InBody 120 vs InBody 520
InBody 120 and InBody 520: compare documented specifications, features and limitations. Check the reports and explanation offered by the provider. More features alone do not establish better accuracy.
InBody 120: when to consider it
InBody120 is useful for following fat and muscle while changing your diet or activity. A meaningful consultation benefits from the full computer-generated report; the small display shows only part of the results.
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.
Specifications side by side
Highlighted rows differ. Unknown values stay unknown.
| Specifications | InBody 120 | InBody 520 |
|---|---|---|
| Recording time | ≈ 17 s | 50 s |
| Body weight range | 5–250 kg | 10–250 kg |
| Height range | 50–300 cm | 95–220 cm |
| Device weight | 4.3 kg | 26 kg |
| Measurement frequencies | 20, 100 kHz | 5, 50, 500 kHz |
| Contact electrodes | 8 | 8 |
| Measurement position | Standing | Standing |
| Operating temperature | 10–40 °C | 10–40 °C |
| Dimensions (width × depth × height) | 392 × 434 × 55.2 mm · without the optional standEvidence | 522 × 843 × 1,015 mmEvidence |
| Age in the cited catalogue | 3–99 yearsEvidence | 3–99 yearsEvidence |
| Impedance measurements | 10Evidence | 15Evidence |
| Display | 48 × 24 mm FSTN LCDEvidence | Colour LCD, 640 × 480 pixelsEvidence |
| Documented interfaces | RS-232C and Bluetooth; detailed report through LookinBodyModel sources | RS-232C, USB Host, USB Slave and EthernetEvidence |
| Power | Four AA batteries or a mains adapterModel sources | Not verified |
| Optional stand | 393 × 516 × 732 mm; total weight with stand 5.7 kgModel sources | Not verified |
| Report formats | Screen, optional thermal printer, full report through LookinBodyModel sources | Not verified |
| Controls | Buttons and a separate handpiece; height is enteredModel sources | Not verified |
| Measured regions | Not verified | Right and left arm, trunk, right and left legModel sources |
| Weighing | Not verified | Built-in weighing platform; height is enteredModel sources |
| Results | Not verified | Printed report and export through manufacturer softwareModel 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
- InBody — manuál 120, rev. E / 120 manual, revision E (2018)
- InBody — katalog 120 / 120 catalogue (2014)
- InBody 120 — česká produktová stránka / Czech product page
- InBody — příprava / test preparation
- InBody — Annual Report 2024, company history
- 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

