Technical Specifications
| Model |
FD-1840QE
|
FD-1840+
|
| Wavelength Range |
385-765nm
|
380-1000nm
|
| Measuring Aperture(s) |
1.0° standard, 0.5°, 1.5°, 2.0°, 2.9°, 4.4°, 7.3° lens options available
|
|
| Measuring Distance / Area |
150mm - Infinity / 2.61mm (with 1.0° lens)
|
|
| Eyepiece Field of View |
15° FOV (with 1.0° lens)
|
|
| Luminance Sensitivity / Accuracy (with 1° spot) |
0.02 cd/m2 / ±2% (for Illuminant A)
|
TBD
|
| Color Accuracy |
CIE 1931 x,y ±0.0015 (for Illuminant A)
|
|
| Measuring Capabilities |
Spectral Radiance, Luminance, Spectral Irradiance, Illuminance, Spectral Radiant Flux, Radiant Intensity, CCT, XYZ, L*a*b*, L*u*v*
|
|
| Spectrometer / Detector |
Ocean Optics QE65000 / Hamamatsu S7031-1006
|
Ocean Optics USB 2000+ / Sony ILX511
|
| Pixels |
1024 x 58
|
2048
|
| Optical Resolution |
0.92nm (FWHM)
|
1.33nm (FWHM)
|
| Signal-to-Noise Ratio |
1000:1 (at full signal)
|
250:1 (at full signal)
|
| A/D Resolution |
16 bit
|
|
| Dark Noise |
3 RMS counts
|
3.2 RMS counts
|
| Integration Time |
8 ms to 15 minutes
|
1 ms to 65 seconds
|
| Power Consumption |
3.5 A @ 5 VDC (with TE cooling)
|
90 mA @ 5 VDC
|
| Maximum Data Transfer Speed |
Full scans to memory every 7 ms with USB 2.0
|
Full scans to memory every 1 ms with USB 2.0
|
| Inputs/Outputs |
10 onboard digital user-programmable GPIOs
|
|
| Temperature & Thermoelectric (TE) Cooling |
Set in software from -15º C to 50.0º C (max 40º C below ambient). Stability of ±0.1 ºC reached in <2min.
|
N/A
|
| Operating Systems |
Windows, Mac OS X and Linux
|
|
| Standard Accessories |
Carrying case, USB-cable (2m), Data processing software, Optical Fiber (2m)
|
|
| Spectrometer Dimension / Weight |
182×110×47mm / 1148g
|
89×63×35mm / 224g
|
