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TR-74Ui Illuminance UV Recorder

    TR-74Ui Illuminance UV Recorder

    Manufacturer: TandD Corporation

    This product is discontinued.


    Quantities limited to stock on hand.

    The "TR-74Ui Illuminance UV Recorder" can simultaneously measure and record four items: Illuminance, Ultraviolet Light (UV), Temperature and Humidity. In addition to these, the TR-74Ui is also capable of displaying Cumulative Illuminance and Cumulative Amount of Ultraviolet Light in the LCD display.

    The product is an all-in-one package that includes the data logger unit, sensor and software. Simply by connecting to a PC via a USB connection and carrying out a few easy steps, the measurement and recording of data can be started.




    • With just one unit it is possible to measure and record Illuminance, Ultraviolet Light, Temperature and Humidity.
    • Possible to view Cumulative Illuminance and Cumulative Amount of Ultraviolet Light in the LCD display
    • Illuminance can be measured within a wide range (from dim moonlight to the summer sun)
    • View and record Illuminance in resolutions to 0.01 lx.
    • Possible to measure and record up to 8,000 readings per measurement item.
    • Simultaneously view all four measurement items in one easy-to -read Graph.
    • Transmit recorded data to PC via USB connection.

    Application Examples

    • In art museums and other exhibit forums to manage illuminosity and help prevent deterioration of exhibits
    • Management during all aspects of plant and food production
    • For use in the development, testing, manufacture and sales of products for cutting UV rays
    • UV reduction management in schools from kindergartens to universities
    • For home and office use in the management or illuminosity and UV rays
    • For managing the reduction of UV rays at swimming pools, the ocean, mountains and in parks.
    • For management and adjustment of illuminosity for photography and film
    • For management in the production, storage and sales of foodstuffs and beverages
    • For use at supermarkets, convenience stores and drugstores in UV product sales promotion materials


    Measurement Items Temperature Humidity Illuminance Ultraviolet Light
    Number of Channels 1 Ch. 1 Ch. 1 Ch. 1 Ch.
    Measurement Range (*1) 0 to 55°C 10 to 95%RH 0 to 130,000 lx 0 to 30 mW / cm2
    Measuring Accuracy +/-0.3°C +/-5%(*2) 10 to 100,000lx(*2) +/-5%(*2)
    Measurement / Display Resolution 0.1°C 1%RH Minimum: 0.01lx Minimum: 0.001mW / cm2
    Sensor Thermistor Macromolecular Humidity Sensor n/a n/a
    Display Range of Cumulative Measurement n/a n/a 0 to 90,000,000 lxh 6260W / cm2-h
    Relative Spectral Response n/a n/a (*4) 260 to 400nm
    Cosine Correction (cos¦È) n/a n/a (*5) n/a
    Recording Interval Total of 15 choices: 1,2,5,10,15,20,30 seconds,
    1,2,5,10,15,20,30,60, minutes
    Recording Capacity 8000 Readings x 4 channels
    Recording Modes Endless (Overwrite oldest data when capacity is full)
    One-time (Stop recording when capacity is full)
    Power Source AA Alkaline Battery x 1
    Battery Life (*3) about 6 months
    Interface USB Communication
    Weight About 62 g (including one AA battery)
    Operating Environment Temperature: -10 to 60°C
    Humidity: 90% RH or less (no condensation)
    Attached Sensors THA-3151: Humidity Sensor x 1
    ISA-3151: Illuminance and UV Sensor x 1
    Accessories included in package AA Alkaline Battery (LR6) x 1
    USB Communication Cable (US-15C) x 1
    Introductory Manual (Warranty) x 1
    Software Set x 1
    *1) when using supplied sensor
    *2) when at 25°C and 50%RH
    *3) Battery life varies depending upon the type of battery, the measuring environment, the frequency of communication, and the ambient temperature in which it is used.
    *4) Approximated to the CIE standard response function V (¦Ë)
    *5) Within +/-1.5% at 10°; Within +/-3%
    at 30°; Within +/-10% at 60°;
    Within +/-30% at 80°

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