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ASAIR ADP2100 Manual

Digital differential pressure sensor
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ADP2100 Manual
Digital Differential Pressure Sensor
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Excellent repeatability , no drift
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Built-in temperature compensation
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High reliability and long-term stability
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high signal to noise ratio
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Built-in MCU with high processing capability
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Short response time and fast measurement speed
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Small size and light weight
Product summary
The ADP2100 sensor is a digital differential pressure sensor, and its internal thermal sensor element
measures the pressure difference of the gas. The sensor can measure the pressure difference of air,
nitrogen, and oxygen without drift and with high precision. It also has excellent accuracy at low
pressure difference. It has good performance in sensitivity, shock resistance and temperature
change.
The ADP2100 sensor has standard I2C interface, simple communication mode, and can be easily
connected to the microprocessor.
Application range
The ADP2100 is designed for high-accuracy measurement of differential pressure with a fast
response time of 1 0 ms and can respond quickly to air, nitrogen, and oxygen. It can adapt to HVAC
applications with harsh environment and low cost requirements, such as: VAV controller, burner, heat
recovery system and filter monitoring); it can also be customized and used in specific scenarios
according to customer needs, such as: fire protection in smart fire protection Residual pressure
monitoring system; pipe blockage monitoring and variable air volume control in electrical equipment
such as heating air conditioners and fresh air systems, building automation, precise control and
monitoring of gas flow in the medical field, etc.
www.aosong.com
Figure 1. ADP2100 Differential Pressure Sensor
2022.7
ADP2100
1 / 8

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Summary of Contents for ASAIR ADP2100

  • Page 1 Small size and light weight Product summary The ADP2100 sensor is a digital differential pressure sensor, and its internal thermal sensor element measures the pressure difference of the gas. The sensor can measure the pressure difference of air, nitrogen, and oxygen without drift and with high precision. It also has excellent accuracy at low pressure difference.
  • Page 2 ADP2100 1. Sensor parameters and materials 1.1 Sensor parameters Table 1. Sensor parameters Parameter Describe -500 ～ 500Pa Measuring range Zero point accuracy 0.3Pa Precision Reading × 3% Zero-point repeatability 0.1Pa Repeatability Reading × 0.5% Year offset < 0.05Pa Response time...
  • Page 3 ADP2100 1.3 Electrical parameters Table 3. Electrical Parameters Parameter Symbol State unit voltage Measurement supply current idle state 1.4 Timing parameters Table 4. Timing Parameters Parameter Describe ≤ 25ms _ Power-up time (time for sensor to be ready) ≤ 100kHz _...

  • Page 4: Pin Assignment

    3. I C and CRC check C address of ADP2100 is 0x 25 , namely 0 100101 , a total of 7 bits. The address is followed by a read or write bit, the I C address followed by a write bit command is 0x 4 a , followed by a read bit command is 0x 4 b .
  • Page 5 Byte 2: data low 8 bits (5 3 ) instructions read by the same type of read (0xE 201 ) Byte 3: CRC (D 1 ) sensor are consistent. The product type code for the ADP2100 is 0x 4153 . 5 / 8 www.aosong.com 2022.7...

  • Page 6: Checksum Calculation

    3.3 Checksum calculation CRC generally has three standards: CRC 8 , CRC 16 , and CRC 32 , and CRC 8 is used in ADP2100 . Taking the polynomial x +1 (0x 31 ) as an example, the CRC 8 checksum byte is generated by the CRC algorithm with the properties shown in Table 1.0 .

  • Page 7: Scale Factor

    For example, the number read from the sensor is 0x 0 FA 0 , 0x0FA0 converted into a decimal integer is 4 000 , temperature = 4000 ÷ 2 00 = 20 ℃ . 5. Dimensions Figure 4. ADP2100 (unit: mm, tolerance: ±0.1 mm ) 7 / 8 www.aosong.com...

  • Page 8: Quality Assurance

    Warranty Description Product Category Warranty period ADP2100 Differential Pressure Sensor 12 months The company is only responsible for the products that are defective due to the application in the occasions that meet the technical conditions of the product. The company does not make any guarantees for product applications in special scenarios that are not recommended.

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