Body sensors

The following body sensors have been owned and used by Hans Sundgren.

iHealth Core: Wireless Body Composition Scale HS6
iHealth scale

Image courtesy: iHealthLabs

Technical data

  • Body values: Weight, BMI, body fat indices, lean body mass, muscle mass, bone mass, water mass, visceral fat
  • Environment values: Temperature, humidity
  • Display: LED
  • Interfaces: WiFi 802.11 b/g/n (2.4 GHz)
  • Battery: 4 × 1.5 V size AAA, 3 months lifetime
  • Measuring range: 5–180 kg
  • Accuracy: ±1%
  • Memory: 200 readings
  • Dimensions: 350 × 350 × 30 mm
  • Weight: 2.7 kg

October 2015

Hans noticed that a new wireless scale is availalbe. It reports automatically to a web page and the data can then be viewed on the iPhone.

Cost: 135 EUR from iHealth Labs Europe.
Invoice.

Good

  • Very easy to use, no on-off switch,
  • Report the weight automatically to Xxxxx.

Bad

  • Not all values are available in the cloud.
  • Room temperature and humidity can only be read manually.

Transport from France to Sweden

TNT tracking email

TNT transported the scale from Paris to Västerås. The shipping cost 5 EUR is included in the price.

Data shown in My Vitals app

TNT tracking email

The data is stored in the iHealth MyVitals App.

Data shown in Health app

TNT tracking email

The data is also shown in the Apple Hälsa App.

Garmin vívofit™ fitness band
Garmin Vivofit

Image courtesy: Garmin

Technical data

  • Sensor: 3-axis accelerometer, MEMS (probably
  • Display: 25.5x10 mm
  • Interfaces: USB ANT™ Stick or Bluetooth® 4.0
  • Battery: Two replaceable CR1632 coin cells
  • Battery life: More than 1 year
  • Water resistance: 50 m
  • Operating temperature : -10 to +60°C
  • Dimensions: 21×10.5 mm
  • Weight: 26 g

April 2014

Xxxxxx

Good

  • Xxxx.
  • Xxxxxx.

Bad

  • Xxxx
  • Xxxx.

Synchronisation

 

Health and fitness panel

As a result of the synchronisation Hans' Garmin connect account gets a new panel. The data from the GPS clock is available under "Sports" while the Vivofit data is available under "Health & Fitness".

Apple iHealth wireless pulse oximeter
iHealth pulse oximeter

Image courtesy: Apple

Technical data

  • Sensor: 2 LEDs with detectors; Red probably 660 nm and IR probably 940 nm
  • Display: LED
  • Interfaces: Bluetooth 4.0
  • Battery: Built-in, 3.7 V LiIon, 300 mAh
  • Measuring range: 70–99%
  • Accuracy: ±2%
  • Dimensions: 62 ×33×28 mm
  • Weight: 42 g

October 2013

Hans investigates what body sensors that are available on the market and finds the pulse-oximeter. He has experience from that type of sensor when he was in hospital some year ago for a coronary catheterization.

Cost: 619 SEK from Apple Online Store.
Invoice.

Good

  • Very easy to use.
  • Can be used off-line from iPhone storing up to 100 measurements.

Bad

  • Not compatible with Hans iPhone 4 with Bluetooth 2.1. The unit requires Bluetooth 4.0.
  • Can not be set for continuous logging.

Xxxxxxxxx

iHealth pulse oximeter

 

Fitbit Flex™ wireless activity and sleep wristband
Sleep wristband

Image courtesy: Fitbit

Technical data

  • Sensor: 3-axis accelerometer, MEMS
  • Display: 5 LED indicators
  • Interfaces: Bluetooth 4.0
  • Battery: Non-exchangeable, rechargeable LiPoly, 5 days tracking
  • Water resistance: 10 m
  • Operating temperature : -20 to +45°C
  • Dimensions: 75 ×75×14 mm
  • Weight: 14 g

Documents

September 2013

Hans wants to measure things and when this activity sensor was available in Västerås he decided to get one for sleep measurements.

Cost: 999 SEK from Kjell & Company in Västerås.

Units included

Good

  • Very easy to use.
  • Light weight with only 14 gram and long running time on one charge.

Bad

  • Detailed reports on the web costs an annual fee.
  • Probably not accurate sleep measurements. The awake time might be based on moving the arm with the wrist band.

Synchronisation

How to synchronise the sleep sensor

 

2013-10-20: Low battery warning via email

How to synchronise the sleep sensor

One morning Hans receives an email stating: "Your Flex battery level is low. Charge your battery as soon as possible", together with instructions on how to charge the unit. Very convenient! The wrustband is located 10 meters from the synchronising computer.

2014-11-22: Low battery warning via email

How to synchronise the sleep sensor

Hans receives an email stating: "Your Flex battery level is low. The email now contains instructions on how to clean the contacts. This is a problem area. In order to start the charging, the contacts often has to be clean or wetted.

Garmin foot pod, stride sensor
Garmin foot pod

Image courtesy: Garmin

Technical data

  • Sensor: ????
  • Interfaces: Wireless 2.4 GHz ANT
  • Battery: CR2032, 3 V Lithium
  • Battery lifetime: 400 h run time
  • Water resistance: 10 m
  • Operating temperature : -10 to +60°C
  • Dimensions: 35 ×25×7.5 mm
  • Weight: 10 g

July 2013

Hans wants to measure as many parameters as possible and noticed that a foot pod would be interesting to attach to the shoe. By this he is able to calculate the average stride length when running.

The unit operates together with the Garmin Forerunner® 405GPS clock.

Cost: 695 SEK at Outdoorexperten in Västerås 2013-07-22.

Good

  • Small and light, easy to fit and use.
  • Nice integration with the GPS clock.

Bad

  • The battery last only some weeks.
  • A little bit tricky to change battery
Garmin heart rate monitor belt
Garmin pulse belt

Image courtesy: Garmin

Technical data

  • Sensor: ????
  • Interfaces: Wireless 2.4 GHz ANT
  • Battery: CR2032, 3 V Lithium
  • Battery lifetime: 3 years, with 1 h per day
  • Water resistance: 10 m
  • Operating temperature : -10 to +50°C
  • Dimensions: 1000 ×35×10 mm
  • Weight: 70 g

Documents

March 2009

Hans got the Garmin Forerunner 405® GPS clock and since that unit could be bought with a pulse belt, he got that.

Cost: Included in the price for the Garmin Forerunner® 405GPS clock.

Good

  • Very easy to use. Nothing to think about.
  • Very long battery life time; 3 years!

Bad

  • Sometimes, but very seldom, strange measurements showing too high heart rate.
  • Can't think of anything else.