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    MRB21

    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.
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    • Technical Specification
    • Features
    • Applications
    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 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) , Others
    Electric Connection 3m cable, DIN 43650 connector, Others
    Protection Level IP67, IP68, 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
    • Power consumption of 1mA
    • Production machinery
    • Compressed air line
    • Data logging
    • Air conditioning
    • Machine tool control
    • Agricultural equipment
    • Hydrology research
    • Open cut mining
    • Hydrostatic level control
    • Hydraulic pumps

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