| Comparison Valhalla Scientific Body Comp scale BC-1 vs. Tanita BC-418
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| Parameter Compared
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Valhalla Scientific Body Comp Scale BC-1
|
Tanita BC-418
|
| Max. Weight
|
700 Lbs.
|
440 Lbs.
|
| Weight Accuracy
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±0.1lb
|
±0.4lbs at Initial Calibration
|
| Average learning curve to learn how to use the scale properly
|
Two Tests Or Two minutes
|
There are so many variables of subjective nature that it could takes weeks to learn how to properly interview a subject in order to receive accurate results
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| Body-Fat Range
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1.5%-85%
|
1%-75%
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| Test Current
|
500uA at 50KHz
|
500uA at 50KHz
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| Body fat reading accuracy
|
+/- 2.0 % of hydrostatic weighing (with NIST Traceability)
|
+/- 2.0 % of H20 Method
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| Weighing Method
|
Strain gage Load Cell
|
Strain Gage Load Cell
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| Measurement contact points
|
Hand to Hand Keep shoes on
|
Bare feet
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| Printout
|
Personalized Printout 5-Page, Full Color, 8.5 x 11 (see sample printout on home page)
|
Thermal Roll
|
| Data Input
|
|
Objective
|
Subjective
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|
Age-Gender-Height
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Body Type and Activity level Athletic or Non-athletic
|
|
| Repeatability
|
99%
|
Not specified
|
| Power
|
115 VAC
|
115VAC Adapter
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| Field Portable
|
Yes
|
Yes
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| Pre-test requirements for accurate results
|
none
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No exercise, no menstruation within 2-3 days of test, complete interview to determine body type and workout intensity level .
|
| Printer
|
Ink-Jet
|
Thermal (Roll)
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| Repeatability of body fat results 2 to 5 days after a body comp test
|
+/- 1.2%
|
If pre-test conditions are not met the change in the percent of body fat can increase or decrease
by 5-7%
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