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MRB28

General Purpose Piezo-resistive Digital Pressure Transmitter

MRB28 series with SS316L diaphragm is a rugged silicon Piezo-resistive technology based pressure transmitter suitable for harsh environments. This compact pressure transmitter offers great flexibility and reliability for a wide range of applications with highly competitive pricing. MRB28 is available in pressure ranges from -1 to 0bar and 0 to 1000bar with an output signal of 4-20mA. It is suitable for pressure measurement of liquids compatible with stainless steel. While the standard Precision is 0.5% FS, you can optionally get a precision of 0.25% FS and 0.1% FS. The robust construction with its high performance makes it ideal for demanding long term applications.

MRB28

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MRB28 series with SS316L diaphragm is a rugged silicon Piezo-resistive technology based pressure transmitter suitable for harsh environments. This compact pressure transmitter offers great flexibility and reliability for a wide range of applications with highly competitive pricing. MRB28 is available in pressure ranges from -1 to 0bar and 0 to 1000bar with an output signal of 4-20mA. It is suitable for pressure measurement of liquids compatible with stainless steel. While the standard Precision is 0.5% FS, you can optionally get a precision of 0.25% FS and 0.1% FS. The robust construction with its high performance makes it ideal for demanding long term applications.

Product Tags

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Technology Piezo resistive
Type Digital Pressure sensor
Standard Measurement Range (bar) [-1/0], 0.2, 0.5, 1, 2, 5, 10, 20, 50, 100, 200, 400, 600, 800, 1000
Purpose and Application General Purpose, Corrosive Media, High Accuracy, High Pressure Range
Accuracy (combined LRH) 0.1% FS, 0.25% FS, 0.5% FS
Output Signal HART, MODBUS
Pressure Reference Abs.: Absolute (0 at vacuum), SG: Sealed Gauge (0 at 1bar), VG: Vented Gauge (0 at atmospheric pressure)
Process Connection G1/4(¼" BSPP male), G1/2(½" BSPP male), R1/4(¼" BSPT male) , NPT1/4(¼" NPT male) , M20x1.5
Electric Connection 3m cable, DIN 43650 connector, Others
Protection Level IP65, IP67, IP68 (with cable connection)
Overload Rating 150%
Long Term Stability <0.2% FS/year
Diaphragm Material Stainless Steel 316L
Compensated Temp. Range 0 to 70°C
Operating Temp. Range -30 to +80°C
Temp. Coefficient of Zero 0.02% FS /°C
Temp. Coefficient of Span 0.02% FS /°C
Input Resistance No
Output Resistance No
Insulation resistance 100MΩ @ 50VDC
Zero offset No
  • High Measuring Accuracy
  • Digital output (HART or MODBUS protocols)
  • Pressure Measurement Range of -1 to 1000bar
  • Compact and Rugged Model
  • Wide Range of Media Compatibility
  • Low Static and Thermal Errors
  • Reverse Polarity and Transient Current Protected
  • Research activities
  • Production machinery
  • Data logging Machine tool control
  • Air conditioning
  • Agricultural equipment
  • Open cut mining
  • Hydrostatic level control
  • Hydraulic pumps
  • Compressed air line