Measurement frequency switching on earth testers
QThe Earth HiTester 3151 has frequency switch settings such as 3a and 3b. What are these? Which should I use in normal measurement?
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How do clamp on earth testers make measurements?
QClamp on earth testers measure grounding resistance by clamping the ground line. How do they calculate the resistance value?
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How can the 3665 measure LAN cable length?
QHow is cord length measured?
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What is the filter function?
QWhen should the filter function provided by the 3282 and 3293-50 be used?
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There’s a difference between the measured value and the inverter’s display value.
QI measured the secondary side of an inverter with a 3285 (3284), but the measured value differs from the value displayed on the inverter.
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3281 peak hold function
QThe 3281 and 3282 also have a peak function. Is it possible to capture the crest value for a rush current as with the 3284 and 3285?
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Measured values on my insulation resistance meter vary. What might be causing this?
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The digital insulation resistance meter I’m using displayed “OF.”
QWhat does this mean?
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Please tell me about the internal resistance of analog testers.
QThe specifications of the HiTester 3030-10 and Multi Tester 3008 indicate an internal resistance of 20 kΩ/V. Please tell me about the effects of the tester’s internal resistance.
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Current dependency and voltage dependency
QWhat can you tell me about sample current and voltage dependency?
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