The 4391 wattmeter is obsolete and has been replaced with the 4391A. The 4391 manual can be found here: 4391 Wattmeter Manual
Articles in this section
- Why is the SWR reading for my 4391A is high and not matching up with what I calculated?
- What details might I need to be aware of when monitoring the remote meter outputs of a Wattcher Series RF power monitor?
- What is the replacement part number for the power supply that comes with the model 4314C wattmeter?
- Are High Power elements and Wattmeters calibrated together?
- Do I have to send wattmeters and elements in at the same time?
- 2080-044 Meter Repair Kit
- 2080-002 Meter Repair Kit
- Ham-mate 4362 Wattmeter
- 4391A Manual
- 4391 Wattmeter Manual
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