PTM350 Hygienic Flat Film Pressure Transmitter

The PTM350 uses a flat membrane to directly sense the pressure signal, uses a diffused silicon pressure core as a sensitive element, and uses standard silicone oil or olive oil as a pressure transmission medium. The measuring end is made of 316L stainless steel, and the special isolation diaphragm is welded .


1. Pressure interface adopts 316L flat diaphragm structure.

2. Hygienic, anti-scaling.

3, Wide range, can measure absolute pressure, gauge pressure and sealing reference pressure.

4. Good sealing, can work stably for a long time.

5. With heat sink, high temperature medium application performance is excellent.

6. Output signal can be selected, can be customized according to customer requirements.

Electrical parameters

Scale range-100kPa…0~10kPa…10MPa
Pressure typeGauge pressure, absolute pressure, sealing pressure
Power output4~20mA(12~30VDC)、0~5V、 1~5V、 0.5~4.5V、 0~10V (12~24VDC)
Hysteresis and repeatability0.1%FS
Temperature drift1.5%FS(@-20℃~85℃)
Response time≤1ms (up to 90% FS)
Service life≥10×106 Pressure cycling
Operating temperature±2%FS(@-20℃~85℃)
Medium temperature-20℃~85℃
Storage temperature-40℃~85℃
Insulation resistance≥100MΩ /250VDC
Vibration performanceSine curve: 20g, 25Hz~2kHz; IEC 60068-2-6; Random: 7.5grms, 5Hz~1kHz; IEC 60068-2-64
Protection levelIP65
Medium temperature
-40~85℃ (without heat sink); -40~150℃ (three heat sink); -40℃~250℃ (five heat sink)
Media compatibleVarious media compatible with 316L stainless steel
Explosion-proof gradeIntrinsically safe explosion-proof ExiaⅡ CT6

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