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ASB-W-030 30W High Stability Tungsten-Halogen Light Source

​​ASB-W-030 30W High Stability Tungsten-Halogen Light Source

 


- Provides optimal illumination to monochromators
- Offers excellent color temperature stability
- Features adjustable constant current power supply
- Contains focusable fused silica lens assembly
- Uses AF series for remote fiber optic illumination

 

 

The ASB-W-030 is a complete light source assembly with a tungsten-halogen lamp that emits in the 300 to 2600 nanometer (nm) wavelength region. It has been designed to transfer the maximum possible illumination from a tungsten-halogen lamp to Digikröm monochromators. The tungsten-halogen lamps of the ASB-W-030 are near blackbody sources of light with fused silica envelopes around the lamp filaments. Figure 1 shows blackbody spectral distributions at various color temperatures in Kelvin (K). The ASB-W-030 spectral distributions resemble those of Figure 1 out to about 2600nm, beyond which the transmission of the fused silica lamp envelope limits the output. In addition to the 30 Watt tungsten-halogen lamp (SP type ASB-W-030B), the ASB-W-030 features a housing for the lamp and an adjustable constant current power supply. The housing contains a focusable fused silica lens assembly selected for optimum coupling to the monochromator. The focus adjustment also allows for flexible mounting configurations for the ASB-W-030, with output focusing adjustable over a wide range of focal lengths. This also makes the ASB-W-030 an excellent light source for the illumination of samples. The 30 Watt tungsten-halogen lamp used in the ASB-W-030 has a nominal color temperature of 3100 K and an average life of 400 hours at this temperature. The color temperature of the lamp is directly proportional to the lamp current which may be varied ± 25% with a control knob on the power supply. Over this range, both illumination and average life will change by approximately ± 50%. The optics of the ASB-W-030, in combination with the 30 Watt lamp, provide maximum illumination for monochromators. Higher power lamps have larger filaments, but no greater brightness per unit area. A filament larger than the 30 Watt size would simply overfill the entrance slit.
The power supply provided with the ASB-W-030 is a DC current-regulated power supply. Current regulation optimizes color temperature stability.

Please click here to view the manual for this light source.

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Model

ASB-W-030

Lamp

Type: Tungsten-Halogen (TH)

Filament size: 1mm x 4mm

Power Input: 30W (nominal)

Light Output: 800lm (nominal)

Current: 2.75amp (nominal)

Color Temperature: 3100°K

Avg. Life: 400 hours (nominal)

Spectral Distribution: near blackbody

Mount

Adjustable Tapered flange

Post mounting for standalone operation

Housing

Air cooled with focusable fused silica doublet collection lens

f/1.9 collection and f/3.9 output

see here for lamp cross section

Power Input 115 VAC: 50 / 60Hz: 1 amp (standard)
220 VAC: 50 / 60Hz: 0.5 amp (optional)
Power Output

Type: Constant current DC

Range: 2.0amps to 3.5amps

Regulation: 0.05%

Warranty 1 year
Options

Spare lamp ASB-W-030B

AF series for remote fiber optic illumination

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