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FAQs

We’ve compiled a number of frequently asked questions about our pressure transducers, accelerometers, signal conditioners, cables, and accessories into a comprehensive resource for our customers. If you can’t find the answer to your question here, feel free to contact our application team directly.

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How do you determine the accelerometer’s output polarity? What is the difference between a damped and undamped accelerometer? Why isn’t the sensitivity, of a piezoresistive accelerometer, twice as high with 10V excitation as it is with only 5 V excitation? Can I connect my PE accelerometer directly to an IEPE conditioner? Can you recommend on an accelerometer mounting wax to be used in a low temperature environment (zero°C and below) or another easy removable mean for a curved surface? What are the sources of vibration in machines, vehicles and structures? What is the relationship between Revolutions Per Minute (RPM) and Hertz (HZ)? What is the difference between “classical pulse shocks” and “complex shocks”? Why are accelerometers sealed against humidity? How can I reduce the effects of base strain on an accelerometer? Can I purchase extra black storage boxes for my accelerometers? Will the use of accelerometer mounting blocks degrade the frequency response? What performs better at higher frequencies - a triaxial accelerometer or three uniaxial accelerometers on a mounting block? Is it correct that for lightweight accelerometers adhesive mounting works well? When are magnetic mounting attachments used? How much will an insulated mounting stud degrade performance of an accelerometer? What does the 10-32 refer to on a mounting stud and how can I check it? What are the advantages and disadvantages of using Petro Wax to mount accelerometers? How do I reduce flash response on my 85xx series pressure transducer? What is the best way to mount miniature, cylindrical pressure transducers? Can I use the low-noise cables with IEPE accelerometers? Why are cables often described as the weak link in any instrumentation system? How does Endevco test their low noise coaxial cables? How is it possible for a coaxial cable itself to generate noise? What is a drip loop? When do you use it? What purpose does it serve? Why is “twisted pair cable” such a big deal? What is the best solution to securing PE cables in a permanent lab test setup? What type of cabling should one consider when using IEPE accelerometers? What is the maximum length of cable I should use with a charge output accelerometer? What tool should I use to tighten connectors on accelerometer cables? What are some possible sources of noise in solid state amplifiers? What is the difference between a PE transducer and an IEPE transducer? Can a piezoelectric pressure transducer measure static pressure? What is the narrowest pressure pulse I can measure with your pressure transducers? What media can I expose my 85XX transducer to? Can I seal the vent tube on my 8510B transducer? Can I use your piezoresistive pressure transducers beyond their rated pressure without damage? What non-conductive liquids are compatible with the 8500 Series pressure transducer? How do I know if my 8500 Series pressure transducer is being damaged by the media it is monitoring? How can a piezoelectric pressure transducer act like an acelerometer? How do you make an absolute reference with a MEMS pressure die? Why is the signal of piezoresistive transducers easy to condition? How can I eliminate high-frequency clock noise of an amplifier? What kind of signal conditioning do you offer? Why is the term “charge amplifier” used when conditioning the output signal of a PE accelerometer? How do remote charge converters work for PE accelerometers? What is the basic design of an IEPE signal conditioner? What are the factors to consider when comparing an IEPE signal conditioning system to a PE system? When might you use signal conditioning with a VC accelerometer? What is the practical low-frequency limitation of velocity and displacement integration? What is the source of noise in solid state amplifiers?

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