STROBE TACHOMETERWhen the flicker frequency of light coincides with the speed of any object, such as a fan, the rotating fan may appear to be stationary. Changing the frequency of the flicker of light may help detect the rotation speed. Update time 2-5 sec.
Signal Generator is an app that produces audio test tones. The basic app produces sine waves, and it can be extended and customized (via in-app purchases) to produce white noise, pink noise, frequency sweeps, and (on iPhone 4 and better) square waves, sawtooth waves, and triangle waves. This app can be used to: Test Speakers and Headphones Balance your Home Theater System Tune Your Car Audio System Mask Environmental Noise Burn In Headphones Tune Musical Instruments
VibSensor is a vibration meter geared to science and engineering applications where quantitative accelerometer and vibration data are needed. It turns your mobile device into a vibrometer or seismometer, with easy collection, data storage, and email of data. Capture vibrational resonances and magnitudes, or even use it like a seismograph to capture an earthquake
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If you professionally deal with lighting or simply want to measure the illumination of the certain place, and you do not have a special device, you can use this application to make light measuring, combine the values obtained (lux) with a photo of your place of measurement, add your comments and save your image in photo album or send via e-mail. This app is used for evaluative light measuring and is not a substitute for specialized device. The ability to change manually the calibration coefficient (Optional).Ability to change manually the results of measurement (Optional).
This is the highly recommended and praised Function Generator App - an amazingly great and powerful tone generator. Enriched with a vast amount of features yet it is extremely intuitive and designed for simplicity. The Function Generator is AMAZINGLY INTUITIVE and SIMPLE AND THESE ARE THE ADVANCED SETTINGS/FEATURES (upgrade to PRO required):=> Extending The Frequency Range=> Extending The Sweep Times=> Changing Min/Max Slider Frequency Ranges => Changing Max Sweep Time Slider Range=> Changing Signal Amplitude=> Enabling Of The Sweep Repeat / Wobble Function=> Frequency Slider Setting to Linear or Logarithmic=> Left/Right Channel Individual Selection=> Permanently Saving Custom Presets=> Saving Of Endless Number Of Audio Configurations=> Phase Out Setting (Phase shift of 180 of the generated signal)=> BPM (Beats per Minute) Feature=> Dual Function Generator=> Background Theme Selection (Light/Dark)