Catalog excerpts

AvaLight-HAL-S-MINI - 1

AvaLight-HAL-S-MINI Tungsten-Halogen Light Source AvaLight-HAL-S-MINI From visible light to near infrared, that’s where the AvaLight-HAL-S-Mini works best. The AvaLight-HAL-S-Mini is a compact, stabilized halogen light source, with adjustable focusing of the fiber connection, maximizing output power at the desired wavelength. This versatile light source also has adjustable output power to provide extra power or longer bulb life. A filter-slot mounted on the front of the AvaLight-HAL-S-Mini accepts 1” round or 2” x 2” square filters, to block specific ranges of wavelengths or instantly lower the intensity. The adjustable focus on the AvaLight-HAL-SMini helps you get the most out of your light source: it makes sure all possible power is transmitted through your optical fiber. Bulb replacement is easy and can be done in a matter of minutes. The AvaLight-HAL-S-Mini features an internal TTL-shutter, controllable from your AvaSpec spectrometer. This gives you the ability to use the auto-save dark option in our AvaSoft spectroscopy software. Update 2020: We have replaced the bulb of the AvaLightHAL-S-Mini because of the discontinuation of our previous halogen bulb. The new light bulb has been especially developed to be as close to the previous version as possible. The AvaLight-HAL-S-Mini’s appearance and performance are not affected by this change, so any previously installed bases can still be used, even if the light bulb needs replacement. The optical output can be controlled through a dongle at the backside or from your spectrometer. Light Sources Optionally a combined direct-attach cuvette holder and attenuator is available (CUV-ATTDA-HAL). for attenuation you can use the in-line filter holder, FH-INLINE or the in-line attenuator, ATT-INL. At the lowest setting, the light bulb has a color temperature of 2647K, but provides a significantly longer lifetime. The standard or medium setting changes the color temperature to 2759K and provides ±30% more power with a bulb lifetime of 4000 hours. The high power setting gives a color temperature of 2879K, about 70% more power compared to the long-life setting with a reduced lifetime of the bulb. Figure 9 Spectral output of AvaLight-HAL-Mini

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AvaLight-HAL-S-MINI - 2

Technical Data AvaLight-HAL-S-Mini (standard) AvaLight-HAL-S-Mini (long life) 360-2500 nm Wavelength Range Time to stabilize Output to bulb AvaLight-HAL-S-Mini (high power) Min. Optical power* 200 µm fiber Min. Optical power* 600 µm fiber Min. Optical power* 1000 µm fiber Bulb Color Temperature Power requirement Temperature range Dimensions, weight Lifetime shutter * Optical power measured from 350-1100 nm Separate 50 x 50 x 3 mm long-pass filter > 305 nm Separate 50 x 50 x 3 mm band-pass filter, transparent > 325 nm and < 700 nm Separate 50 x 50 x 3 mm band-pass filter, transparent > 360...

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