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    Low-Cost Meter Eyes AC Line Frequency

    June 1, 2000
    The Model UP416ACF three-digit, LED panel meter monitors ac line frequency between 30 to 80 Hz with an accuracy of 0.5% ±1 digit. The meter is powered directly from the ac line and consumes less than 5W.By using a step-down transformer input, the

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    The Model UP416ACF three-digit, LED panel meter monitors ac line frequency between 30 to 80 Hz with an accuracy of 0.5% ±1 digit. The meter is powered directly from the ac line and consumes less than 5W.By using a step-down transformer input, the meter can monitor a remote power-line frequency. Pricing is $49.50 with delivery from stock to six weeks.

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