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    Thermistors

    121 Series

    Standard glass probe. -60 °C to 300 °C [-76 °F to 572 °F].

    Overview

    121 Series Thermistors are shock resistant, rugged, glass-encapsulated units that are often suited for immersion in fluid and convenient for mounting in air sensor assemblies. Also available in a mini glass probe configuration (120 Series).

    • Dissipation constant in still air: 1,0 mW/°C
    • Time constant in air: 22.0 s
    • Nominal resistance at [25 °F to 77 °F]: 2,000 Ohm, 5,000 Ohm, 10,000 Ohm, 50,000 Ohm, 100,000 Ohm, 1,000,000 Ohm
    • Maximum diameter: 2,54 mm [0.10 in]
    • Termination material: dumet
    • Lead length: 50,8 mm [2.00 in]
    Manuals and Guides
    Name
    Description
    File Size
    Date
    Size
    Temperature Sensors Line Guide
    application/pdf 293.8 KB
    7/16/2021
    293.8 KB
    Brochure
    Name
    Description
    File Size
    Date
    Size
    Industrial Applications: Going Beyond Limits
    application/pdf 16.69 MB
    11/17/2022
    16.69 MB
    Application Note
    Name
    Description
    File Size
    Date
    Size
    Construction Vehicles -
    application/pdf 984.29 KB
    12/20/2022
    984.29 KB
    Agricultural Vehicles
    application/pdf 1.11 MB
    4/11/2024
    1.11 MB
    Solutions for Molecular Diagnostics
    application/pdf 2.61 MB
    6/12/2023
    2.61 MB
    Solutions for Hematology Analyzers
    application/pdf 2.26 MB
    6/12/2023
    2.26 MB
    Name
    Description
    File Size
    Date
    Size
    Construction Vehicles -
    application/pdf 984.29 KB
    12/20/2022
    984.29 KB
    Industrial Applications: Going Beyond Limits
    application/pdf 16.69 MB
    11/17/2022
    16.69 MB
    Agricultural Vehicles
    application/pdf 1.11 MB
    4/11/2024
    1.11 MB
    Temperature Sensors Line Guide
    application/pdf 293.8 KB
    7/16/2021
    293.8 KB
    Solutions for Molecular Diagnostics
    application/pdf 2.61 MB
    6/12/2023
    2.61 MB
    Solutions for Hematology Analyzers
    application/pdf 2.26 MB
    6/12/2023
    2.26 MB
    Name
    Description
    File Size
    Date
    Size
    Temperature Sensors Line Guide
    293.8 KB
    7/16/2021
    Industrial Applications: Going Beyond Limits
    16.69 MB
    11/17/2022
    Construction Vehicles -
    984.29 KB
    12/20/2022
    Agricultural Vehicles
    1.11 MB
    4/11/2024
    Solutions for Molecular Diagnostics
    2.61 MB
    6/12/2023
    Solutions for Hematology Analyzers
    2.26 MB
    6/12/2023
    Product Number
    Part Number
    Description
    Leaf Category
    Thumbnail
    Add to list
    1228-5K
    1228-5K,1AD,2U,6AC,15C:MODEL 1228, 5,
    https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-honeywell-sensing-thermistors-121-series-ciid-161228
    1228-5K
    1228-5K,1AD,2U,6AC,15C:MODEL 1228, 5,
    https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-honeywell-sensing-thermistors-121-series-ciid-161228