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Power Supplies
(Power Supply, Switching, Analog, Single, Dual and Triple Output)

DC Power Supplies for Field, Bench-top and Laboratory use. RDI provides a selection from multiple manufactures including Extech, LabPower and STI. Both adjustable and fixed voltage models are available. Constant current or voltage units are also available. The STI CMCP515 Series Power Supplies are DIN Rail mountable and designed for permanent installation. Whether you are bench testing doing field calibration or designing a permanent installation RDI has DC Power Supplies to fit your application.


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382203 Analog Triple Output DC Power Supply Extech 382203 Analog Triple Output DC Power Supply

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
  • Current limiting indicator
  • Overload and short circuit protection
  • Binding post terminals for variable supply

Our Price: $179.99
382213 Digital Triple Output DC Power Supply Extech 382213 Digital Triple Output DC Power Supply

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
  • Current limiting indicator
  • Overload and short circuit protection
  • Binding post terminals for variable supply

Our Price: $199.99
382280 Precision DC Power Supply with Programmable 200W Output Extech 382280 Precision DC Power Supply with Programmable 200W Output

40V/5A Programmable Supply with High Resolution Output and 200 Test Setup Memories

  • High resolution (1mV and 1mA) user programmable output
  • Selectable constant Voltage or Current modes
  • 0 to 60 second programmable overload delay timer
  • Storage/Recall memory High stability with low ripple and noise Bi-directional PC interface commands allow setup and readback using Windows?
  • HyperTerminal or similar PC communications programs

Our Price: $649.99
382200 Digital Single Output DC Power Supply up to 30V/1A Extech 382200 Digital Single Output DC Power Supply up to 30V/1A

Adjustable 30V/1A Supply with dual LCD displays
  • Constant voltage or current
  • Dual backlit LCD displays for voltage and current
  • Short circuit protection
  • Current limiting
  • High load/line regulation
  • Low noise/ripple
  • Banana plug output terminals
  • Complete with power cord

Our Price: $134.99
382200 Digital Single Output DC Power Supply up to 18V/3A Extech 382202 Digital Single Output DC Power Supply up to 18V/3A

Adjustable 18V/3A Supply with dual LCD displays
  • Constant voltage or current
  • Dual backlit LCD displays for voltage and current
  • Short circuit protection
  • Current limiting
  • High load/line regulation
  • Low noise/ripple
  • Banana plug output terminals
  • Complete with power cord

Our Price: $144.99
Extech 382260 80W Switching Mode DC Power Supply Extech 382260 80W Switching Mode DC Power Supply

80W Switching Mode DC Power Supply
  • Performs like 3 power supplies in one
  • 3 selectable ranges: 0 to 16V/0 to 5A; 0 to 27V/0 to 3A; 0 to 36V/0 to 2.2A
  • 4-Digit LED displays
  • Front/Rear output terminals

Our Price: $279.99
Extech 382270 Quad Output DC Power Supply Extech 382270 Quad Output DC Power Supply

Quad Output DC Power Supply
  • Two fully adjustable supplies combined with two auxiliary outputs
  • Two 0 to 30V/0 to 5A outputs with selectable Constant Voltage and Constant Current modes
  • Two auxiliary outputs with fixed current of 3 to 6.5V/3A and 8 to 15V/1A

Our Price: $479.99
Extech 382290 900W Switching Mode DC Power Supply Extech 382290 900W Switching Mode DC Power Supply

900W Switching Mode DC Power Supply
Remote Control Operation for output power on/off and voltage/current adjustment

Our Price: $799.00
CMCP515 Series 24 VDC Power Supplies 110/220 VAC CMCP515 Series 24 VDC Power Supplies 110/220 VAC

The CMCP515 Series Power Supplies have a 24 VDC Output and are DIN Rail mounted. They are recommended for use with the CMCP500 and CMCP420VT Series Transmitters and Monitors as well as -24 VDC Proximity Probe Systems.

Our Price: $64.00