| Customization: | Available |
|---|---|
| Type: | Normal Pressure Transmitter |
| Structure Type: | Diffused Silicon Pressure Transmitter |
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The Hersman pressure transmitter is a precision instrument used to measure physical pressure parameters such as gases and liquids and convert them into standard electrical signals for measurement, indication and process regulation by secondary instruments such as indicator, recorder and regulator. The transmitter is usually composed of a load cell sensor, a measuring circuit and a process connection. The Hersman pressure transmitter uses a piezoresistive sensor with stainless steel diaphragm as the signal measurement element, and is automatically tested by computer. The zero point and sensitivity temperature compensation are carried out in a wide temperature range by laser resistance modulation technology.
Hersman pressure transmitter characteristics
Hersman pressure transmitters are widely used in various fields because of their excellent reliability, wide adaptability, product flexibility and diversity. They have wide range coverage, high cost performance and long service life. In addition, they also have a full stainless steel structure, a variety of pressure interface forms, with flush film type, health type, anti-corrosion type and other forms. The protection level is usually IP65, which can resist a certain amount of dust and waterproof splash.
Hersman pressure transmitter applications
Hersman pressure transmitters are widely used in the field of pressure measurement and control in petroleum, chemical, metallurgy, electric power, hydrology and other industrial processes. They can also be used in Marine and aviation industries, hydraulic and pneumatic control systems. In addition, they can also be used to measure the pressure of liquid, gas and other non-corrosive media of 316L material in automation equipment.
The advantages of Hersman pressure transmitters
Hersman pressure transmitter is a kind of high precision pressure detection equipment, which has been widely used in many fields, including petroleum, chemical, metallurgy, electric power, water conservancy and other industrial process site pressure measurement and control. Here are some of the main benefits of Hersman pressure transmitters:
1. High precision
Hersman pressure transmitter adopts imported diffused silicon or ceramic piezoresistive sensors as pressure detection components, coupled with electronic components, through laser resistance adjustment and temperature compensation, linear compensation, signal amplification, V/I conversion, pressure overload current limiting signal processing and other strict process supervision, thus achieving high-precision pressure measurement. Its comprehensive accuracy can reach 0.1FS, 0.25FS and 0.5FS.
2. Good stability
Hersman pressure transmitter has excellent stability, and its typical long-term stability value is ±0.1%FS. The maximum value is ±0.2%FS. In addition, it also has the advantages of earthquake resistance, moisture resistance, dust resistance, etc., and can work stably in harsh industrial environments.
3. Stable output signal
The output signal of Hersman pressure transmitter is stable, usually using the standard signal output of 4-20mA (two-wire system), which has good anti-interference ability and the characteristics of long transmission distance, to ensure the accuracy of measurement data.
4. You're adaptable
Hersman pressure transmitters are capable of measuring pressure in a variety of media, including liquids, gases or vapors, and are also suitable for indoor, liquid or gas pressure measurement. Its wide measuring range can be from -0.1MPa to 60MPa, or even higher, which can meet the needs of different application scenarios.
5. Compact structure and small size
Hersman pressure transmitters are compact in design, small in size and light in weight, and can be installed in a narrow position. This design not only facilitates installation and maintenance, but also reduces the space taken up.
6. Easy to install
The installation of the Hersman pressure transmitter is very convenient, usually using the direct installation of the pipeline, it is recommended to pretend to be a valve, easy to install, debug and maintain. In addition, the process connection is also very flexible, according to the field situation can choose the standard M20×1.5, G1/2, 1/2NPT, 1/4NPT and other interfaces.
7. High reliability
The Hersman pressure transmitter is highly reliable and its overload capacity is up to 2 times full scale pressure. In addition, it also has overvoltage and overcurrent protection circuit, anti-surge voltage, reverse polarity protection and other safety measures, can work normally under extreme conditions.
In summary, the Hersman pressure transmitter has been widely recognized in the field of pressure measurement and control due to its high precision, good stability, stable output signal, strong adaptability, compact structure, easy installation and strong reliability.
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