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Ameritron 811A Tube
5" and plugs into your nearest 120VAC outlet
Hi-Q tank circuit and commercially rated RF power components give you nearly 70% plate efficiency over most of the amateur bands
-Instant bandswitching
Front-panel meters with backlight let you monitor voltage and current simultaneously
ADM55-1E, DIGITAL 220 VACLINE VOLTMETER, 130-300V, EURO PLUG Features_Wattmeter Ameritron 811A Tubemeasures AC 130 to 300V, has Europlug 220V. These handy digital voltage meters let you monitor voltage on your AC outlets on a large 1. 5Wx. 75H inch cool blue LED backlighted display. Keeps you aware of brown outs, over voltage or low power that could cause harm to your amplifier. Voltage digits are a huge 3 4! Each plugs directly into your wall outlet and consumes less than 1 Watt about every killowatt hour. Accuracy is + 1. 5%. Compact 21 8Wx11