Product Category
Oil-filled isolated pressure sensor
The core sensitive element of the oil-filled medium isolated pressure sensor is composed of a self-developed high-performance MEMS pressure sensing chip equipped with a special integrated circuit conditioning chip for bridge amplification and calibration. It can be applied to water pressure measurement, oil pressure measurement, various types of gas pressure measurement, industrial control equipment, automotive fields and various types of transmitters. The pressure sensing module is isolated by stainless steel metal diaphragm, which can provide good linear analog output under various media. It is a low-cost pressure sensor for civilian use.
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Disposable Sphygmomanometer Pressure Sensor
The disposable sphygmomanometer pressure sensor can provide accurate voltage output linearly related to the external sensing pressure. The product is a sensor specifically designed for disposable medical instruments, especially for invasive arterial blood pressure monitoring (Invasive Blood Pressure Monitor). The product is composed of materials that meet the medical industry standards: a disposable injection molded housing that can be directly contacted with blood, a ceramic substrate attached to a thick film resistor that has been laser corrected and calibrated, a dielectric isolation gel, and a miniature silicon piezoresistive pressure sensing chip. The miniature silicon piezoresistive pressure sensor chip is manufactured using the world's advanced all-silicon pressure sensor technology, making the sensor chip reach the world's advanced level and domestic leading position in performance.
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Electronic sphygmomanometer pressure sensor
1. Design and produce wafers using our U.S. invention patent SENSA process technology; 2. The wafer has high consistency and is divided into 6 gears according to offset and span. 3. The concentration of temperature characteristics is good, and the change of temperature range from 5 to 45 degrees is within 2mmHg. 4. Nonlinearity, pressure hysteresis and temperature hysteresis are all within 3 ‰. 5. Our company reuses the silicon wheat industry chain, which is localized in the whole industry chain and has high cost performance ratio.
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The barometer product adopts a unique LGA package form, which has been verified for a long time and is stable and reliable. High stability atmospheric pressure measurement device, can provide accurate, and external sensing pressure linear correlation of digital signal output
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MEMS microphone has the advantages of high reliability, high stability, high consistency, low defect rate and low repair rate. The capacitive silicon microphone chip mainly includes a thin and elastic diaphragm and a rigid back plate, the back plate and the diaphragm form a parallel plate capacitor; the diaphragm will be displaced under the action of sound pressure, and the plate voltage will change with the movement of the diaphragm, thus converting the acoustic signal into an electrical signal.
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The vibration signal generated by the vocal cords is transmitted in two ways: one is to spread outward through the air medium, and the other is to spread outward through the human brain bone and muscle, causing the vibration of the auricle. The bone vibration sensor is to use the latter mode of transmission to detect the vibration signal of the auricle and pick up the wearer's voice information. The bone vibration sensor is not sensitive to the sound wave signal transmitted in the air, and has a natural suppression effect on the sound signal transmitted in the air. Therefore, the call noise reduction algorithm is simpler and more natural, and the noise suppression is more effective, which can provide better uplink call effect
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