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Measuring and monitoring your fitness level with the Zensorium Tinke

Zensorium Tinke
Zensorium Tinke
Minimalist Running Shoes

The Zensorium Tinké is a revolutionary device designed to change the face of mobile fitness and wellness. Tinké is an optical sensory device for smartphones that monitors your fitness and wellness with the touch of a finger. The four aspects that Tinké measures are heart rate, respiratory rate, blood oxygen levels, as well as heart rate variability. It works on the basis of detecting changes in skin blood volume and using advanced signal processing technologies, Zensorium Tinké transforms detected signals into quantitative data.

Zensorium Tinke
Minimalist Running Shoes

Measurement - Heart Rate

Heart rate refers to the number of heart beats per minute and is normally expressed in beats per minute (BPM). An average adult’s heart rate is usually between 60 BPM to 80 BPM. Resting heart rate is defined as the heart rate taken when you are first awake or when sitting quietly. Monitoring your resting heart rate daily is an important indicator of your fitness.

Measurement - Respiratory Rate

Ever found yourself feeling short of breath? Well, your respiratory rate may change due to conditions such as when we’re angry or sad. An important indicator of fitness is respiratory rate taken when a person is resting and at minimum stress. When a person is in the above condition, a respiratory range of 10-20 breaths per minute is considered normal.

Measurement - Blood Oxygen Level

A blood oxygen level of above 95% is essential for optimum performance in your daily activities. Fitter people have higher blood oxygen saturation levels. Tinké lets you measure the amount of oxygen carried by the red blood cells in your blood, at any given time.

Measurement - Heart Rate Variability

Unlike a clock, our heart does not beat at a constant rate. The changes in the rate at which your heart beats at is known as Heart Rate Variability (HRV). Your HRV changes throughout the day, depending on the activities you carry out, your mood, and various other factors.

In Tinké, HRV is used as a measure of how well our body can adapt to these changes by analyzing your heart rate and breathing patterns. The better your body is able to adapt to these changes, the higher is the measure of your HRV. Simply said, HRV is used as a basis to monitor your level of relaxation.

During anxiety, our heart rate rises, muscles tense, we perspire more, and our breathing becomes more rapid and shallow. Your measurement of HRV is thus lower. In contrast, if you are relaxed, your measure of HRV will consequently be higher.

Monitoring - Fitness, Wellness, Progress

Your fitness level is calculated on the Tinke as the Vita Index. Tinké measures your heart rate, respiratory rate and blood oxygen saturation within 30 seconds and compiles the information into their Vita Index fitness score.

Your wellness level is calculated on the Tinke as the Zen Index. Tinké measures your heart rate variability while you relax yourself with the provided breathing exercise for 60 seconds. This information is then processed into the Zen Index score which indicates your level of relaxation.

With your Tinké account, all measurements taken will be saved and trended into a graph. Choose to trend both Zen and Vita Indexes, or even narrow down to individual parameters such as heart rate, respiratory rate and blood oxygen levels. You can now monitor the progress of your fitness and wellness over a period of weeks, months and even years.

There are also achievements and Tinke social network. You can earn points and badges each time you conduct a measurement and be rewarded for performing consistent measurements. You can also post your results onto Facebook and share your results with friends, and encourage one another on your progress.

Using the Zensorium Tinke

To use, simply start the iOS Tinké app, connect Tinké when prompted and place your thumb on the sensing platform of Tinké to start measuring. Just gentle pressure will suffice. Done. We love 'simple and easy to use' fitness and health devices and have a lot of them in our test pipeline. With a touch of your finger, you can obtain the measurements of the 4 parameters, and 2 indexes within seconds. No other device that we are aware of can do this. Compared to the HeartMath Inner Balance Sensor (which does not measure blood oxygen level), the Tinke is much easier to use.

Keep track of your measurements before you start your training. Then after a few weeks or months, revisit your training log to see what the improvements are in your vital fitness and health statistics using the Tinke and other health and fitness devices like the Basis watch and Amiigo wristband.

  • heart rate
  • blood oxygen level
  • heart rate variability
  • respiratory rate
  • skin temperature
  • perspiration level

Although Tinké is not a medical device, its accuracy ranges for the 3 parameters are:

  • Heart Rate: +/- 2 beats per minute
  • Respiratory Rate: +/- 2 breaths per minute
  • Blood Oxygen Saturation: +/- 3%


All measurement data (limited to measurements taken during the last 30 days) can even be easily exported for further analysis. Think of the possibilities with new cloud offerings for 2014!

The Zensorium Tinke is available in both the 30-pin connector and Lightning connector for iOS devices and in Bluetooth only for Android devices.

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