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Designed to deliver time and time again in even the harshest conditions, the TruBlue 255 Level is battery powered and features welded 316 stainless steel or titanium construction in a fully sealed design. Advanced, powerconserving microcomputer technology enables it to log level (depth) and temperature for up to ten years. Since these units do not require onsite power or a programmable logic controller (PLC), a terminal box isn’t necessary. The TruBlue 255 Level is the perfect choice for water level monitoring when reliability, accuracy and precision are needed in a compact, competitively priced design


  • Calibration Report with each instrument
  • New compact fully sealed design
  • Two Year Warranty
  • Easy set-up and data retrieval
  • High speed data extraction
  • Optional 56 MB internal memory
  • Optional battery pack for rapid sampling 


  • Aquifer Characterization, Slug and Pump Tests
  • Gage Height, River, Stream and Stage Gauging
  • Tide and Harbor Gauging
  • Flood and Storm Surge Measurement
  • Wetlands and Stormwater Run-off Management
  • Watershed and Recharge Monitoring
  • Wave Studies and Rapid Sampling  


Please review product documents or contact us for the latest agency approval information.  

Product Type Features

  • Sensor Type  Water Level Data Logger

  • Type  Absolute

Configuration Features

  • Pressure Port/Fitting  Ported

  • Electrical Connection  Internal Battery

Electrical Characteristics

  • Supply Voltage (V) 3.6 Internal Lithium Battery

Body Features

  • Port Material  316 SS, Titanium


  • Pressure Range  0 – 22 to 300 psi

  • Output/Span  RS-485 with SDI-12 Protocol, SDI-12

  • Accuracy  ± .05% TEB

  • Operating Temperature  0 – 50 °C [ 32 – 122 °F ]

  • Overpressure  3X FS (600 psi Max)


  • Options  Extended Auxillary Battery

Related Materials

Datasheets & Catalog Pages

Product Specifications

Manuals & User Guides

Agency Approvals

Agency Approval Document

Terms and Conditions

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This information has been provided to your free of charge for your use but remains the sole property of TE Connectivity Corporation (''TE'') or SnapEDA,  Inc. or Ultra Librarian/EMA Design Automation, Inc. (collectively, "Company"). While Company has used reasonable efforts to ensure its accuracy, Company does not guarantee that it is error-free, not makes any other representation, warranty, or guarantee that the information is completely accurate or up-to-date. In many cases, the CAD data has been simplified to remove proprietary detail while maintaining critical interface geometric detail for use by customers. Company expressly disclaims all implied warranties regarding this information, including but not limited to any implied warranties or merchantability or fitness for a particular purpose.