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Direct-Attach Fiber-Optic Attenuator
When light intensity must be reduced, the direct-attached attenuator is a great choice with your AvaLight series light sources. The attenuator helps in situations where detector saturation is an issue. It is attached to the light source and has a SMA connector to couple to other measurement devices and your spectrometer.
The attenuation can be set from 0-100%, which can be fixed with a set screws. It is supplied with a UV/VIS/NIR collimating lens.
The ATT-DA series attenuators come in two versions: the ATT-DA, meant to be used with the AvaLight-DHc, the AvaLight-XE, and the ATT-DA-HAL-Mini, meant to be used with an AvaLight-HAL-S-Mini light source.
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Direct-Attach Fiber-Optic Attenuator
Features
Specifications
| Wavelength range | 200-2500 nm |
| Fiber connection | SMA-905 connector |
| Spectrometer connection | SMA-905 connector (female) |
| Shutter frequency | Max. 5 Hz |
| Shutter delay | 15 ms |
| Attenuation/amplification | +1.1 dB (AvaSpec HSC/HERO), -1.5 dB (AvaSpec HSC/NIR)*, +0.6 dB (AvaSpec-ULS/Mini) |
| Material | Black anodized aluminum |
| Dimensions (DxH) | 30 x 38 mm |
| Dimensions control box (HxLxW) | 28 x 58 x 45 mm |
| Power | 12 VDC/500 mA |
| Lifetime shutter | 5,000,000 cycles (typical) |
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