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Infrared Thermometer Module BMH06206-42

US$6.00 (Excl. Tax)
In stock
Quantity
1 pieces
Product ID
BMH06206-42

The BMH06206 series consists of infrared temperature measurement modules, designed for non-contact temperature measurement. It utilizes a 24-bit A/D conversion chip specifically designed by Holtek for high-precision infrared sensors, paired with an infrared thermopile sensor to achieve a measurement resolution of 0.1°C. The results are output directly via I2C, PWM, or IO modes.

The product is calibrated at the factory, eliminating the need for user calibration and reducing equipment costs. By accessing the built-in EEPROM and RAM through the I2C interface, users can configure parameters such as emissivity and read ambient or object temperatures, offering high flexibility for medical thermometers, industrial temperature guns, and household appliances.

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Product Features
  1. Operating Voltage: 2.6V – 5.5V
  2. Measures ambient temperature, object surface temperature, and human body temperature
  3. Measurement resolution of 0.1°C
  4. Low standby power consumption: < 3μA (at 3V)
  5. Output Modes: Standard I2C, PWM Output, and IO Output
  6. Integrated voltage regulator with a wide power input range
  7. Direct temperature value output, reducing development costs
  8. Factory pre-calibrated for cost efficiency
PIN DESCRIPTION
Pin Pin Name Type Function
1 VDD PWR Power Supply
2 SCL I/O I2C Clock Line/td>
3 SDA/PWM/IO I/O I2C Data Line or PWM Output or IO Output
4 GND PWR Power Supply
Technical Q&A

Q1: What are the measurement ranges and accuracy for different models?

Answer The BMH06206 is divided into Medical (-x1) and Industrial (-x2) versions:

- Medical Type: Range 0~100°C; accuracy within 30~45°C is up to ±0.2°C.
- Industrial Type: Range -40~300°C; accuracy is approximately ±1°C or ±1.5%.

Q2: How do I switch the output mode to PWM or IO?

Answer The module defaults to I2C mode. To switch:

- Modify the ModeConfig register (EEPROM address 08h).
- Set Model [1:0] to '01' for PWM mode or '10' for IO mode.
- Restart the module to apply changes.

Q3: How can I force the module back to I2C mode from PWM/IO mode?

Answer While powered on, if the module detects the SCL line held low (T1) for 50ms, it will temporarily switch to I2C mode.

You must then reset Model [1:0] to '00' in the EEPROM (08h) and restart the module to permanently restore I2C mode.

Q4: How do I enter and exit Sleep Mode?

Answer To enter Sleep Mode, send the operation code 0xFF along with specific fixed data:

Sleep Command Sequence:
1. Slave Address (0x50) ➔ Command (0xFF) ➔ Data_Low (0x34) ➔ Data_High (0x12) ➔ PEC.
2. To exit, simply send any I2C command to wake the module.

Q5: Are there timing restrictions for EEPROM operations?

Answer Yes, a 10ms interval is required between consecutive EEPROM write operations, and a 10ms delay is necessary before reading back data that has just been written to the EEPROM.

Product Specifications
  1. Field of View (FOV):
    - BMH06206-1x / -3x: 36°
    - BMH06206-2x / -4x: 108°
    - BMH06206-5x: 10°
  2. Physical Dimensions:
    - Height: 18.3mm to 23.3mm (varies by model)
    - Sensor Diameter: 9.0mm to 12.0mm (varies by model)
File Icon Datasheet(Simplified Chinese) V1.00 (434.82 kB)
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More Information
HS Code (reference) 9025.90.00.00-4
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