The MFJ-853 Clamp-On RF Current Meter is a calibrated device designed to accurately measure RF current in antenna elements, ground wires, and coax shields. It conveniently slips over a mobile whip to help tune for maximum current and radiation. With .3, 1, and 3 Amp ranges, this meter provides versatility in measuring different levels of RF current. The non-metallic case of the meter minimizes field disturbance, ensuring precise readings.

This RF current meter is a valuable tool for radio enthusiasts and professionals alike. Its ability to measure RF current in various components such as antenna elements and coax shield makes it a versatile instrument for tuning and optimizing radio setups. The ease of use, with the meter simply clamping onto the desired component, adds to its practicality in the field.

The non-metallic case of the MFJ-853 Clamp-On RF Current Meter not only ensures accurate readings but also minimizes field disturbance. This feature is crucial for obtaining reliable measurements in environments where electromagnetic interference could affect the readings. With its precise measurements and user-friendly design, this meter is a must-have for anyone working with RF currents.