Specification items |
Specification value |
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UD-T25T2 |
UD-T36T2 |
UD-T40T2 |
|
Light receiving element |
Silicon photodiode |
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Light receiving window diameter |
φ5mm |
φ3mm |
φ3mm |
Measurement wavelength range |
230-280nm |
300-390nm |
350-490nm |
Peak sensitivity wavelength |
About 255nm |
About 355nm |
About 410nm |
Illuminance measurement range |
Range-1: 0.01 to 30.0 |
Range-1: 0.01 to 60.0 |
Range-1: 0.01 to 30.0 |
Integrated light intensity measurement range |
Range-1: 0.01-999.99 |
Range-1: 0.01-999.99 |
Range-1: 0.01-999.99 |
Irradiance with analog output of 1 mV |
Range-1: 0.015 |
Range-1: 0.03 |
Range-1: 0.015 |
Data sampling |
ت Sampling time 50Hz: 10ms, 60Hz: 8.33ms ت |
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Oblique incident light characteristics |
30 °: within ± 5%, 60 °: within ± 25% |
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Calibration accuracy * 1 |
Within ± 2% |
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Linearity * 2 |
Within ± 3% |
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Analog signal output |
0-2V max. Common to all ranges |
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interface |
USB2.0 (USB A Connector-USB Micro B Connector) |
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Power supply |
AAA batteries x 3 (commercially available) / USB bus power |
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terms of use |
Temperature: 10-60 ° C / Humidity: 85% RH or less (no condensation) |
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External dimensions (W x D x H) * 3 |
75 x 201 x 16 mm |
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Mass * 3 * 4 |
320g |