This pressure transmitter uses a high-precision, high-stability pressure sensor component from an internationally renowned company. Through a highly reliable amplification circuit and precision temperature compensation, it converts the pressure of the measured medium into4～20mADC、0～5VDC，0～10VDC and1～5VDC and other standard electrical signals. The high-quality sensor, sophisticated encapsulation technology, and complete assembly process ensure the product's excellent quality and optimum performance. The product offers multiple interface configurations and lead-wire options, meeting customer requirements to the greatest extent and making it suitable for use with various measurement and control equipment.

Operating Principle

When a pressure signal acts on the sensor, the pressure sensor converts it into an electrical signal. After differential amplification and output amplification, the signal is finally converted throughV/A voltage-to-current conversion into a standard4-20mA current output signal that varies linearly with the liquid-level pressure of the measured medium (liquid).

Features:

Compact size, high cost performance, high stability, and high sensitivity

0～-0.1MPa to0～250MPa

Strain-gauge sensor  Diffused silicon sensor  Ceramic piezoresistive sensor optional

Stainless-steel construction

Multiple range options and convenient user adjustment

Optional zero//full-scale adjustment

Pressure types: gauge pressure, absolute pressure, and vacuum

Accuracy:1.0 class,0.5 class,0.25 class,0.1 class

Optional compact integrated LCD display and display head with switch output

Laser marking can be used, ensuring product traceability 

Applications: 

Hydraulic and pneumatic control systems

Level measurement and control

Petrochemical, environmental protection, and air compression

Power station operation inspection and locomotive braking systems

Thermal power generating units

Light industry, machinery, and metallurgy

Building automation and constant-pressure water supply

Other automatic control and detection systems

Industrial process measurement and control

Laboratory pressure calibration 

Technical Parameters:

Measured media Various liquids, gases, or steam compatible with304/316 stainless steel

Measurement range Gauge pressure0～0.01MPa to0～250MPa Absolute pressure0～0.1MPa to0～250MPa Vacuum0～-0.1MPa

Overload pressure 2 times full scale or300MPa(whichever is lower)

Output signal 4～20mADC(two-wire) 0～10VDC，0～5VDC，l～5VDC，1-10VDC(three-wire)

Supply voltage 9～36VDC(two-wire)，24±5VDC(three-wire)

Media temperature -30～+85℃

Ambient temperature -20～+85℃

Storage temperature -40～+90℃

Relative humidity ≤ 95％(40℃)

Rise time ≤5 milliseconds to reach90％FS

Accuracy 1.0级，0.5级，0.25级(combined error including nonlinearity, repeatability, and hysteresis)

Zero adjustment ±8％ of output span

Span adjustment ±20％ of output span

Temperature drift ≤±0.05％FS／℃(temperature range-20～85℃, including the temperature effects on zero and span)

Temperature compensation range 0～70℃

Stability Typical:±0.1％FS／year Maximum:±0.2％FS／year

Media-contact materials 316 stainless steel/304 stainless steel

Housing material 304 or316 stainless steel

Installation method Threaded installation

Pressure connection M20×1.5、M12×l、Gl／4、Gl／2 male threads, etc.

Electrical connection Four-core shielded cable (protection ratingIP65) aviation connector DINconnector