully isolated outputs for series or parallel operation; Coarse and Fine voltage controls; etc.
Testers and Tools 
