
A body composition analyzer uses bioelectrical impedance analysis (BIA) to estimate the proportion of fat, lean mass, total body water, and bone mineral content by passing a low‑level alternating
Inquire NowA body composition analyzer uses bioelectrical impedance analysis (BIA) to estimate the proportion of fat, lean mass, total body water, and bone mineral content by passing a low‑level alternating current through the torso and limbs. Multi‑frequency devices measure impedance at several frequencies (typically 5 kHz, 50 kHz, and 250 kHz) to separate extracellular and intracellular water, improving accuracy for clinical and fitness applications.
Key measurable outputs include fat mass percentage (±1.5 % CV repeatability), fat‑free mass, visceral fat rating (scale 1‑30), basal metabolic rate, and segmental lean distribution for arms, legs, and trunk. These values are derived from validated equations that correlate impedance readings with reference methods such as dual‑energy X‑ray absorptiometry (DXA).
| Parameter | Typical Value / Range |
|---|---|
| Measurement Frequencies | 5 kHz, 50 kHz, 250 kHz (optional 100 kHz, 500 kHz) |
| Electrode Type | 8‑point tactile electrodes ( stainless steel, silver‑silver chloride coating) |
| Impedance Measurement Range | 150 Ω – 1200 Ω |
| Output Parameters | Fat mass, fat‑free mass, total body water, visceral fat, bone mineral estimate, BMR, segmental lean (right/left arm, trunk, right/left leg) |
| Repeatability (CV) | <1.5 % for fat mass, <1.0 % for total body water |
| Power Supply | 100‑240 V AC, 50/60 Hz, 20 W max |
| Data Interface | USB‑C, Bluetooth 5.0, optional LAN (RJ45) |
| Display | 5.7‑inch LCD, 800×480 px, touch‑screen |
| Dimensions (W×D×H) | 380 mm × 340 mm × 110 mm |
| Weight | 4.8 kg |
Fitness centers and sports performance labs deploy these analyzers to monitor training‑induced changes in lean mass and fat distribution, enabling data‑driven program adjustments. Medical clinics use the same technology for rapid assessment of fluid status in dialysis patients, nutritional support planning, and sarcopenia screening in geriatric populations.
Corporate wellness programs benefit from portable, low‑maintenance units that provide employees with actionable body composition metrics without the need for invasive testing. Research institutions rely on the high repeatability and multi‑frequency capability for longitudinal studies where inter‑session consistency is critical.
Each unit undergoes a factory calibration traceable to a national metrology institute for impedance measurement, ensuring that the phase angle and resistance readings remain within ±0.5 % of the reference standard. Validation studies compare analyzer outputs against DXA scans across a cohort of 200 subjects, demonstrating a mean absolute error of 1.8 % for fat mass and 2.1 % for fat‑free mass.
Incoming inspection includes verification of electrode contact impedance (<10 kΩ), firmware checksum validation, and a functional test of all data interfaces. Units are subjected to a 48‑hour burn‑in cycle at 40 °C ambient temperature to identify early‑life failures before shipment.
Housing material can be selected from ABS plastic for standard environments or a reinforced polycarbonate blend for high‑traffic facilities requiring impact resistance. Electrode geometry is adjustable; larger surface area pads reduce measurement variance for subjects with higher body mass, while compact configurations suit pediatric or limb‑specific assessments.
Interface options include a USB‑C port for direct PC connection, a Bluetooth module for wireless transmission to mobile apps, and an optional Ethernet port for integration into hospital information systems. Firmware can be pre‑loaded with custom calculation algorithms or language packs upon request, with a minimum order quantity of 50 units for software customization.
To receive a formal quotation, discuss volume pricing, or request a sample unit for evaluation, please reach out to our sales team. We provide detailed documentation, including calibration certificates and validation reports, to support your purchasing decision.