Low cost Voltage References
              Malone Electronics                     
www.voltagestandard.com
418 W. Main St. #1542
Battle Ground, WA 98604 USA
email: doug@voltagestandard.com
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voltagestandard.com had its origins in 2007 with the publication of our Nuts and Volts magazine article, "Build a .01% Accurate Voltage Reference"
http://nutsvolts.texterity.com/nutsvolts/200709/?folio=52.  Since that time we have added products and now manufacture reference assemblies that utilize voltage reference IC's from Texas Instruments (REF5050ID) and Linear Technology (LT1021BCN8)


Our product line consists of several DC voltage references and a DMM tester


 
       VREF10-003, Precision DC Voltage Reference
10VDC, 0.003% accuracy DC voltage reference based upon Linear Technology LT1021BCN8-10, buried Zener reference- powered by two included 9V Alkaline batteries.  Picture on left shows PCB with batteries.  Picture on right shows PCB/batteries installed in optional enclosure with protective acrylic cover plate.                

      


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VREF5-01, Precision DC Voltage Reference

  Small, low cost, 0.01% accurate DC voltage reference based upon Texas Instruments REF5050ID- powered by included 9V Alkaline battery2.048V, 2.5V, 3V, 4.096V, 4.5V, and 5V units are also available.




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 PentaRef, 5 selectable DC reference voltages

PentaRef provides 5 different DC voltages of your choice between 0.1V and 10V - you choose the voltages to suit your needs.  Picture on left shows PCB with two included 9V Alkaline batteries.  Picture on right shows PCB/batteries installed in optional enclosure with protective acrylic cover plate.

                                     



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DMMCheck Plus, DMM Tester

DMMCheck Plus combines a 0.007% 5V DC voltage reference, precision 1.000mA AC and DC active current sources, and four unconnected 0.1%, 10ppm/C resistors (100K Ohm, 10K Ohm, 1K Ohm, 100OHm) for checking Ohmmeter portion of DMM.  Picture on left shows PCB with included 9V Alkaline battery.  Picture on right shows PCB/battery installed in optional enclosure with protective acrylic cover plate.



                                              



For more details, please click on the above pictures



Prices and specifications subject to change without notice.