TR-74Ui Light/Humidity/Temperature Data Logger
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Product Overview
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The TR-74Ui Illuminance UV Recorder can simultaneously measure and record 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. By simply connecting to a PC via a USB connection and carrying out a few easy steps, the measurement and recording of data can be started.
| Measurement Items | Temperature | Humidity | Illuminance | Ultraviolet Light |
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| 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 |
| 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 (cosθ) | 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 |
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| 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) |
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| Power Source | AA Alkaline Battery x 1 | |||
| Battery Life (*3) | about 6 months |
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| 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) |
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| Attached Sensors | THA-3151: Humidity Sensor x 1 ISA-3151: Illuminance and UV Sensor x 1 |
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| 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 |
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| *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 (λ) *5) Within ±1.5% at 10°; Within ±3% at 30°; Within ±10% at 60°; Within ±30% at 80° |
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