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Steam/Fuel Oil Pressure Sensor for High Temperature

The pressure sensor can be used for steam/fuel/high temperature liquids Steam/fuel oil pressure sensor for high temperaturepressure measurement in high temperature. Its core component is a high-performance silicon pressure core based on the piezoresistive principle. It is made of 304/316L stainless steel sealing structure, which is small size and light weight. The pressure sensor have good resistance to vibration and impact. The pressure sensor contains cooling fins and users can select the appropriate number for cooling fins based on the measuring temperature. Measuring range -0.1~100MPa / -1~1000bar / -14~14503psi, medium temperature -40~ +300℃ (-40~ + 572℉). Its internal ASIC converts the mV signal to the standard current signal (4-20mA / 0-20mA), the voltage signal (0-5V / 1-5V / 0-10V) or RS485.
Accuracy is an important performance specification for pressure sensors, affecting the measurement accuracy of the entire measurement system. Therefore, it is not necessary to pursue high accuracy blindly. As long as the accuracy meets the accuracy requirements of the entire measurement system, users can choose a more economical and easy-to-operate pressure sensor among the same types.

High temperature steam/fuel oil pressure sensor specification

Model
ATO-PRES-P300G
Weight
0.4kg
Measuring range
-0.1~100MPa (-1~1000bar/-14~14503psi)
Pressure type
Gauge pressure, absolute pressure, sealed pressure
Measure medium
Steam, fuel oil, high-temperature liquid (non-explosion proof area)
Power supply
DC 12V, DC 24V, DC 12-36V
Output signal
2 wire: 4-20mA, 0-20mA
3 wire: 0-5V, 1-5V, 0-10V
RS485
Accuracy
±0.5%FS, ±0.3%FS, ±0.1%FS
Zero temperature drift
±0.03%FS/℃
Sensitivity temperature drift
±0.03%FS/℃
Long term stability
≤0.2%FS/year
Overload pressure
200%FS
Frequency response (-3dB)
5kHz~650kHz
Electrical connection
DIN connector type, M12 circuilar connector type, direct lead wire type
Thread of pressure connection
G1/4, G1/2, 1/4NPT, 1/2NPT, M14*1.5, M20*1.5
Response time
<10ms
Operating temperature
-40~+80℃ (-40~+176℉)
Medium temperature
-40~+300℃ (-40~+572℉)
Quantity of cooling fins (medium temperature)
3 pieces (0-180℃/32~356℉), 5 pieces (0-250℃/32~482℉), 7 pieces (0-300℃/32~572℉)
Material    
Housing: 304/316L stainless steel
Fill fluid: silicon oil
Pressure port: 304/316L stainless steel
Separating diaphragm: 304/316L stainless steel
Sealing: FKM (medium temperature ≤ +200℃/+392℉), EPDM, NBR
Cable length
2m
Protection class
IP65

High temperature pressure sensor dimension drawing

High temperature pressure sensor dimension drawing

High temperature pressure sensor wiring diagram

High temperature pressure sensor wiring diagram

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