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The Ki Fit Range

Ki Fit Options & Packages.

Find the best option and payment plan for you

Top reasons to buy

The Information is Accurate
You’ll get clinically accurate information, 24 hours a day, 7 days a week!
It’s Easy to Use
Simply put on the armband, and let it collect data. Then log onto the Online Activity Manager to get your results.

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specification

Ki Fit Armband Specification

Click here for Ki Fit Display Specification

Package Includes

Ki Fit Armband
Ki Fit Armband strap/wing assembly
USB cable
User guide

System Requirements

PC or Mac with USB port
Windows XP (32-bit), Windows Vista (32-bit and 64-bit), Windows 7 (32-bit and 64-bit), Mac OS X v10.5 on Intel platform, and Mac OS X v10.6 (Snow Leopard) on Intel platform
256 MB RAM or higher
Online Subscription required

Size and Weight

Length: 55mm (2.2")
Width: 62mm (2.4")
Height: 13mm (0.5")
Weight: 45.4g (1.6oz)

Battery and Memory

Battery type: Internal lithium polymer cell battery
Battery power: about 5-7 days under steady use
Charge time: approximately 3 hours
Memory capacity: about 14 days under steady use

Accuracy
System

Total calories for free living activities:
mean error < 10%
Total minutes of physical activity:
mean error < 5%

British Journal of Sports Medicine, July 2008

Accelerometer (3-axis)

Calibrated range is +/- 2.0g
The minimum resolution is 0.01g
Two-standard-deviation accuracy of +/- 0.05g, up to 1.0g on longitudinal axis
Two-standard-deviation accuracy of +/-12.0% of expected value otherwise on the longitudinal axis
Two-standard-deviation accuracy of +/- 0.06g up to 1.0g on the transverse axis
Two-standard-deviation accuracy of +/-12.0% of expected value otherwise on transverse axis
Two-standard-deviation accuracy of +/- 0.06g up to 1.0g on the forward axis
Two-standard-deviation accuracy of +/-12.0% of expected value otherwise on forward axis

Heat Flux

Calibrated range is 0.0 W/m2 to 300.0W/m ²
A minimum resolution of 1.0W/m ²
Two-standard-deviation of +/-10.0W/m ² at heat flux less than 50W/m ²
Two-standard-deviation of +/-35.0% of expected value otherwise

Galvanic Skin Response

Calibrated range is 56k Ohms to 20M Ohms (50.0 nSiemens – 17.0 uSiemens)
Two-standard-deviation accuracy of +/- 7.0 nSiemen up to 233.34 nSiemens reading
Two-standard-deviation accuracy of +/- 3.0% of expected value otherwise

Skin Temperature

Calibrated range is 20.0°C to 40.0°C
A minimum resolution of 0.05°C
Two standard deviation accuracy of +/- 0.8°C

Radio

RF frequency: 2.4GHz
Transmitter output power: <1mW

Environmental Requirements

Water resistance: IP64 classified
Operating temperature/humidity: 5°C - +40°C (40°F to 104°F)/ 5 - 95% RH noncondensing
Non operating temperature/humidity: -20°C - +60°C (-4°F to 140°F) / 5 - 95% RH noncondensing

Materials

Armband

ABS
Polycarbonate
Thermoplastic polyurethane
304 grade stainless steel

Adjustable strap/wing assembly

Nylon
Polyester
Lycra (no latex content) or polyisoprene
Polycarbonate
Thermoplastic polyurethane
Silicone

Ki Fit Display Specification

Click here for Ki Fit Armband Specification