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Micro Sensor Co., Ltd.

Pressure Transmitter, Pressure Transducer, Intelligent Pressure Transmitter manufacturer / supplier in China, offering Hart Petroleum Intelligent Pressure Sensor (MPM4730), CE Approved Piezoresistive Differential Pressure Sensor (MDM290), CE Approved Piezoresistive Pressure Sensor MPM280 and so on.

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Hart Petroleum Intelligent Pressure Sensor (MPM4730)

FOB Price: Get Latest Price
Min. Order: 1 Piece
Port: Xian, China
Production Capacity: 400, 000PCS/Year
Payment Terms: T/T, Western Union

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Basic Info
  • Model NO.: MPM4730
  • Component: Mechanical Structure Type
  • Output Signal Type: Analog Type
  • Material: Stainless Steel
  • Wiring Type: Two-Wire
  • IP Rating: IP68
  • Customized: Customized
  • Pressure Type: Gauge, Absolute, Sealed Gauge
  • Compensated Temperaure: -10 ~ +80c
  • Product Type: Intelligent Pressure Sensor
  • Electric Connection: Plug or Cable Connection
  • Power Supply: 2-Wire, 3-Wire
  • Transport Package: Standard Package for Exporting
  • Origin: Baoji China
  • Type: SemiConductor Strain Gauge Pressure Sensors
  • For: Diffused Silicon Pressure Transmitter
  • Production Process: Normal Wirewound
  • Thread Type: M
  • Measuring Medium: Liquid
  • Certification: ISO
  • Measurement Range: -0.1...0~0.01...100MPa
  • Overpressure: 1.5 Times
  • Output Signal: 4~20mA
  • Digital Signal: RS485 or Hart
  • Diaphram: Ss316L
  • Trademark: Micro Sensor
  • Specification: ISO9001: 2001, RoHS, CCS, Ex,
Product Description

MPM4730 Intelligent Piezoresistive Pressure Transmitter 


·4~20mADC 2-wire current output;

·Digital compensation and non-linearity correction technics;

·-10°C~80°C digital wider temperature compensation;

·RS485 communication interface or HART communication protocol(optional);

·Netting available;

·Full stainless steel construction, compact size, light weight;

·Special requirement available;

·RoHS certificated;

·Intrinsic safe ex-proof version conforming to GB3836.4 ExiaIIBT6 Ga Regulation;

· Ex-proof Certificate is issued;

·Ship-use product conforming to CCS Rules of Classification of Sea-going Steel Ships (2006) .



Hart Petroleum Intelligent Pressure Sensor (MPM4730)



          MPM4730 HART Intelligent Pressure Transmitter is the highly accurate and stable intelligent pressure transmitter. It uses digital temperature compensation,non-linearity correction technics and the most advanced transmitter production technique, the whole product has compact size, high accuracy, light weight and wider pressure range, can be used for flow pressure precise measurement. The product will instead the 2-wire working 4~20mADC output analogous signal.


Total accuracy±0.075%FS(min.)   ±0.15%FS(typ.)     ±0.25%FS(max.)
Compensated temp. (-10~80)ºC
Operation/storage temp.(-40~80)ºC
Power supply(10~28)VDC(RS485)/(12~30)VDC(HART)
Load(4~20)mADC output,(U-10V/12V)/0.02A(Ω)
RS485 bus line could connect with 99 transmitters
Electric connectionDIN43650  4-pin plug(RS485 socket inside)
7-pin plug(for RS485 interface output at local place)
Φ7.2mm shielding cable
ProtectionIP65(B1,B2)   IP63(B3)
Media compatibilityDiaphragm: SS 316L
Housing: SS 1Cr18Ni9Ti
O-ring: Viton

Outline Construction

Hart Petroleum Intelligent Pressure Sensor (MPM4730)
Order Information:

MPM4730Intelligent Pressure Transmitter
  RangePressure range: -0.10~0.01100MPa
,X=actual pressure range 
CodeOutput signal
R4RS485 communication interface
HHARTâ communication protocol
 CodeConstruction material
DiaphragmPressure portHousing 
24SS 316LSS 316LSS 316L
B14-spin Hirschmann plug connection
B2Cable connection, default cable length: 1.5m
B37-pin plug connection
PC1Flush diaphragm, M20×1.5 male
PC3Flush diaphragm, G1/2 male
C1M20×1.5 male, face type seal
C3G1/2 male
C4G1/4 female
C5M20×1.5 male, waterline seal 
SSealed gauge 
    iIntrinsic safe version ExiaIIBT6 Ga 
MPM4730  [0~100]kPa   ER4    22    B3C1G                 the whole spec
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