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WTsensor / High Performance Pressure Sensor P19

P19 High Performance Pressure Sensor is the core component for producing pressure sensors and pressure transmitters; as a kind of pressure sensitive elements with high performance, it can be conveniently processed through amplifying, and assembled into the transmitter with the standard signal output.

P19 High Performance Pressure Sensor packages highly reliable pressure die into 316L stainless steel housing; the external pressure is transmitted to the sensitive die through the stainless steel diaphragm and internally sealed silicon oil; the pressure die does not directly contact with the measured medium, so as to form all solid structure of pressure measurement, so this product can be applied to a variety of occasions, including harsh corrosive medium environment.

P19 pressure sensor adopts O-ring for pressure sealing, easy to install.

The company can also undertake special customization according to user needs, such as pressure sensors with fully welded structure, wide temperature compensation, high reliability, strong impact resistance, and vibration resistance, which are more suitable for replacing imported products.

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High Performance Pressure Sensor P19

Equivalent circuit

4 wires

image.png

Features

■With constant current excitation

■Imported highly reliable NOVA pressure die

■Wide temperature compensation

■Ceramic compensation board

■φ19mm standard OEM

■All 316L material

■High performance, all solid, high reliability

■18 months warranty period

 

 

Applications and industries

■ Process control systems

■ Pressure calibration instruments

■ Refrigeration equipment and HVAC control

■ Hydraulic systems and valves

■ Level measurement

■ Biomedical instruments

■ Ships and navigation

■ Aircraft and avionics systems

 

Product Parameters

Electrical performance parameters
Pressure range 0～7kPa…70MPa
Pressure reference Gauge pressure Absolute pressure or Sealed gauge pressure
Excitation 1.5mA recommended for constant current
Input impedance 3kΩ～8kΩ
Electrical connection Silica gel flexible wire
Compensated temp. Constant current: 0℃～70℃ (≤35kPa), -10℃～80℃ (other ranges)
Operating temp. -40℃～125℃
Storage temp. -40℃～125℃
Insulation resistance ≥200MΩ/250VDC
Response time ≤1Ms (up to 90%FS)
Measurement medium All the liquids and gases compatible with 316L
Mechanical vibration 20g (20～5000HZ)
Shock 100g (10ms)
Service life 1×106(cycles)
Structural performance parameters
Diaphragm material 316L
Housing material 316L
Perfusion liquid Silicon oil
Sealing ring Fluorine rubber
Basic parameters
Item Condition Min Typical Max Unit Note
Nonlinearity -0.2 ±0.15 0.2 %FS Note ⑴
Hysteresis -0.05 ±0.03 0.05 %FS
Repeatability -0.05 ±0.03 0.05 %FS
Zero output -2 ±1 2 mV
Full span output 1.5mA 50 mV
Zero temp. coefficient ≤35kPa

Others

 -1.5

-1

 ±1.2

±0.75

 1.5

1

 %FS Note ⑵
Sensitivity temp. coefficient -1 ±0.75 1 %FS Note ⑵
Thermal hysteresis -0.075 ±0.05 0.075 %FS Note ⑶
Long-term stability -0.2 ±0.1 0.2 %FS/year

Note:

⑴ Calculate according to BFSL least square method.

⑵ Range≤35kPa, compensation temperature range 0 ℃~70 ℃, other compensation temperature ranges -10 ℃~80 ℃, reference 35 ℃.

⑶ After passing high and low temperature, return to the reference temperature.

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