Rigid crack resistant resinous casting composition

Ripple-free phase detector using two sample-and-hold circuits

Rms converter for obtaining fast rms measurements

Rms measuring apparatus for ac/dc voltages

Robotic device tester

Robotic twin probe for measurement on printed circuit boards...

Robust delay fault built-in self-testing method and apparatus

Robust electrical utility meter

Rod-core current transformer

Roll-independent magnetometer system

Room temperature cryogenic test interface

Root mean square measuring device for negative sequence current

Rotating machine shaft signal monitoring method and system

Rubber stock testing means

Ruggedized apparatus for analysis of nucleic acid and proteins