MFJ Enterprises, Inc.
300 Industrial Park Rd
Starkville, MS 39759 USA
MFJ-872, MFJ-873, & MFJ-874
SWR & Power Meter Instruction Manual
This SWR & Power meter is a highly accurate RF meter for measuring Forward Power,
Reflected Power, and VSWR.
Main Features:
• Large meter display for easy reading.
• Forward RF power readings, switchable to indicate either average power of Peak
Envelop Power (PEP) for SSB and AM transmitters.
• Reflected RF power readings.
• VSWR ratios.
• Illuminated meter.
• Convenient control for easy operation.
Model MFJ-872 MFJ-873 MFJ-874
Frequency Range 1.8 - 200 MHz 125 - 525 MHz 1.8 - 525 MHz
Power Range 1W to 200W
Power Scale 5W, 20W, 200W
Maximum Power 200W
Accuracy 5W Range +/- 10% (AVG)
+/- 15% (PEP)
20W-200W Range +/- 5% (AVG)
+/- 10% (PEP)
VSWR Min Power required = 1 Watt for F.S.D.
Input/Output Impedance 50 Ohms
Input/Output Connectors SO-239
Dimensions (W/H/D) in 7.5 X 3.35 X 5.3
Weight (lbs) 1.76
Accessories Instruction Manual & Lead wire with DC Plug
Front Panel
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