High-resistance measurement with the 3237, 3238, and 3239
QI use the 3237, 3238, and 3239 to perform high-resistance measurement, but at and above 5 MΩ measured values vary widely. Is the instrument broken?
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Inability to start testing with the 3174 insulation withstanding tester
QI’ve purchased a 3174 and have just opened the box. Why can’t I use the instrument to conduct a test?
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How do resistance meters make measurements?
QWhat measurement principles do resistance meters use?
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What precautions apply when measuring an inductor or transformer?
QAre there any precautions that should be observed when measuring an inductor or transformer?
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IM3570 data format
QWhat format does the Impedance Analyzer IM3570 use to save data?
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Instability of 3554-50 measured values
QWhen I used the 3554-50 to measure a battery’s internal resistance, the instrument was unable to display the reading because the resistance values were unstable.
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Related Products
I’d like to record data over an extended period of time with my Power Quality Analyzer (repeat recording).
QThe PW3198 has a repeat recording setting. How can I use this function?
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I’m unable to use USB communications with the LR8431.
QI purchased an LR8431, installed the Logger Utility, and connected the instrument to my computer with a USB cable, but the computer won’t recognize the LR8431.
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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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