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MRL21

Submersible Level Transmitter

MRL21 series with SS316L or Tantalum diaphragm is a rugged silicon technology based pressure transmitter suitable for harsh environments. This compact pressure transmitter offers great flexibility and reliability for a wide range of applications like pressure sewage systems with highly competitive pricing. MRL21 is available in pressure ranges from 0m H2O to 200m H2O with an output of mA or V. It is suitable for level measurement of 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. The robust construction and IP68 protection level of MRL21 with its high performance make it ideal for demanding long term applications. MRL21 with a separate amplifier makes the measuring head small enough (diameter less than 17mm) for limited space conditions.

MRL21

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MRL21 series with SS316L or Tantalum diaphragm is a rugged silicon technology based pressure transmitter suitable for harsh environments. This compact pressure transmitter offers great flexibility and reliability for a wide range of applications like pressure sewage systems with highly competitive pricing. MRL21 is available in pressure ranges from 0m H2O to 200m H2O with an output of mA or V. It is suitable for level measurement of 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. The robust construction and IP68 protection level of MRL21 with its high performance make it ideal for demanding long term applications. MRL21 with a separate amplifier makes the measuring head small enough (diameter less than 17mm) for limited space conditions.

Product Tags

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Technology Piezo resistive
Type Submersible Level Sensor
Standard Measurement Range (bar) 0.01, 0.2, 1, 2, 5, 10, 25, 50, 100, 200
Purpose and Application General Purpose
Accuracy (combined LRH) 0.1% FS, 0.25% FS, 0.5% FS
Output Signal 4-20mA, 0-5VDC, 0-10VDC, 1-5VDC, ~ 70mV
Pressure Reference SG: Sealed Gauge (0 at 1bar), VG: Vented Gauge (0 at atmospheric pressure)
Process Connection Others
Electric Connection 5m cable
Protection Level IP68
Overload Rating 200%
Long Term Stability <0.1% FS/year
Diaphragm Material Stainless Steel 316L, Hastelloy, Tantalum
Compensated Temp. Range 0 to 70°C
Operating Temp. Range -10 to +80°C
Temp. Coefficient of Zero 0.025% FS /°C
Temp. Coefficient of Span 0.02% FS /°C
Input Resistance N/A
Output Resistance N/A
Insulation resistance 100MΩ @ 50VDC
Zero offset ≤ ±2mV
  • High Measuring Accuracy
  • Measurement Range of 1m H2O to 200m H2O
  • Rugged Model with IP68 Protection
  • Wide Range of Media Compatibility
  • Low Static and Thermal Errors
  • Reverse Polarity And Transient Current Protected
  • Process industries
  • Sewage lift stations
  • Data logging
  • Level measurement of liquids in tanks/dams
  • Irrigation and other agricultural applications
  • Hydrostatic level control
  • Wastewater channels
  • Pressure sewage unit