| Spectrometer Platform
| AvaSpec-256 |
AvaSpec-256-USB2 |
| Optical Bench
| Symmetrical
Czerny-Turner, 45 mm focal length |
| Wavelength range |
200-1100nm |
| Resolution |
0.4
~ 64 nm, depending on configuration (see table) |
| Stray light |
<
0.2% |
Sensitivity
(AvaLight-HAL, 8 µm fiber) |
30 counts/µW(14-bit AD)
per ms integration time |
120 counts/µW(16-bit AD)
per ms integration time |
| Detector |
Hamamatsu CMOS linear
array, 256 pixels |
| Signal/Noise |
2000:1 |
| AD converter |
14
bit, 330 kHz |
16
bit, 500 kHz |
| Integration time
|
2msec – 60
sec |
0.6 msec - 10
minutes |
| Interface |
USB
version 1.1, 12 Mbps
RS-232,115.200 bps |
USB
version 2.0, 480 Mbps
RS-232,115.200 bps |
Samplespeed
with on-board averaging |
4 msec / scan |
0.6 msec / scan |
| Data transfer speed
|
7-9ms
/ scan (depending on # pixels transferred) |
1.5
msec / scan |
| Digital IO |
DB-15 connector,
2 Digital in, 12 Digital out |
HD-26 connector,
2 Analog in, 2 Analog out, 3 Digital in, 12 Digital
out, trigger, sync. |
| Power supply |
12VDC,
reverse polarity protection,160 mA (PS-12V/1.0A)
or 5VDC USB power |
Default
USB power, 440mA.
Or with SPU2 external 12VDC, 440 mA |
| Dimensions, weight
|
175 x 110 x 44
mm (1 ch), 716 gr.
175 x 165 x 85 mm (2 ch), 1700 gr. |
175 x 110 x 44
mm(1 ch), 716 grams |
