Reference Tubes
By Semiconductor International Staff -- Semiconductor International, 11/1/2008
These reference tubes provide electrically equivalent output to accurately calibrate the manufacturer's thermocouple measuring instruments. The user can quickly and accurately verify the performance of any DV-Series instrument by simply plugging in the reference tube and adjusting the potentiometer if necessary. MDC Vacuum Products LLC, Hayward, Calif., www.mdcvacuum.com
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