Microsensor Digital Pressure Transmitter MPM3801A Series

The Pressure Transmitter for Industrial automation.

The MPM3801A digital pressure transmitter adopts the MPM3801 stainless steel oil-filled sensor as the sensing element, has the stainless-steel housing. Its wetted material is stainless steel, which has excellent corrosion resistance and long-term stability. The sensor is temperature compensated to ensure that the technical parameters such as Zero Point, sensitivity, linearity and stability are well maintained within the operating temperature range. MPM3801A digital pressure transmitter includes two versions: Type I and Type II. Type I is the complete transmitter, mostly used in end-user equipment. Its structure is compact and easy to be installed. It is widely used in process control and pressure and liquid level measurement in petrochemical industry, Internet of Things, electric power, aviation, aerospace, textile, building materials, hydrogeology, etc. Type II consists of MPM3801 digital pressure sensor with weldable or threaded process fittings, uses end face seal or waterline seal. Its flexible structure is specially used development of pressure instruments. It is widely used in IoT, petroleum and petrochemical industries etc.

Main Features

• Standard structure for general applications
• Weldable or threaded process fittings
• Low power consumption
• I²C or SPI interface protocols
• Gauge, Absolute and Sealed gauge

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Measured range

-1bar…0bar ～ 0.1bar…100bar

Overpressure

≤1.5 times FS or 1100bar (min. value is valid)

Total accuracya

±0.25%FS（-10℃ ~70℃）

Temperature accuracyb

±0.5℃（-20℃～ 80℃）

±0.75℃（-30℃～ -20℃）

Long-term stability

±0.25%FS/year

Compensation temperature

-10℃～ 70℃

Operation temperature

-30℃～ 80℃（4-pin angular connector model and 7-pin aviation plug model）

-10℃～ 70℃（cable outlet model）

Storage Temperature

-40℃～ 85℃（4-pin angular connector model and 7-pin aviation plug model）

-20℃～ 85℃（cable outlet model）

Power supply

3.6V ～ 28V DC

Output signal

RS485 (ModBus RTU or ASCII)

Load

RS485 terminal can cascade up to 99 transmitters

Electrical connection

4-pin Angular Connector（DIN43650）

7-pin Aviation Plug

Φ7.4mm shielded cable outlet

Insulation resistance

100MΩ@500V DC

Vibration

20g，20Hz ～ 2000Hz

Shock

20g，11ms

Weight ~

~210g

Protection class

IP65（(Angular connector model）

IP68（Cable outlet model）

IP63（7-pin Aviation plug type）

Wetted material

Diaphragm: Stainless steel 316L

Housing: Stainless steel 304

O-ring seal: Viton

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Do you like to know how these sensors work? Check our article to find out about them:

Pressure sensor (Pressure Transducer, Pressure Transmitter, Pressure Switch, Pressure Gauge,Difference between all Terms.

 Microsensor MPM3801A Series PDF Catalog  Transmitters Catalog