Beep(ing) sound settings of Leak Current HiTester
QI've just got my Leak Current HiTester ST5540 back from calibration. Beeping sound occurs even though it is PASS. What should I do?
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Is an isolation transformer required for leakage current testers?
QWhy are isolation transformers used in leakage current measurements of medical and general electrical equipments? (Leak Current HiTester ST5540)
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No LAN connection (Sequence Maker)
Q"Connected the Precision DC Voltmeter DM7275-01 to a LAN and entered commands in Sequence Maker. But a message shows up saying that it could not been connected. What should I do?"
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Cable length appears longer than the actual length (LAN Cable HiTester)
QI'm using the Hioki LAN Cable HiTester 3665-20. Sometimes the measured cable length is displayed longer than the actual cable length. What is the reason?
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The cable length does not seem to be displayed correctly (LAN Cable HiTester)
QI'm using the Hioki LAN Cable HiTester 3665-20. The measured value displayed seems to be longer/shorter than the actual LAN cable length.
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Differences of Resistance Measurement Methods
QThere are two types of resistance measurement methods: DC method and AC method. Which should be chosen?
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Full-wave rectified waveform (half-wave rectified waveform) Measurement (Tester, Clamp Meter)
QIs there a tester or clamp meter that can measure voltage and current in full-wave rectifier circuit and half-wave rectifier circuit? Also, can it be measured with a card tester?
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Uninterruptible polarity switching function of the Leak Current HiTester
QWhat is the "Uninterruptible Polarity Switching function" of the Leak Current HiTester ST5540?
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Values differ significantly depending on the measurement range. (AC Leakage Clamp Meter)
QWhy do AC Leakage Clamp Meter readings sometimes differ significantly from range to range, or have different readings from other/different AC Leakage Clamp Meter models? (CM4001, CM4002, CM4003)
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