The tinsley group offers high performance lcr meters from wayne kerr, uk. Important features include test frequency up to 120 mhz, basic measurement accuracy up to 0.02 per cent, external dc bias current of up to 125 a, fast measurements and sweep mode functions, variety of telecom measurements, inductance and magnetic analyses. The model 4255 lcr meter provides economical, thorough and accurate testing of passive components at frequencies up to 500 khz. This lcr model is available with 0.05 per cent basic measurement accuracy. Model 4275 lcr meter is similar to the model 4255 featured above. However, it provides additional frequency coverage up to 1 mhz. This lcr model is available with 0.05 per cent basic measurement accuracy.