InBody 520 vs OMRON BF511
InBody 520 and OMRON BF511: 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: 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.
OMRON BF511: when to consider it
BF511 is a scale with eight sensors contacting hands and feet. It uses 50 kHz BIA to estimate body-fat percentage, skeletal-muscle percentage and visceral-fat level alongside weight and BMI. It provides a whole-body overview; separate limb results are not documented.
Specifications side by side
Highlighted rows differ. Unknown values stay unknown.
| Specifications | InBody 520 | OMRON BF511 |
|---|---|---|
| Recording time | 50 s | Not verified |
| Body weight range | 10–250 kg | Not verified |
| Height range | 95–220 cm | Not verified |
| Device weight | 26 kg | Not verified |
| Measurement frequencies | 5, 50, 500 kHz | 50 kHz |
| Contact electrodes | 8 | Not verified |
| Measurement position | Standing | Not verified |
| Operating temperature | 10–40 °C | Not verified |
| Method | Not verified | Bioelectrical impedance (BIA) |
| Electrodes | Not verified | 8 hand-and-foot sensors |
| Maximum weight | Not verified | 150 kg |
| Documented outputs | Not verified | Weight, BMI, fat and skeletal-muscle percentage, visceral-fat level |
| Dimensions (width × depth × height) | 522 × 843 × 1,015 mmEvidence | Not verified |
| Age in the cited catalogue | 3–99 yearsEvidence | Not verified |
| Impedance measurements | 15Evidence | Not verified |
| Display | Colour LCD, 640 × 480 pixelsEvidence | Not verified |
| Documented interfaces | RS-232C, USB Host, USB Slave and EthernetEvidence | Not verified |
| Measured regions | Right and left arm, trunk, right and left legModel sources | Not verified |
| Weighing | Built-in weighing platform; height is enteredModel sources | Not verified |
| Results | Printed report and export through manufacturer softwareModel sources | Not verified |
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
- Biospace — technické podání K130777 / technical submission
- InBody — InBody 520 Quick Installation Guide
- Biospace — InBody 520 User’s Manual (2011)
- MegaFitness — měření InBody 520 / testing service
- Biospace — 510(k) Summary K052646
- OMRON — BF511 instruction manual IM-HBF-511-E-04-08/2013 (ManualsLib mirror)
- OMRON — BF511 manual, principle of calculation (page 4; ManualsLib mirror)
- OMRON Healthcare — BF511 product specification

