BP9325-I2C Industrial Pressure Sensor with Stainless Steel Material for Durability
BP9325-I2C Silicon Piezoresistive Pressure Sensor
Product Introduction of industrial pressure sensor
The BP9325-I2C pressure sensor adopts our self-developed HT series silicon piezoresistive isolation membrane oil-filled core as the signal measurement element. The signal processing circuit is located inside the stainless steel housing, converting the sensor signal to a standard IIC output signal. The product has undergone rigorous testing and aging screening for components, semi-finished products, and finished products, ensuring stable and reliable performance.
Product Features of industrial pressure sensor
- Economical and compact
- Dual 24-bit ADCs for pressure and temperature acquisition
- Standard I2C communication protocol
- All stainless steel material
| Performance Parameters of BP9325-I2C industrial pressure sensor |
| Range | -100kPa…0 ～ 35kPa…3.5MPa……100 MPa |
| Pressure Type | Gauge pressure, absolute pressure |
| Power Supply | 3.0V ～ 3.6V DC |
| Output Signal | Digital I2C (pressure, temperature) |
| Overload | ≤ 1.5 times the rated range |
| Accuracy @ 25℃ | ±0.25% (typical), ±0.5% (maximum) |
| Repeatability and Hysteresis | 0.02% F.S (typical), 0.05% F.S (maximum) |
| Long-term Stability | ±0.1% F.S/year (typical), ±0.2% F.S/year (maximum) |
| Zero Temperature Drift | ±0.02% F.S/℃ (≤100KPa), ±0.01% F.S/℃ (>100KPa) |
| Full Scale Temperature Drift | ±0.02% F.S/℃ (≤100KPa), ±0.01% F.S/℃ (>100KPa) |
| Frequency Response | 2.4Khz |
| Compensation Temperature | -20-70℃(≤10MPa, customizable) |
| Operating Temperature | -30℃~80℃ |
| Storage Temperature | -40℃~120℃ |
| Continuous Operating Current | <3 mA DC |
| Housing Material | 304,316L |
| Diaphragm Material | 316L |
| Insulation Resistance | 50MΩ @50V DC |
| Protection Grade | IP65 |
| O-ring | Fluororubber |
| Weight | ~0.4kg |
Communication Protocol
BP-I2C uses the I2C bus protocol for communication with external devices. All data communication starts from MSB, with the default 7-bit I2C device address being 0x78. BP-IIC acts as an I2C slave device, and the master device can communicate with it using the following command formats::
When BP-I2C is set to digital output (using I2C 0xAC command), B[23:0] will be output in three bytes respectively. Users can easily convert to percentage using the following formula::
When using the 0xAC I2C command to read out the calibrated 5-byte data, the temperature information is provided by the last two bytes of 16-bit data. Users can easily convert the T value to actual temperature using the following formula:
Note: The bridge default is 10%~90%, the sensor bridge zero point corresponds to 10%, the full point corresponds to 90%. The sensor default does not output temperature values. Temperature output requires customization.
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