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Incorporating a highly stable media-isolated sensor, the KPSI 380 features a SDI-12 or RS-485 Communication Interface option.  SDI-12 is a standard for interfacing data recorders with microprocessorbased sensors, especially in the environmental monitoring field. It is an excellent solution for applications that require minimal current drain. This Nickel RTD, highly stable temperature transducer consists of a welded 316 Stainless Steel body construction with custom polyurethane cable lengths and optional lifetime lightning protection. The KPSI 380 calibration is traceable to the National Institute of Standards and Technology (NIST).


  • SDI-12 Submersible Temperature Transducer
  • Accuracy of ≤ 0.1ºC
  • Nickel RTD
  • Highly Stable
  • Optional Lightning Protection Available
  •  Custom Polyurethane Cable Lengths
  • Welded 316SS Body Construction


  • Stream Gauging
  • Surface Water Monitoring
  • Aquifer Characterization and Groundwater
  • Monitoring
  • Storm Water
  • Dam Operations
  • Thermo Electric Water Discharge
  • Aquaculture and Egg Hatcheries  


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

Product Type Features

  • Sensor Type  Digital Submersible Temperature Sensors

  • Type  Temperature

Configuration Features

  • Electrical Connection  Overmold Cable Seal

Electrical Characteristics

  • Supply Voltage (V) 6 – 28

Body Features

  • Port Material  316 SS, Polyoxymethylene, Polyurethane


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

  • Accuracy  ≤ .1°C

  • Operating Temperature  -20 – 60 °C [ -4 – 140 °F ]

Related Materials

Datasheets & Catalog Pages

Product Specifications

Manuals & User Guides

Agency Approvals

Agency Approval Document

Terms and Conditions

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