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PAGE 3 FIVE QUESTIONS TO ASK YOURSELF WHEN MEASURING OVER 50 G TE CONNECTIVITY SENSORS /// FIVE QUESTIONS TO ASK YOURSELF WHEN MEASURING OVER 50 G QUESTION 3: HOW WILL THE SENSOR BE MOUNTED DURING TESTING? As mentioned above, knowing the application is helpful in determining what type of accelerometer you'll need. But it's also important to know how you'll install the accelerometer, as well as where you'll place it. These "how" and "where" questions help clarify considerations around design build and testing conditions. For best results, accelerometers should be mounted rigidly to the apparatus. And while there are some materials, like cyanoacrylate that can be used to adhere an accelerometer to a device, most epoxies and glues should be avoided, as they'll serve as extra dampening agents and absorb energy before it can be registered by the accelerometer. That type of "padding" will lead to inaccurate test results. QUESTION 4: WHAT CONDITIONS WILL YOU BE CONDUCTING YOUR TEST IN? All accelerometers are compensated to a certain temperature range tolerance, so you'll need to know your testing conditions for an accurate reading. But it's not just ambient temperature that's important. It's also the temperature of the device to which the accelerometer is being mounted, as well as any other environmental conditions that may be in play. Conditions such as humidity, snow, altitude, and underwater submersion can play a role in determining what type of accelerometer will hold up best under the conditions it will be exposed to. Though not weather related, another consideration is electromagnetic interference (EMI). This is particularly relevant when mounting, for example, to big motors in industrial plants and in Formula 1 racing applications. To protect against EMI, accelerometers can be protected with voltage suppressors and internal shielding. Regardless of conditions, knowing what they are—and picking the accelerometer that performs best in those conditions—is important. Because, in this situation, the risk isn't receiving inaccurate results; the risk is a failure of the device. you'll install the accelerometer, as well as where you'll should apparatus. And like adhere most avoided, as agents be TESTING? All accelerometers are compensated to a certain temperature range tolerance, so you'll need to know your testing conditions for an accurate reading. Conditions such as humidity, snow, altitude, and underwater submersion can play a role in determining what type of accelerometer will hold up best to the conditions you're planning to expose it. CONDITIONS WILL YOU BE YOUR TEST? function is to it can also and of those device. MEASUREMENT PARAMETER 12 6 3 9 collecting data for researching, developing, unique challenges. accelerometers in the lab (for shock, impact, or drop test measuring construction equipment, logging equipment, applications), these questions will make sure your results linear. report click here or go to TE.com/ipsumlorem It's also important to know how you'll install the accelerometer, as well as where you'll place it. For best results, accelerometers should be mounted rigidly to the apparatus. And while there are some materials, like cyanoacrylate that can be used to adhere an accelerometer to a device, most epoxies and glues should be avoided, as they'll serve as extra dampening agents and absorb energy before it can be registered by the accelerometer. HOW WILL YOU MOUNT THE SENSOR DURING TESTING? All accelerometers are compensated to a certain temperature range tolerance, so you'll need to know your testing conditions for an accurate reading. Conditions such as humidity, snow, altitude, and underwater submersion can play a role in determining what type of accelerometer will hold up best to the conditions you're planning to expose it. IN WHAT CONDITIONS WILL YOU BE CONDUCTING YOUR TEST? 100 C % While an accelerometer's function is to measure acceleration in g-forces, it can also be used to determine velocity and displacement. If you're looking to measure either of those data points, you'll need a DC device. WHAT MEASUREMENT PARAMETER DO YOU NEED? 12 6 3 9 At high g-forces, the collecting data for researching, developing, and testing has its own unique challenges. Whether you're planning to use accelerometers in the lab (for shock, impact, or drop test measurements) or in the field (for measuring construction equipment, logging equipment, CONCLUSION GUIDELINES FOR ADHESIVE MOUNTING ACCELEROMETERS GUIDELINES FOR SCREW MOUNTING ACCELEROMETERS