Comparison

InBody 520 vs InBody BWA 2.0S

InBody 520 and InBody BWA 2.0S: compare documented specifications, features and limitations. Check the reports and explanation offered by the provider. More features alone do not establish better accuracy.

InBody 520

InBody 520

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InBody BWA 2.0S

InBody BWA 2.0S

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InBody 520: when to consider it

An older model for following fat, muscle and water during nutrition or exercise changes, and for understanding past results. Includes ECW/TBW and lean-mass distribution across the arms, legs and trunk.

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.

Specifications side by side

Highlighted rows differ. Unknown values stay unknown.

SpecificationsInBody 520InBody BWA 2.0S
Recording time50 s≈ 30 s (Medical); ≈ 60 s (Research)
Body weight range10–250 kg2–250 kg
Height range95–220 cm95–220 cm
Device weight26 kg2.8 kg
Measurement frequencies5, 50, 500 kHz5, 50, 250, 500 kHz; 1, 3 MHz
Contact electrodes816
Measurement positionStandingSupine, seated or standing
Operating temperature10–40 °C10–40 °C
Dimensions (width × depth × height)522 × 843 × 1,015 mmEvidence322 × 282 × 81.5 mmEvidence
Age in the cited catalogue3–99 yearsEvidenceFrom 3 yearsEvidence
Impedance measurements15Evidence30Evidence
DisplayColour LCD, 640 × 480 pixelsEvidenceColour touchscreen TFT LCD, 1280 × 800 pixelsEvidence
Documented interfacesRS-232C, USB Host, USB Slave and EthernetEvidenceRS-232C, USB Host, USB Slave, Ethernet, Bluetooth and Wi-FiEvidence
Measured regionsRight and left arm, trunk, right and left legModel sourcesNot verified
WeighingBuilt-in weighing platform; height is enteredModel sourcesNot verified
ResultsPrinted report and export through manufacturer softwareModel sourcesNot verified
Device internal database capacityNot verified100,000 recordsEvidence
Display diagonalNot verified10.1″Model sources
Contacts and modesNot verifiedClamp electrodes; Medical (proximal) and Research (distal) placementModel sources
Weight for the testNot verifiedEntered separately; no built-in scaleModel sources
Z0 and Z∞Not verifiedModelled limiting impedances, rather than additional measured frequenciesModel 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