Need help?Do you have a question about the MFJ MFJ-891 and is the answer not in the manual?
General| Type | SWR/Wattmeter |
|---|---|
| Dimensions | 2.25 x 3.25 x 1.25 inches |
| Weight | 0.5 lbs |
| Impedance | 50 Ohms |
| Connectors | SO-239 |
| Accuracy | ±5% |
| Display | Analog |
| Minimum Power for SWR | 5 W |
Displays FWD/REV power in watts and VSWR ratio.
Selects HF (out) or VUHF (depressed) bands; available on MFJ-894 only.
Selects RF power range multiplier x 1, x 10, x 100.
Selects Average or SSB PEP power measurement mode.
Controls the LED backlight ON/OFF function.
Screws for zero adjustment of the analog cross needle meter.
Coax connector to transmitter (50 ohm RF output).
Coax connector to antenna system (50 ohm).
Second pair of TX/ANT connectors, available on MFJ-894 only.
13.8V DC connection for meter LED illumination.
Set the RANGE switch to the proper meter multiplier (X1, X10, X100) for expected power.
Details power scale correlation for different MFJ models (e.g., MFJ-891, MFJ-892).
Select HF (out) or VUHF (depressed) band using the push button (MFJ-894 only).
Set radio to transmit and read the scale corresponding to the selected RANGE.
Select AVG for average RF power or PEP for Peak Envelope Power (SSB/AM).
Push button controls LED backlight and activates PEP mode (MFJ-891).
Avoid vibration, shock, excessive temperatures, humidity, and magnetic fields.
Observe maximum power limits and ensure correct transmitter/antenna connections.
Contact local dealer for service; dealer information is in the back of the manual.
12-month limited warranty against defects in material and workmanship.
Requires dated proof-of-purchase for warranty claims and service.
Return defective product postage prepaid with $7.00 for handling.
Free replacement parts supplied with $8.00 for postage and handling.
Warranty excludes kits, consequential damages, and modifications.
Address for in-warranty or out-of-warranty service: MFJ Enterprises, Inc., Starkville, MS.
To Next Page
