Audio Tester OAT-694 Onsoku
Mã sản phẩm:
OAT-694
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This tester is designed to automatically measure the performance of stereo headphones or headphone units. Measured data and judgment are shown on a fluorescent display. Measuring condition data of each product are kept on a memory card. This makes it possible to immediately start measurement upon card insertion and power on.
In addition to the total judgment indication, itemized judgments, measured values, total test number, fail number and fail rate are shown.
Thông tin sản phẩm
Frequency Range:20Hz to 20kHz
Measuring Items (for stereo headphones):
1) Frequency characteristics
2) Sensitivity
3) Sensitivity difference
4) L/R F1 level difference
5) L/R F2 level difference
6) Impedance
7) Polarity
8) L/R reversed
9) Open circuit
10) Short circuit
11) Hearing (Needs an external oscillator)