The author is a broadcast contract engineer who has a unique way of measuring the carrier frequency of the AM stations in his care. Making off-air frequency measurements of AM broadcast stations can ...

Modern digital multimeters (DMMs) are user-friendly, accurate, and safe — when used correctly! Reading voltage is simple, but measurements must be properly interpreted. With a clamp-on DMM, accurate ...

Digital multimeters are precise and accurate instruments, with some models being very expensive. No matter the cost, one problem pervades every one of these devices: They do a poor job of conveying ...

Santa Clara, Calif. — Agilent Technologies Inc. has introduced the U2741A USB modular digital multimeter (DMM). Roughly the size of a paperback book, the 5.5-digit U2741A DMM is the latest member of ...

System-level DMMs continue their incremental improvement. Some vendors have provided faster reading rates with no loss of resolution or accuracy. On other models, more features have been made ...