iBodyinfo BCM-H10 Body Composition Module Technical Specifications (V4.0)

This document provides the official technical specifications for the iBodyinfo BCM-H10 V4.0 Body Composition Analyzer Module. For your convenience, we recommend downloading the complete PDF version.

BCM-H10_Module_Technical_Specifications_V4.0.pdf

1. Module Overview

The BCM-H10 is a core measurement module custom-designed for “Body Composition Analyzers.” It enables the most critical functions of such devices, including weight measurement, human impedance measurement, body composition analysis, and overall physical assessment. The module also features a height measurement interface for easy integration of an ultrasonic sensor via a TTL serial port for automatic height acquisition. By integrating this Smart Scale PCBA with a display and enclosure, developers can rapidly create a variety of professional body composition analysis devices.

2. Interface Descriptions

2.1 Communication Interface

The module uses a 3-wire serial port with TTL 3.3V or 5V levels. All commands and results are transmitted via this interface (TXD/RXD).

2.2 Load Cell Sensor Interface

The module integrates a high-precision load cell interface for connecting an external 4-wire parallel beam sensor, providing a robust and accurate foundation for the system’s weight measurement capabilities.

Interface Driving Capability

• Excitation Voltage: 3.3V
• Max Driving Current: 20mA
• A/D Resolution: 24 bit

Recommended Sensor Application Parameters

• Capacity Range: 150, 200, 250, 300 Kg
• Recommended Platform Size: 400×400 mm
• Typical Applications: Widely used in electronic price computing scales, weighing scales, and body composition analyzer platforms.

Recommended Sensor Technical Specifications

2.3 Impedance Measurement Interface

For connecting 8 electrodes to perform 5-segment, multi-frequency measurements.

• Impedance Resolution: 0.01 Ω
• Impedance Measurement Error: ≤ 1 Ω

2.4 Power Interface

• Input Voltage: DC 5V ±10%
• Input Current: < 500mA

3. Performance & Technical Specifications

3.1 Operating Environment

Recommended for use in general home and office environments. Avoid proximity to strong sources of electromagnetic interference, such as high-power motors.

3.2 Measurement Principle

Multi-frequency Bioelectrical Impedance Analysis (BIA).

3.3 User Input Parameters

• Gender: Male / Female
• Age: 8 – 80 years
• Height: 80 – 230 cm
• Weight: 20 – 200 Kg

3.4 Measurement Output Metrics

• Raw Data: Can output raw impedance values for 5 segments (left arm, right arm, trunk, left leg, right leg) at 3 frequencies (5kHz, 50kHz, 100kHz) upon customization.
• 18 Core Metrics: Includes Weight, Fat-Free Mass (FFM), Total Body Fat (TBF), BMI, Percent Body Fat (PBF), Protein, Minerals, Skeletal Muscle Mass (SMM), Bone Mineral Content (BMC), Total Body Water (TBW), ECW/ICW, Visceral Fat Index (VFI), BMR, Body Age (BDA), and more.
• Weight Measurement: Range 5-200Kg, with an accuracy of ±0.1Kg.

3.5 Reliability Characteristics

The module has undergone rigorous reliability testing and complies with multiple IEC international standards.

3.6 ESD Characteristics

4. Module Application & Protocol

4.1 Usage Instructions

The module provides a 3-wire TTL serial port interface. An external circuit only needs to supply 5V power and a serial connection to perform all control and data retrieval operations.

4.2 Firmware Update

The module’s firmware can be upgraded via the serial port using the standard Ymodem transfer protocol, allowing for continuous algorithm and feature enhancements.

4.3 Communication Protocol

• Version: V4.1.1 (Please contact technical support for the full protocol document).

5. Dimensions

• Module Size: 86.36 × 58.42 mm

6. Application Reference

The BCM-H10 module is the ideal core for building professional stand-on body composition analyzers.

7. Technical Support

• Contact: Mr. Li (Engineer)
• Phone: +86 18344460909
• WhatsApp: 8618344460909