PRODUCTS
Industrial Pressure Transmitter Diaphragm
HQB-102 Industrial Pressure Transmitter diaphragm
product overview
Diaphragm Chamber is a key sensing component of industrial pressure transmitters, located between the measured medium and the sensor chip. It transmits pressure through elastic deformation and also serves to isolate the medium, prevent corrosion, and prevent blockage. Its performance directly affects the measurement accuracy, stability, and service life of the transmitter, especially suitable for complex working conditions such as viscous liquids, corrosive media, and particulate impurities.
Product Features
·Can be paired with LCD and LED displays
·Protection
·Reverse polarity protection, anti-interference protection, overvoltage and overcurrent 316L stainless steel isolation diaphragm, integrated design
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Measurement range |
(-100~0) kPa, (0~10) kPa to (0~100) MPa |
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Accuracy level |
Soil 0.25% FS |
|
Output modes |
(4~20) mADC, (0~5) VDC, RS485, etc |
|
Power supply |
(10~28) VDC |
|
Installation methods |
threaded connection, sanitary type, flange, etc |
|
Optional features |
heat sink, Bluetooth, etc |
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Explosion proof grade |
intrinsic safety, explosion-proof |
|
Communication protocol |
HART (optional) |
| Sensor types | diffused silicon sensor, ceramic piezoresistive sensor (optional), ceramic capacitive sensor (optional) |







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.
Professional manufacturer
We have over 30 years of production experience in products such as pressure gauges, thermometers, and pressure reducers. We have over 70000 square meters of modern standard factory buildings, 17 workshops, and two central laboratories. There are currently over 1000 employees. Design and produce the core components of pressure gauges: Bourdon tube, movement, connector, case, dial, and related accessories. With strong production capacity and modern production lines, we can meet your different requirements, with a monthly production capacity of over 1.2 million pieces. We have a team of experts including 5 senior engineers and 15 engineers. At present, we have dozens of invention patents, design patents, and utility model patents. A 100000 level clean workshop used for producing food and medical pressure gauges. Our emphasis on product quality and customer service has made us increasingly popular, becoming the preferred supplier in China and around the world.
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