Welcome to the voltagestandard.com online store

Shipping will be closed from Feb. 16 thru March 15 while our 3458A is out for calibration; we apologize for the inconvenience.

For sales and service for DMMCheck Plus, please go to www.dmmcheckplus.com

PentaRef will start shipping in March

Note to customers in Italy: To avoid problems with packages "disappearing" in Italian Customs and not received by customer, we only ship via United States Postal Service Priority Mail International, which includes insurance.