High temperature pressure transducer for air/water/oil pressure measurement has optional output signal, such as 4-20mA/0-20mA/0-5V/1-5V/0-10V/RS485, pressure measuring range (0~100/300/3000/5000 psi) can be customized.
Application: High temperature pressure transducer is widely used in process control, chemical, petroleum and metallurgical industry and other fields.
Specification:
Model | CHN-PRES-P400G |
Weight | 1.6kg |
Measuring range * | -0.1~60MPa (-1~600bar/-14~8702psi) |
Pressure type | Gauge pressure (standard), absolute pressure, sealed pressure |
Measure medium | Air, water, oil |
Power supply * | DC 12V, DC 24V, DC 12-36V |
Output signal * | 4-20mA, 0-20mA, 0-5V, 1-5V, 0-10V, RS485 |
Accuracy * | ±0.5%FS, ±0.3%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 |
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 | -20~+300℃ (-4~+572℉) |
Quantity of cooling fins (medium temperature) * | 3 pieces (-20~+120℃/-4~+248℉), 5 pieces (-20~+180℃/-4~356℉), 7 pieces (-20~250℃/-4~+482℉) Note: For higher medium temperature (-20~+300℃/-4~572℉), please contact us to customize a cooling pipe kits. |
Material | Housing: Cast aluminum Fill fluid: Silicon oil Pressure port: 316L stainless steel Separating diaphragm: 316L stainless steel |
Protection class | IP67 |
Note: * denotes optional parameters, you can select every parameter in drop-down lists to finish your order.
High temperature pressure transducer dimension drawing (unit: mm):

Pressure transducer wiring diagram:

Tips: Outage and commissioning steps of on-site installed pressure transducer
The installation method of on-site installed pressure transducer and spring manometer are nearly the same, namely there's only one sampling valve. Sometimes, there's also a drain valve.
Note: On-site installed pressure transducer mentioned here mainly refers to the screw mounted transducer, such as the monocrystalline silicon pressure transducer.
- Outage Method of On-site Installed Pressure Transducer
When stopping, close the sampling valve of on-site installed pressure transducer and open the drain valve slowly to remove the measured pressure. If there's no drain pressure, the pressure can only be relieved by slowly loosening the joint threads of pressure transmitter. When operating, be careful of medium pressure injury. - Commissioning Method of On-site Installed Pressure Transducer
When commissioning, open the sampling valve of on-site installed pressure transducer.
High temperature pressure transducer with classic 2088 type head can be used in humid or harsh environment for a long time. Pressure transducer has optional measuring range -0.1~60MPa/ -1~600bar/ -14~8702psi, medium temperature -20~+300℃ (-4~+572℉), special for air/water/oil pressure measurement. The internal ASICs convert the mV signal into a standard current (4-20mA/0-20mA), voltage (0-5V/1-5V/0-10V) or RS485 signal.