Comparison

Bodystat QuadScan 4000 vs InBody 770S

Bodystat QuadScan 4000 and InBody 770S: compare documented specifications, features and limitations. Check the reports and explanation offered by the provider. More features alone do not establish better accuracy.

Bodystat QuadScan 4000

Bodystat QuadScan 4000

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InBody 770S

InBody 770S

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Bodystat QuadScan 4000: when to consider it

QuadScan 4000 measures impedance at four frequencies using adhesive electrodes. Alongside estimated fat and fat-free mass, it reports body-water compartments, resistance, reactance and phase angle. Testing is supine; the operator enters height and weight.

InBody 770S: when to consider it

A newer generation for nutrition and clinical follow-up with a detailed water report. Useful for discussing fat and muscle changes in the context of water distribution and phase angle, including individual body regions.

Specifications side by side

Highlighted rows differ. Unknown values stay unknown.

SpecificationsBodystat QuadScan 4000InBody 770S
MethodMulti-frequency BIANot verified
Measurement frequencies5, 50, 100, 200 kHz5, 50, 250, 500 kHz; 1 MHz
Measurement positionSupineStanding
Electrodes4 adhesive electrodesNot verified
Documented outputsEstimated fat, fat-free mass, total, intracellular and extracellular water; 50 kHz phase angleNot verified
Recording timeNot verified≈ 30 s
Body weight rangeNot verified2–270 kg
Height rangeNot verified95–220 cm
Device weightNot verified35.7 kg
Contact electrodesNot verified8
Operating temperatureNot verified10–40 °C
Dimensions (width × depth × height)Not verified526 × 854 × 1,175 mmEvidence 1Evidence 2
Age in the cited catalogueNot verifiedFrom 3 yearsEvidence
Impedance measurementsNot verified25Evidence 1Evidence 2
Device internal database capacityNot verified100,000 recordsEvidence
DisplayNot verified10.2″ colour touchscreen TFT LCD, 800 × 480Evidence
Documented interfacesNot verified4× RS-232C, 2× USB host, USB device, Ethernet, Bluetooth and 2.4/5 GHz Wi-FiEvidence
Display diagonalNot verified10.2″Model sources
Result sheetsNot verifiedBody composition, child and dedicated water reportsModel sources
Specialist displaysNot verifiedThe water report includes BIVA and Z0; availability depends on settingsModel sources
Additional instrumentsNot verifiedCompatible stadiometer, blood pressure monitor and InGripModel sources
Result managementNot verifiedID, QR, USB backup and LookinBody software according to configurationModel 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