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Spectra USB Sensors
Spectra USB Sensors:
Universal LightProbe Spectra USB Sensors test a wide range of LED intensities and
any colour in the visual spectrum, plus white, providing a linear response with a
serial digital output via a PC.
Characteristics
- A standard mini-type B five-pin USB connector is integrated into the
Spectra USB Sensor, and a standard USB Cable is provided
- Typical response time: < 250mS for colour and intensity as a serial
bit-stream (19200 baud rate)
Color and White Response
-Test any colour wavelength, from 400-700nm & white
- Provides serial-digital output of LED colour
- “w” = color wavelength in tenths of nanometers
- Or, for white, “w” = a value that corresponds to CCT
(see Application Note 39)
- Display/print-out the linear response with Tera Term software
(included with purchase) See AN46 for details on LabView VISA
- Colour output is independent of LED intensity
- Unique streaming technology enables LED colour wavelength
(and intensity) to be rapidly and simultaneously accessed by a
PC and displayed/printed-out
- Reduces test time and provides continuous automatic data
logging for statistical process control (SPC).
- Multiport display is available
Intensity Response
- Provides serial digital output for LED intensity
- “i” = intensity, from 0 to 65,0000
- Output corresponds to LED luminous intensity in milli
candelas,
as seen in most
LED manufacturers’
specifications
-
C.I.E. photopic-curve-corrected
- Tests LEDs from 0.03mcd to 18,300mcd; up to 293,000mcd
with the Spectra USB Very-Low Sensitivity Sensor
- Read-out of 4 indicates under-ranging - LED is too dim
- Read-out > over 65,000 indicates over-ranging - LED
too bright; Spectra USB Low-Sensitivity Sensors available
- Intensity response depends on size of LED, the aperture of
the fiber-optic probe and the distance between the probe
tip and the LED emitter; for more information on Sensor
Sensitivity Responses in millicandelas, please see AN 35
- Available in Low and Very-Low Sensitivity models for the
test of extremely bright LEDs
Universal LightProbe Spectra USB Sensors test a wide range of LED intensities and
any colour in the visual spectrum, plus white, providing a linear response with a
serial digital output via a PC.
Characteristics
- A standard mini-type B five-pin USB connector is integrated into the
Spectra USB Sensor, and a standard USB Cable is provided
- Typical response time: < 250mS for colour and intensity as a serial
bit-stream (19200 baud rate)
Color and White Response
-Test any colour wavelength, from 400-700nm & white
- Provides serial-digital output of LED colour
- “w” = color wavelength in tenths of nanometers
- Or, for white, “w” = a value that corresponds to CCT
(see Application Note 39)
- Display/print-out the linear response with Tera Term software
(included with purchase) See AN46 for details on LabView VISA
- Colour output is independent of LED intensity
- Unique streaming technology enables LED colour wavelength
(and intensity) to be rapidly and simultaneously accessed by a
PC and displayed/printed-out
- Reduces test time and provides continuous automatic data
logging for statistical process control (SPC).
- Multiport display is available
Intensity Response
- Provides serial digital output for LED intensity
- “i” = intensity, from 0 to 65,0000
- Output corresponds to LED luminous intensity in milli
candelas,
as seen in most
LED manufacturers’
specifications
-
C.I.E. photopic-curve-corrected
- Tests LEDs from 0.03mcd to 18,300mcd; up to 293,000mcd
with the Spectra USB Very-Low Sensitivity Sensor
- Read-out of 4 indicates under-ranging - LED is too dim
- Read-out > over 65,000 indicates over-ranging - LED
too bright; Spectra USB Low-Sensitivity Sensors available
- Intensity response depends on size of LED, the aperture of
the fiber-optic probe and the distance between the probe
tip and the LED emitter; for more information on Sensor
Sensitivity Responses in millicandelas, please see AN 35
- Available in Low and Very-Low Sensitivity models for the
test of extremely bright LEDs