поискавой системы для электроныых деталей |
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ES278 датащи(PDF) 11 Page - Cyrustek corporation |
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ES278 датащи(HTML) 11 Page - Cyrustek corporation |
11 / 25 page V 1.5 11 2015/12/11 ES278 4000 Counts Manual DMM 1.9. Electrical field detection mode (NCV) ES278 supports a non-contact AC voltage measurement, which is called electric field measurement also. The ADC input is configured from ADP pin vs. SGND. When no or less electric field is detected, the LCD display shows “EF”. If the electric field is detected, the strength will be showed on the LCD display by “-“ not digits type. Level 1(equivalent to 12.5% full scale of ADC) is “-“ and the level 4(equivalent to 100% full scale of ADC) is “----“. Additional beeper (BUZOUT pin) and LED alarm (ALARM pin) will be output from ES278. The frequency of buzzer and LED alarm depends on the strength of electric field also. The Faster beeper means the stronger electric field (AC voltage) is sensed. The input voltage is taken from ADP pin(99) and the reference voltage is taken from VR_ADP (pin11) Mode FC1~4 SLACDC / FC6 Full Scale Input Terminal EF 0,1,1,0 1,1 - ADP V.S. SGND ADP 100M EF test circuit EFin+ SGND AGND EFin- 100k VRADP -400mV |
Аналогичный номер детали - ES278 |
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Аналогичное описание - ES278 |
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