G0KYA's Amateur Radio Blog: Repairing a cross-needle SWR meter
MFJ-815B SWR Power Meter
How to Read Crossed-Needle SWR/Watt Meters (#315) - YouTube
2pcs RPM RADIO SWR Watt Meter American MFJ Standing Wave Meter VU Meter Radio Station Power Meter Transmitter with Backlight
Rpm Radio Swr Watt Meter American Mfj Standing Wave Meter Vu Meter Radio Station Power Meter Transmitter With Backlight - Home Theater Amplifiers - AliExpress
MFJ-836 RF IN-LINE CURRENT/SWR/WATTMETER, 1-30MHZ, 3A - Main Trading Company
MFJ-864 HF UHF VHF Cross-Needle SWR Power Meter Wattmeter (good condition) | eBay