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MPM4891B Analog Output Pressure Transmitter
MPM4891B Analog Output Pressure Transmitter

• Pressure range: 0kPa~10kPa...40MPa;
• Output Signal:4-20m ADC;
• Accuracy: ±0.5%FS;
• 2-wire current output pressure transmitter

Features

• Safe, reliable, stable

• Short circuit protection and reversed polarity protection

• 2-wire current output

• Manual zero-clearing function

• Manual secondary calibration

• compact size, easy installation


Introduction

MPM4891B is newly developed pressure transmitter parts with high accuracy and stability. It is made up of piezoresistive pressure sensor and specialized processing circuit. It is stable, reliable, compact in size. With zero clearing button and manual pressure calibration function, MPM4891B pressure transmitter is easy for operation. MPM4891B pressure transmitter is with OEM package, suitable for application and development for various pressure transmitter. 

Specifications

Range: 0kPa~10kPa…40MPa

Overpressure: 1.5FS

Pressure Type: Gauge, Absolute or Sealed Gauge

Accuracy: ±0.5%FS 

Power Supply: 11V~28V DC

Output: 4mA~20mA DC (2-wire)

Load Resistance: ≤ (U-11) / 0.02(Ω)

Zero Thermal Drift: ±0.02%FS/℃

FS Thermal Drift: ±0.02%FS/℃

Long-term Stability: ±0.3%FS/year

Operation Temperature: -25℃~75℃

Storage Temperature: -40℃~80℃

Relative Humidity: 0%~85%

O-ring: Viton

Diaphragm: SS316L

Leading Wire: silicone rubber

Gross Weight: 22g

Media Compatibility: liquid or gas compatible with stainless steel and viton


Button Function

1. Without pressure, press the button for 5s for zero clearing, it outputs 4mA DC.

2. If the transmitter is excited while pressing the button, it enters calibration mode, the output can be calibrated by LED indication. Please see below chart for functions.

Button Operation

Phenomenon

Function

Excite power supply after pressing button

LED light on

Enter calibration mode

Pressurize to lower limit of pressure

LED flash 2 times

Zero calibration finished, low current calibration finished

Pressurize to upper limit of pressure

LED flash 3 times

FS calibration finished, middle current calibration finished

Pressurize to upper limit of pressure

LED flash 4 times

Calibration coefficient storage finished, high current calibration finished



Outline Construction and Installation  (Unit: mm)




Order Guide:

MPM4891B

Pressure Transmitter

 

 

 

 

 

 

 

 

 

 

 

 

 

Range

0kPa~10kPa…40MPa

[0~X] kPa or MPa

X: actual measurement range

 

 

Code

Output

E

4mA~20mA DC (2-wire)

 

 

Code

Construction Material

22

SS316L

 

 

Code

Pressure Type

G

Gauge

S

Sealed Gauge

A

Absolute

 

 

 

 

MPM4891B [0~200]kPa E 22 G the whole spec.


Notes

1. Please pay attention to protect sensor isolated diaphragm to avoid damaging the sensor or affecting the performance.

2. Please make sure the measured media shall be compatible with the contacting material.

3. If users have special requirement, please contact us freely.


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