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Hydrostatic Level Sensor

Introduction

The RB21W represents a fully sealed submersible level transmitter, featuring the integration of a highly stable and reliable piezo-resistive pressure sensor enclosed within a durable stainless-steel housing. This integrated design, coupled with standardized signal output, offers users a straightforward and convenient solution for their on-site applications. The specialized cable, securely connected to the housing, allows for prolonged immersion in various media.

The RB21W level transmitter boasts a compact and lightweight design, delivering exceptional stability. Its versatility makes it suitable for liquid level measurement and control across a range of industries, including fuel, metallurgy, hydropower stations, mining, city water supply, and well and drainage systems, among others.

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Main Features

  • Weldedconstruction, excellent reliability and stability
  • IP68 housing
  • Molecular filter at the end of Air vent tube
  • Wide measuring range upto 200 meterH20

Applications

  • Liquid height measurement in tank
  • Bore well level measuring
  • Continues level monitoring of liquid

Technical Specifications

Performance Characteristics
Measuring Range 0...1∼0...200mH 2O
Over pressure 2 times FS
Accuracy 0.5% FS
Long term stability <0.3 % FSR/year
Response time <5 ms
Compensated temperature range -10 ... 55°C
Process temperature -30 ... 80°C
Process pressure Refer measuring range for Process pressure
Material of Construction
Diaphragm SS316L
Housing SS304
Sealing Viton
Cable 7.5mm Polyurethane
Output Signal
Current output 4 ... 20 mA, 2-wire
Voltage output 0~5VDC
0~10VDC
0.5~4.5VDC
Electrical Connection
Cable As per measuring range/
ordering code
Power Supply
Voltage supply range 11 ... 30V DC, with 4 ... 20 mA output signal
15 ... 30V DC, with 0 ... 1 0V output signal
5V DC ratiometric ... with 0.5 ... 4.5V output signal

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