Differential Pressure Transmitter
Output: mV
Accuracy: 0.25%FS
Max. static pressure 20MPa
New Product Change Notice (PCN) effective Jan 1, 2025. MICROSENSOR appreciate your understanding.
MDM291
Used For
Industrial Process Control, Pressure Checking Meter, Pressure Calibrator
Leave a MessageMDM291 water differential pressure sensor is a fully welded sensor. The product has undergone automatic testing and temperature compensation process in the production process, so that the product has good temperature characteristics. MDM291 selects silicon chips with high precision and high stability. The measured differential pressure is transmitted to the sensitive chip through the pressure port, the isolation diaphragm and the filled silicone oil. This achieves a linear conversion of the differential pressure and output voltage signals. The high and low voltage ends of MDM291 are protected by isolation diaphragms. Both pressure chambers can be in contact with corrosive and conductive fluid media. The electrical connection and the high and low voltage terminals adopt threaded interface, which is convenient for assembly and installation.
Features
• Isolated structure without "O" type sealing ring
• All 316L stainless steel material
• High static pressure 20MPa
• Wide temperature compensation range 0℃~70℃
• Pressure port thread optional
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MDM291 water differential pressure sensor is a fully welded sensor. The product has undergone automatic testing and temperature compensation process in the production process, so that the product has good temperature characteristics. MDM291 selects silicon chips with high precision and high stability. The measured differential pressure is transmitted to the sensitive chip through the pressure port, the isolation diaphragm and the filled silicone oil. This achieves a linear conversion of the differential pressure and output voltage signals. The high and low voltage ends of MDM291 are protected by isolation diaphragms. Both pressure chambers can be in contact with corrosive and conductive fluid media. The electrical connection and the high and low voltage terminals adopt threaded interface, which is convenient for assembly and installation.
Features
• Isolated structure without "O" type sealing ring
• All 316L stainless steel material
• High static pressure 20MPa
• Wide temperature compensation range 0℃~70℃
• Pressure port thread optional

Pressure transmitters are used not only to measure the pressure inside the tank but also to measure the absolute pressure of the tank body and the pressure before and after the cryogenic pump, ensuring the safe operation of the system. Differential pressure measurement is the most common and reliable method for measuring the liquid level of cryogenic high-pressure bulk storage tanks.
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Large, high-capacity pulp storage towers with agitation homogenize the prepared pulp to guarantee continuous paper mill operation. Pump operation produces steam from the heated, agitated pulp, which also causes level oscillations.
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Pressure, level, and flow measurements at the rainwater outlet ensure stable drainage. Monitoring instruments help detection and early warning of pipe burst incidents in time.
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In the pharmaceutical industry, reaction kettles are mainly used to synthesize drugs and their active ingredients, as well as to prepare pharmaceutical intermediates. They are equipped with precise heating and cooling systems that can adjust the reaction temperature as needed to optimize the reaction rate and yield. Besides, the rc can maintain a stable pressure environment.
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