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TandD TR-74Ui Illuminance/UV Intensity/Temperature/Humidity Data Logger

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1 – 9$339.97
10 – 24$322.97
25 – 49$305.98
50 – 99$288.98
100 +$271.98
Provided: Each
32°F ~ 131°F / 0°C ~ 55°C 10 ~ 95%RH
Download Data via USB or Infrared Communication
Temperature Accuracy: ±0.5°C
Humidity ±5%RH [at 25°C 50%RH]

Free, Unlimited Cloud-Based WebStorage Service


Current Stock: 2

Notable Features

The TR-74Ui is a data logger designed to 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. From dim moonlight to the summer sun, Illuminance can be measured within a wide range.

The product is an all-in-one package that includes the data logger unit, sensors and software. We offer two types of packages with different temperature/humidity sensors depending on your required measurement range and accuracy needs.
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.

Not only can recorded data be easily downloaded to a PC via USB communication, but it can also be collected from data loggers via infra-red communication to our Data Collector
TR-57DCi (sold separately). The TR-57DCi enables the user to gather and check recorded data on the spot without having to manually gather the data loggers.
  • Part Number: TADREC053
  • Measurement Channel:
  • Temperature/Humidity Sensor Type:
    Polymer Resistance
  • Unit of Measurement:
    °C °F
  • Measurement Range:
    0 to 55°C
    10 to 95%RH
  • Measurement Accuracy:
    ±5%RH [at 25°C 50%RH]
  • Measurement Resolution:
  • Response Time (90%)
    Approx. 7 min.
  • Measurement Channel:
    UV Intensity
  • Illuminance/UV Intensity Sensor Type:
  • Unit of Measurement:
    lx Klx

  • Measurement Range:
    0 lx to 130 Klx
    0 to 30 mW/cm2
  • Measurement Accuracy:
    10 lx to 100 Klx: ±5% [at 25°C 50%RH]
    0.1 to 30 mW/cm2: ±5% [at 25°C 50%RH]
  • Measurement Resolution:
    Minimum of 0.01 lx
    Minimum of 0.001 mW/cm2
  • Response Time (90%)
    3 sec. (at recording interval of 1 sec.)
    6 sec. (at other intervals)
  • Logging Capacity:
    8000 data sets
  • Battery
    AA Alkaline battery
  • Dimensions: 55mm x 78mm x 18mm (2.2" x 3.1" x 0.71")
  • Selectable recording intervals from 1 second to 60 min
  • 6 Month Battery Life ( Depending on Sampling Rate ) 
  • TR-74UI Data Logger
  • USB Mini-B Cable US-15C,
  • Instruction Manual
  • 6 Month AA Battery ( depending on sampling rate)
  • Expert Technical Support

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