Strobe tachometer (RPM meter)
+ Laser Tachometer + Magnetic
FreeOffers In-App Purchases
3.6.3for iPhone, iPod touch
8.7
63 Ratings
Dmitriy Kharutskiy
Developer
16.3 MB
Size
Sep 10, 2023
Update Date
Utilities
Category
4+
Age Rating
Age Rating
Strobe tachometer (RPM meter) Screenshots
About Strobe tachometer (RPM meter)
STROBE TACHOMETER
When 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.
You may easily use the flicker frequency control buttons to quickly assign the flicker frequency with an accuracy of 0.0001 Hz (0.01 RPM):
• Up to 1000 Hz (60 000 RPM) for a connected flashlight (see the video on YouTube: https://youtu.be/iq6Xiums05o).
• Up to 100 Hz (6000 RPM) for the iPhone flashlight.
IF THE SPEED IS MORE THAN UPPER LIMIT, YOU MAY STILL DETERMINE THE SPEED BY FIRST MAKING MEASUREMENTS WITH A LOWER FLICKER FREQUENCY AND THEN MAKING A SIMPLE CALCULATION (AS EXPLAINED IN THE APPENDIX).
To change the frequency, you should simply press and hold the button. In the app settings, you can adjust the speed at which the flash rate changes when you press and hold the button. The flicker frequency can be displayed either in Hz or RPM.
The image you see will be sharper in lower external light.
After a long period of usage, in case of overheating, the iPhone flashlight turns off automatically.
LASER TACHOMETER
• Measurement range from 0.3 Hz (18 RPM) to 1000 Hz (60 000 RPM).
• Step 0.01-0.0001 Hz (1-0.01 RPM).
• Update time 1 sec.
• 5 mW laser power required.
MAGNETIC TACHOMETER
This tachometer operates by measuring the magnetic field from a spinning magnet. The magnetic field is measured by the iPhone's magnetometer. The magnetic tachometer is best suited for measuring low rotation speeds (from 6 revolutions per minute). It can also be used for measuring medium rotation speeds (up to 2,700 RPM), but at such speeds there is a risk of spontaneous tearing away of the magnet and strong vibration due to center-of-gravity shift.
• Measurement range from 0.1 Hz (6 RPM) to 45 Hz (2,700 RPM).
• Step 0.2-2 %.
• Update time 2-5 sec.
When 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.
You may easily use the flicker frequency control buttons to quickly assign the flicker frequency with an accuracy of 0.0001 Hz (0.01 RPM):
• Up to 1000 Hz (60 000 RPM) for a connected flashlight (see the video on YouTube: https://youtu.be/iq6Xiums05o).
• Up to 100 Hz (6000 RPM) for the iPhone flashlight.
IF THE SPEED IS MORE THAN UPPER LIMIT, YOU MAY STILL DETERMINE THE SPEED BY FIRST MAKING MEASUREMENTS WITH A LOWER FLICKER FREQUENCY AND THEN MAKING A SIMPLE CALCULATION (AS EXPLAINED IN THE APPENDIX).
To change the frequency, you should simply press and hold the button. In the app settings, you can adjust the speed at which the flash rate changes when you press and hold the button. The flicker frequency can be displayed either in Hz or RPM.
The image you see will be sharper in lower external light.
After a long period of usage, in case of overheating, the iPhone flashlight turns off automatically.
LASER TACHOMETER
• Measurement range from 0.3 Hz (18 RPM) to 1000 Hz (60 000 RPM).
• Step 0.01-0.0001 Hz (1-0.01 RPM).
• Update time 1 sec.
• 5 mW laser power required.
MAGNETIC TACHOMETER
This tachometer operates by measuring the magnetic field from a spinning magnet. The magnetic field is measured by the iPhone's magnetometer. The magnetic tachometer is best suited for measuring low rotation speeds (from 6 revolutions per minute). It can also be used for measuring medium rotation speeds (up to 2,700 RPM), but at such speeds there is a risk of spontaneous tearing away of the magnet and strong vibration due to center-of-gravity shift.
• Measurement range from 0.1 Hz (6 RPM) to 45 Hz (2,700 RPM).
• Step 0.2-2 %.
• Update time 2-5 sec.
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What's New in the Latest Version 3.6.3
Last updated on Sep 10, 2023
Old Versions
• Minor changes in text design.
Show More
Version History
3.6.3
Sep 10, 2023
• Minor changes in text design.
3.6.2
Sep 3, 2023
• Bug fixes.
3.6.1
Aug 10, 2023
• For iOS 16+, the flash duration has been increased when using the iPhone LED. This increases the brightness of the flash, but makes the mark more blurry. If before this update your iPhone LED flashed bright enough and this update made the label too blurry, then let me know.
3.6
Dec 31, 2022
• Setting the rate at which the flash frequency changes when the button is pressed and held.
3.5.8
Dec 24, 2022
• Bug fixed: not working laser tachometer. After this update, on very old iPhone models (iPhone 4S, iPhone 5, iPhone 5C), the laser tachometer may stop working or work incorrectly. If this happens, please let me know.
3.5.7
Dec 23, 2022
• Adaptation for iPhone 14 Pro.
3.5.6
Apr 17, 2022
• Minor changes in text design.
3.5.5
Feb 18, 2022
• Bug fixes.
3.5.4
Jul 11, 2021
• Minor changes in text design.
3.5.3
Jun 14, 2021
• Bug fixes.
3.5.2
Mar 26, 2018
This app has been updated by Apple to display the Apple Watch app icon.
• Minor changes.
• Minor changes.
3.5.1
Jan 22, 2018
• Minor changes.
3.5
Oct 8, 2017
• Magnetic tachometer.
3.4.3
Jan 6, 2017
• New video.
3.4.2
Nov 29, 2016
• Minor changes.
3.4.1
Nov 14, 2016
• New video.
3.4
Oct 26, 2016
• Hundredths (for small values of RPM, LASER TACHOMETER).
• Measurement range from 0.3 Hz (18 RPM, LASER TACHOMETER).
• Update time 0.5 sec (LASER TACHOMETER).
• Measurement range from 0.3 Hz (18 RPM, LASER TACHOMETER).
• Update time 0.5 sec (LASER TACHOMETER).
3.3
Oct 17, 2016
• Hundredths (for small values of RPM, STROBE TACHOMETER).
3.2.3
Oct 7, 2016
• Bug fixes.
3.2.2
Aug 5, 2016
• Changes in the help section.
3.2.1
Jul 30, 2016
• New video.
3.2
Jul 15, 2016
• Pulse duration setting.
• Changes in the help section (New video, Stroboscope, Shopping).
• Changes in the help section (New video, Stroboscope, Shopping).
3.1
Dec 4, 2015
• Localization
• Small improvements
• Small improvements
3.0
Nov 23, 2015
• Laser tachometer
2.0
Oct 21, 2015
• A flashlight can now be connected via the headphone jack.
• Measuring range increased to 1000 Hz (60 000 RPM).
• Measuring range increased to 1000 Hz (60 000 RPM).
Strobe tachometer (RPM meter) FAQ
Click here to learn how to download Strobe tachometer (RPM meter) in restricted country or region.
Check the following list to see the minimum requirements of Strobe tachometer (RPM meter).
iPhone
Requires iOS 11.0 or later.
iPod touch
Requires iOS 11.0 or later.
Strobe tachometer (RPM meter) supports English, Czech, Dutch, French, German, Italian, Japanese, Portuguese, Russian, Spanish, Swedish
Strobe tachometer (RPM meter) contains in-app purchases. Please check the pricing plan as below:
Full version of the stroboscopic tachometer
$2.99
Laser Tachometer and Magnetic
$2.99
