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DH-3-CAL & DH-3plus-CAL Light Source Family

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The DH-3 and DH-3plus series of calibrated UV-Vis-NIR light sources can be used to calibrate the absolute spectral response of a spectrometer system. Using these new sources and Ocean Optics software, you can determine absolute intensity values — to a high degree of accuracy — at wavelengths from 210-2400 nm. The DH-3 and DH-3plus series light sources are specifically calibrated for use with a cosine corrector.

DH-3plus Series This series offers 3.7% – 7.5% uncertainty at region 210 – 1050 nm with the option to select an extended calibration to 2400 nm. These sources also feature an integrated shutter controlled by either TTL pulses or manually on the front of the instrument. The internal shutter blocks light completely from the sampling device, providing the most accurate dark measurements.

Balanced Calibration Sources The DH-3plus-BAL-CAL is the world’s only balanced deuterium halogen calibration source. A system of proprietary internal mirrors and filters eliminate the D-alpha, D-beta and Fulcher lines in the deuterium source This produces a “smoother” spectrum across the entire wavelength range and producing a more reliable calibration.

Item

Calibrated Wavelength Range

Balanced Spectral Output

Shutter

DH-3-CAL

210-1050 nm

No

No

DH-3-CAL-EXT

210-2400 nm

No

No

DH-3-BAL-CAL

230-1050 nm

Yes

No

DH-3-BAL-CAL-EXT

230-2400 nm

Yes

No

DH-3plus-CAL

210-1050 nm

No

Yes

DH-3plus-CAL-EXT

210-2400 nm

No

Yes

DH-3plus-BAL-CAL

230-1050 nm

Yes

Yes

DH-3plus-BAL-CAL-EXT

230-2400 nm

Yes

Yes

 

DH-3-DUV-BD Spare bulb for DH-3 and DH-3plus Series Light Sources—UV enhanced.