Low cost Voltage References
              Malone Electronics                     
418 W. Main St. #1542
Battle Ground, WA 98604 USA
email: doug@voltagestandard.com
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A new website, www.dmmcheckplus.com, is now up and running to take care of sales and service for DMMCheck Plus units.  A DMMCheck Plus production run is in process now and available for purchase via the new website.  Thank you for your interest and your patience.

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 checker

Recently Improved VREF10-002, 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.                



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.


DMMCheck Plus, DMM tester


For more details, please click on the above pictures

Prices and specifications subject to change without notice.