Silicon Resonant
Ultra-high Precision Pressure Sensor
Accuracy 0.02%FS, 0.01%FS @140kPa, 280kPa, up to 350kPa

GP-QBA/BBA series is a high-precision MEMS silicon resonance pressure sensor, silicon resonance pressure sensor is currently the highest measurement accuracy of the pressure sensor, because of its high accuracy, good stability, digital output and other advantages, is widely used in aviation atmospheric data measurement systems, ground pressure controllers and meteorological measurement equipment.
The resonance structure in the core of the sensor adopts tuning fork beam design, its working mode is in-plane vibration, through electrostatic excitation capacitance pickup way to realize the interaction of electrical signal and mechanical vibration, and then combined with the closed-loop control circuit converted into frequency signal output.
GP-QBA/BBA Silicon Resonant Pressure Sensor


Accuracy Up to ±0.01%FS
Frequency Signal Output
Temperature range up to -55°C~ 85°C
Flexible electrical and pressure interface configurations
Pressure Range: 140kPa, 280kPa, 350kPa, Absolute
Output Pressure: 30kHz~50kHz
Output Temperature: 2kHz~15kHz
Accuracy: ±0.01%FS, ±0.02%FS with Temp. compensation
Stability: ±0.01%FS
Pressure Port: Φ2x7mm
GP-PID400 high-precision silicon resonant static pressure sensor, the core part of this series of products adopts the silicon resonant pressure sensor, by quantitatively compensating the analog signal of its output, and realizing the digital output. This series of products have a variety of output forms to choose from, and have pressure gain calibration, pressure offset calibration, temperature gain calibration, temperature offset calibration, can be used in the UAV atmospheric data measurement system.
Pressure: 280kPa, absolute
Static Pressure: 140kPa
Output: RS485, RS232, RS422, CAN
Accuracy: ±0.01%FS, ±0.02%FS
Temp. compensation: -55~85°C
Stability: ±0.01%FS
Pressure Port: Φ3.5x9mm
GP-PID4000 Silicon Resonant Dynamic and Static Pressure Sensor

GP-PID3000 is a single-channel digital output silicon resonant pressure transmitter. The core part of this series of products adopts the silicon resonant pressure sensor, through its output analog signal quantization compensation, and realize the digital output. It provides a wide range of outputs with temperature and pressure gain and offset calibration, and can be used in a variety of high-precision pressure measurement scenarios.
Pressure: 140kPa, 280kPa, 350kPa, absolute
Output: RS485, RS232, RS422, CAN
Accuracy: ±0.01%FS, ±0.02%FS
Temp. compensation: -40~80°C
Pressure Port: Φ3.5x9mm
GP-PID3000 Silicon Resonant Digital Pressure Sensor



GP-PID3200 is a single-channel digital output silicon resonant pressure transmitter. The core part of this series of products adopts the silicon resonant pressure sensor, through its output analog signal quantization compensation, and realize the digital output.
Pressure: 140kPa, 280kPa, 350kPa, 1MPa, 2MPa, absolute
Output: RS485, RS232, RS422, CAN
Accuracy: ±0.01%FS, ±0.02%FS
Temp. compensation: -40~80°C
Pressure Port: Optional
GP-PID3200 Silicon Resonant Digital Pressure Sensor

