MFJ-854 – RF Current Meter 1 – 30 MHz


Introducing the MFJ-854 RF Current Meter, the ultimate tool for accurate measurement of true RF currents. Whether you’re optimizing your antenna for peak performance or tracking down RFI-causing currents on household wiring and cables, the MFJ-854 is your go-to solution.

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With its easy-to-read meter and convenient sense coil, the MFJ-854 provides fast and precise measurements. Simply snap the sense coil over wires and cables to get instant readings. With five selectable ranges, you can measure actual RF current from 30 mA to 3 amps full scale. Plus, the sixth range with variable sensitivity control allows for quick and efficient checks, even detecting RF currents as low as 1 mA.

The MFJ-854 is not only powerful but versatile as well. It can be used with an MFJ SWR Analyzer as the source to drive your antennas, making it sensitive enough to handle any task. Its linearity compensation circuitry ensures accurate measurements, especially at low RF currents. Covering a wide range from 1 MHz to 30 MHz and beyond, this meter delivers accuracy across the entire HF spectrum.

What sets the MFJ-854 apart is its low-interaction design. The sense coil has minimal effect on circuits under test, ensuring reliable and unbiased measurements. It also accommodates most cables, accepting sizes up to approximately 1/2 inch in diameter. Equipped with a press-to-test power circuit, the MFJ-854 automatically turns off after 15 seconds, conserving battery life.

Speaking of battery life, the MFJ-854 boasts long-lasting performance, drawing only 3 mA. Its rugged all-aluminium case and G-10 PC board guarantee durability, while its handheld size makes it lightweight and portable, weighing just 11 ounces. Backed by MFJ’s famous No Matter What one-year limited warranty, you can trust in the quality and reliability of the MFJ-854.

Invest in the MFJ-854 RF Current Meter today and experience the precision, versatility, and durability that MFJ is renowned for. Optimize your antenna, track down RFI, and elevate your measurement capabilities with ease. Don’t settle for anything less than the best – choose the MFJ-854 RF Current Meter.


Additional information

Weight 0.5 kg