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MFJ Enterprises, Inc.
300 Industrial Park Rd
Starkville, MS 39759 USA
MFJ-870 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
Frequency Range
Power Range
Power Scale
Maximum Power
Accuracy
VSWR
Min Power required = 3 Watt for F.S.D.
Input/Output Impedance
Input/Output Connectors
Dimensions (W/H/D) in
Weight (lbs)
Accessories
Instruction Manual & Lead wire with DC Plug
Front Panel
MFJ-870
1.6 - 60 MHz
1W to 3KW
30W, 300W, 3KW
3KW (up to 1 minunte maximum)
+/- 10% (AVG)
50 Ohms
SO-239
7.5 X 4.25 X 3
1 lb 11oz
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Table of Contents
Related Manuals for MFJ Enterprises MFJ-870
Summary of Contents for MFJ Enterprises MFJ-870
- Page 1 MFJ Enterprises, Inc. 300 Industrial Park Rd Starkville, MS 39759 USA MFJ-870 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: •...
- Page 2 Back Panel Explanation of Features: Meter Display: Indicates Forward/Reflected Power in Watts and SWR ratio. Function Switch: Selects Forward Power, Reflected Power, SWR SET, and SWR. Range Switch: Selects RF Power Ranges of 30W, 300W, and 3KW. SWR SET Control Knob: Sets full scale deflection when measuring SWR. AVG/PEP Monitor: Selects Average or PEP RF Power Readings.
- Page 3 VSWR MEASUREMENT Set the FUNCTION switch to the ‘SWR SET’ position. Set the radio transceiver to transmit mode. Slowly turn the “SWR SET” Contol Knob clockwise until the meter point is at the ‘CAL t’ position. This should be full scale. Set the FUNCTION switch to the ‘SWR’...
- Page 4 Wired and tested PC board products are covered by this warranty provided on the wired and tested PC board product is returned. Wired and tested PC boards installed in the owner’s cabinet or connected to switches, jacks, or cables, etc. sent to MFJ Enterprises, Inc. will be returned at the owner’s expense unrepaired.
- Page 5 12. This warranty gives you specific rights, and you may also have other rights which vary from state to state.
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