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MRD21

Differential Piezo-Resistive Pressure Transmitter

MRD21 series with SS316L diaphragm is a rugged silicon MEMS technology based differential pressure transmitter suitable for harsh environments. This compact differential pressure transmitter offers great flexibility and reliability for a wide range of applications with highly competitive pricing.
MRD21 is available in pressure ranges from 0.1 to 35bar with an output of mA or V. It is suitable for pressure measurement of gases & liquids compatible with SS316L. While the standard Precision is
0.5% FS, you can optionally get a precision of 0.25% FS and 0.1% FS. It finds applications in hydraulic and pneumatic systems among many others.
The robust construction of MRD21 with its high performance makes it ideal for demanding long term applications.

MRD21

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MRD21 series with SS316L diaphragm is a rugged silicon MEMS technology based differential pressure transmitter suitable for harsh environments. This compact differential pressure transmitter offers great flexibility and reliability for a wide range of applications with highly competitive pricing. MRD21 is available in pressure ranges from 0.1 to 35bar with an output of mA or V. It is suitable for pressure measurement of gases & liquids compatible with SS316L. While the standard Precision is 0.5% FS, you can optionally get a precision of 0.25% FS and 0.1% FS. It finds applications in hydraulic and pneumatic systems among many others. The robust construction of MRD21 with its high performance makes it ideal for demanding long term applications.

Product Tags

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Technology Piezo resistive
Type Differential Pressure Sensor
Standard Measurement Range (bar) 0.1, 0.2, 0.5, 1, 5, 10, 20, 35
Purpose and Application General Purpose
Accuracy (combined LRH) 0.05% FS, 0.1% FS, 0.25% FS
Output Signal 4-20mA, 0-5VDC, 0-10VDC, 1-5VDC
Pressure Reference Dif.: Differential
Process Connection G1/4(¼" BSPP male), R1/4(¼" BSPT male) , NPT1/4(¼" NPT male) , Others
Electric Connection 3m cable, DIN 43650 connector, Others
Protection Level IP65, IP68 (with cable connection)
Overload Rating 200%
Long Term Stability <0.2% FS/year
Diaphragm Material Stainless Steel 316L, Other
Compensated Temp. Range 0 to 70°C
Operating Temp. Range -20 to +80°C
Temp. Coefficient of Zero 0.03% FS /°C
Temp. Coefficient of Span 0.03% FS /°C
Input Resistance N/A
Output Resistance N/A
Insulation resistance 100MΩ @ 50VDC
Zero offset No
  • High Measuring Accuracy
  • Differential Pressure Measurement
  • Range of 0.1 to 35bar
  • Compact and Rugged Model
  • Wide Range of Media Compatibility
  • Low Static and Thermal Errors
  • Hydraulic systems
  • Pump controls
  • Pneumatic systems
  • Manufacturing process controls
  • Fire control systems
  • Manufacturing automation
  • Hydrology research
  • Hydro balancing systems