Comparison

InBody BWA 2.0S vs InBody R20

InBody BWA 2.0S and InBody R20: compare documented specifications, features and limitations. Check the reports and explanation offered by the provider. More features alone do not establish better accuracy.

InBody BWA 2.0S: when to consider it

The newer BWA 2.0S combines detailed water results with composition and offers a shorter test than the original BWA. Testing can also take place while lying or seated. It is mainly intended for care where a professional follows water distribution and muscle quantity over time.

InBody R20: when to consider it

R20 was developed for home body-composition monitoring and also appears in some fitness services. It gives a basic muscle-and-fat overview. For a more detailed consultation, it matters whether the provider also uses the computer report.

Specifications side by side

Highlighted rows differ. Unknown values stay unknown.

SpecificationsInBody BWA 2.0SInBody R20
Recording time≈ 30 s (Medical); ≈ 60 s (Research)30 s
Body weight range2–250 kg10–150 kg
Height range95–220 cmNot verified
Device weight2.8 kg3 kg
Measurement frequencies5, 50, 250, 500 kHz; 1, 3 MHz20, 100 kHz
Contact electrodes168
Measurement positionSupine, seated or standingStanding
Operating temperature10–40 °C10–40 °C
Dimensions (width × depth × height)322 × 282 × 81.5 mmEvidence321 × 360 × 58 mmEvidence
Age in the cited catalogueFrom 3 yearsEvidence6–99 yearsEvidence
Impedance measurements30Evidence10Evidence
Device internal database capacity100,000 recordsEvidence300 recordsEvidence
DisplayColour touchscreen TFT LCD, 1280 × 800 pixelsEvidenceLCD with basic results and buttonsEvidence
Documented interfacesRS-232C, USB Host, USB Slave, Ethernet, Bluetooth and Wi-FiEvidenceCable USB to the original Lookin’Body Basic. Bluetooth belongs to the R20B variant.Model sources
Display diagonal10.1″Model sourcesNot verified
Contacts and modesClamp electrodes; Medical (proximal) and Research (distal) placementModel sourcesNot verified
Weight for the testEntered separately; no built-in scaleModel sourcesNot verified
Z0 and Z∞Modelled limiting impedances, rather than additional measured frequenciesModel sourcesNot verified
PowerNot verifiedAA batteries; the original documentation specifies battery operationModel sources
ModesNot verifiedBody composition analysis and weight-only modeModel sources
Detailed reportNot verifiedOriginal Lookin’Body Basic on a computer; requires a working connectionModel sources
VariantsNot verifiedOriginal R20 with USB; R20B is a separate Bluetooth variantModel sources

Fat-free mass is not pure muscle mass. A single result is not a diagnosis. Different devices and similarly named metrics may use definitions that are not interchangeable.

Sources and verification