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MRB21

Low Power Pressure Transmitter
with 3 to 20 VDC Supply Voltage

MRB21 series with the SS316L diaphragm is a rugged silicon technology based pressure transmitter suitable for harsh environments. This compact pressure transmitter offers great flexibility and reliability with highly competitive pricing. The 3 to 20VDC input voltage enables the transmitters to be used in portable applications such as agricultural machinery and automotive testing. It finds a wide range of applications due to its compatibility with different data loggers.
MRB21 is available in pressure ranges from -1 to 600bar with an output of VDC. It is suitable for pressure measurement of gases & liquids compatible with SS316L. Options for Titanium, Hastelloy or Tantalum diaphragm are available on request. 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 of MRB21 with its high performance makes it ideal for demanding long-term applications.

MRB21

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MRB21 series with the SS316L diaphragm is a rugged silicon technology based pressure transmitter suitable for harsh environments. This compact pressure transmitter offers great flexibility and reliability with highly competitive pricing. The 3 to 20VDC input voltage enables the transmitters to be used in portable applications such as agricultural machinery and automotive testing. It finds a wide range of applications due to its compatibility with different data loggers. MRB21 is available in pressure ranges from -1 to 600bar with an output of VDC. It is suitable for pressure measurement of gases & liquids compatible with SS316L. Options for Titanium, Hastelloy or Tantalum diaphragm are available on request. 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 of MRB21 with its high performance makes it ideal for demanding long-term applications.

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Technology Piezo resistive
Type Pressure Transmitter
Standard Measurement Range (bar) [-1/0], 0.5, 1, 2, 5, 10, 20, 35, 50, 100, 200, 400, 600, Other non standard range
Purpose and Application General Purpose, Corrosive Media, High Accuracy, Low voltage Excitation
Accuracy (combined LRH) 0.1% FS, 0.25% FS, 0.5% FS
Output Signal 0-2.5V
Pressure Reference Absolute (0 at vacuum), Sealed Gauge (0 at 1bar), 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) , Others
Electric Connection 3m cable, DIN 43650 connector, Others
Protection Level IP67, IP68 (with cable connection)
Overload Rating 150%
Long Term Stability <0.2% FS/year
Diaphragm Material Stainless Steel 316L, Hastelloy, Titanium, Tantalum
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
  • Pressure Measurement Range of -1 to 600bar
  • Compact and Rugged Model
  • Wide Range of Media Compatibility
  • Low Static and Thermal Errors
  • Reverse polarity and transient current protected
  • Production machinery
  • Compressed air line
  • Data logging
  • Air conditioning
  • Machine tool control
  • Agricultural equipment
  • Hydrology research
  • Open cut mining
  • Hydrostatic level control
  • Hydraulic pumps