Most Accurate Body Fat Analyzer Factory
This device measures body composition using multi‑frequency bioelectrical impedance analysis (MF‑BIA) with three distinct frequencies to separate extracellular and intracellular water contributions.
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This device measures body composition using multi‑frequency bioelectrical impedance analysis (MF‑BIA) with three distinct frequencies to separate extracellular and intracellular water contributions.
Measurement Principle
MF‑BIA applies alternating currents at 5 kHz, 50 kHz, and 250 kHz through surface electrodes. The resulting impedance vectors are solved for total body water, extracellular water, and subsequently fat‑free mass and fat mass.
Electrode contact is maintained by stainless‑steel 316L pads coated with a thin conductive polymer layer, reducing polarization artifacts and ensuring stable readings over repeated measurements.
Technical Specifications
| Parameter | Typical Value | Notes |
|---|---|---|
| Measurement method | Multi‑frequency bioelectrical impedance analysis (MF‑BIA) | Frequencies: 5 kHz, 50 kHz, 250 kHz |
| Body fat range | 3 % – 50 % (adjustable) | Validated against DXA reference |
| Accuracy (RMSE) | ±1.5 % body fat | 95 % confidence interval |
| Repeatability (CV) | ≤0.8 % | Same subject, same day, five repetitions |
| Electrode material | Stainless steel 316L with conductive polymer coating | Low impedance drift, corrosion resistant |
| Sampling rate | 1 kHz per frequency | Ensures stable impedance trace |
| Output interface | USB‑C, RS‑485, optional Bluetooth LE | Configurable per order |
| Power supply | 12 V DC, 2 A (external adapter) | Over‑voltage protection |
| Operating temperature | 0 °C – 40 °C | Relative humidity 10 %–90 % non‑condensing |
| Dimensions (W×H×D) | 120 mm × 80 mm × 25 mm | Enclosure: ABS‑PC blend, UL‑94 V‑0 |
Application Context
Body fat analyzers are installed in corporate wellness kiosks, gym‑based assessment stations, and OEM fitness equipment where objective composition data supports user feedback and program tracking.
The multi‑frequency technique improves accuracy across age, ethnicity, and hydration states compared with single‑frequency devices, reducing measurement bias in diverse populations.
Quality Control & Testing
Each unit undergoes a three‑step verification: impedance linearity check across the frequency range, electrode contact resistance measurement (<10 kΩ), and comparative body fat assessment against a DXA reference panel of 30 subjects.
Statistical process control charts monitor repeatability; any unit exceeding a CV of 0.8 % is rejected before packaging.
Customization Options
- Electrode layout – hand‑to‑hand, foot‑to‑foot, or segmental configurations
- Enclosure color and branding (laser etched or silk‑screen)
- Firmware output – raw impedance values, calculated body fat %, or custom algorithms
- Cable length and connector type for OEM integration
FAQ
Can dimensions be customized?
Yes. The enclosure can be resized within mechanical limits; contact us with required dimensions for a feasibility review.
What information is required before quotation?
Application details (measurement site, expected volume), desired output interface, and any regulatory certifications needed (e.g., FCC, CE).
How is quality inspected?
Each unit is tested for impedance linearity (<0.2 % deviation), electrode contact resistance (<10 kΩ), and comparative accuracy against DXA (±1.5 % body fat).
For further technical details or to request a quotation, please reach out.
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