Tinsley has manufactured two high-performance lcr meters viz.: model 4255 and model 4275 from wayne kerr, the uk. It includes features like: test frequency up to 120 mhz, basic measurement capacity up to 0.02%, external dc bias current up to 125 a, fast measurements and sweep-mode functions, various telecom measurements and inductance and magnetic analyses. Model 4255 gives accurate testing of passive components at frequencies up to 500 khz. Model 4275 gives additional frequency coverage up to 1 mhz.
