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Intelligent Digital Pressure Transmitter
Hqb100 Universal Digital Pressure Transmitter
product overview
As a key equipment in the field of pressure measurement, Universal Digital Pressure Transmitter plays an important role in many scenarios such as industrial automation and production process control. It can accurately sense pressure changes and convert them into digital signal outputs, providing accurate and reliable pressure data for the system.
It uses high-performance piezoresistive or capacitive pressure sensors as the core sensitive components. When external pressure acts on the sensor, the resistance or capacitance of the sensor will change accordingly. For example, piezoresistive sensors utilize the piezoresistive effect of semiconductor materials, where changes in pressure cause changes in their internal resistance; Capacitive sensors change the capacitance by altering the distance or dielectric constant between the capacitor plates through pressure. The dedicated integrated circuit inside the transmitter collects and processes these changes, converts analog signals into digital signals through analog-to-digital conversion, and uses advanced algorithms to perform temperature compensation and nonlinear correction on the data, ultimately outputting accurate digital pressure values.
| Measurement range | (-100~0) kPa, (0~10) kPa to (0~100) MPa |
| Accuracy level | ± 0.25% FS, ± 0.5% FS |
| Output mode | (4~20) mADC, (0~5) VDC, RS485 |
| Waiting for power supply | (10~28) VDC |
| Installation methods | threaded connection, sanitary type, flange, etc |
| Optional features | 5-digit LCD digital display head, heat sink, etc |
| Explosion proof grade | intrinsic safety |
| Sensor types | diffused silicon sensor, ceramic piezoresistive sensor (optional), ceramic capacitive sensor (optional) |





We may accept consumers order with special requirement for instrument and meter!
Hongqi Instrument Co., Ltd. was established in 1993 and is a modern technology-based enterprise specializing in the research and development, production, sales, and service of pressure and temperature instruments. Located in "the Taihu Lake Lake Wangxian County" Zhejiang Changxing Economic Development Zone, it has two major production bases, Wenzhou and Changxing. The company covers an area of 50000 square meters and has over 1000 employees. Our products cover the whole country, with 21 offices and hundreds of agents; At the same time, the products are exported to dozens of countries and regions such as Europe, America, the Middle East, and East Asia.
Since its establishment, the company has always adhered to the principle of being the foundation and technological innovation as the driving force for development. There are currently 17 production workshops, 1 mold processing center, 1 provincial-level enterprise technology center, and 1 central laboratory. Strong technical strength and strong technological innovation capability. After more than 30 years of development, it has become a leading enterprise in the national instrument manufacturing industry.
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