Tianjin RDP Instrument Technology Co., Ltd.

PRODUCTS

Diffused Silicon Pressure Transmitter

Description
Description

Diffused Silicon Pressure Transmitter


The Diffused Silicon Pressure Transmitter is manufactured using state-of-the-art isolated diffused silicon 

sensing elements and high-quality integrated circuits. Combining excellent performance with 

cost-effectiveness, it is designed to meet the demands of a wide range of industrial applications.


The transmitter incorporates precision diffused silicon sensing technology, advanced mechanical processing,

temperature compensation, and analog signal conditioning technologies, ensuring high accuracy, long-term 

stability, and reliable performance. Its main circuitry is fabricated with advanced materials and processes, 

while the fully sealed construction provides complete isolation from the external environment.


Designed for harsh industrial environments, the transmitter offers excellent resistance to moisture, water 

ingress, explosion hazards, corrosion, dust, and other adverse operating conditions. By selecting appropriate

process connections and wetted materials, it can accurately measure highly corrosive media, high- and 

low-temperature fluids, as well as viscous process media.


With its robust design, outstanding reliability, and versatile application capability, the Diffused Silicon 

Pressure Transmitter is an ideal solution for pressure measurement and control in industries such as 

petrochemicals, water treatment, power generation, food processing, pharmaceuticals, and general 

industrial automation.


Features


* Small size and light weight: Only 1/3 the size and 1/5 the weight of a capacitive pressure transmitter.

* High accuracy and good stability: Stable and reliable silicon piezoresistive chip.

* Reliable circuitry and fast response.

* Advanced diaphragm isolation technology: Employs advanced diaphragm/oil-filled isolation technology; minimal oil filling ensures excellent pressure transmission.

* Intelligent interface and easy expansion: The intelligent type can be easily connected to various intelligent display controllers, frequency converters, PLCs, DCS, PCs, PDAs, etc.



Technical Specifications


ItemTechnical Parameters
Measured MediumLiquid, Gas, Steam
Measurement Range

0–500 Pa ~ 0–5 kPa (without isolation diaphragm)

0–5 kPa ~ 0–80 MPa (with isolation diaphragm)

Ambient Temperature-20°C ~ 85°C -40°C ~ 85°C
Operating Temperature-20°C ~ 80°C
Supply Voltage18–36 VDC
Allowable Overload2× rated pressure
Explosion Protection LevelIntrinsically safe: ia IIC T6 Explosion-proof: d II BT6
Housing MaterialDie-cast aluminum alloy, surface epoxy coating
WeightStandard: 0.75 kg With local display: 1 kg







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