HL-3P-CAL Family


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The HL-3plus family of calibrated Vis-NIR light sources can be used to calibrate the absolute spectral response of a spectrometer system. By using these new sources and Ocean Optics software, you can determine absolute intensity values — to a high degree of accuracy — at wavelengths from 350-2400 nm.

HL-3P Series

This series offers an industry-leading 3.8% uncertainty at 800 nm and a calibration over the range of 350-1100 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.

Integrating Sphere Calibration Source

The HL-3P-INT-CAL model provides direct attachment and calibration with an integrating sphere with minimum port diameter of 6 mm (INT types).  The INT-CAL models have a diffuser attached to the light source to be used with an integrating sphere. Simply place the INT-CAL light source at the entrance aperture of the integrating sphere.

NOTE: Calibrated sources typically provide about 50 hours of operation before requiring recalibration, so they are not intended for use as an illuminant in day-to-day measurements. Recalibration service is available. As an alternative to purchasing a calibration source, we can perform an in-house calibration of your spectrometer system with our SPEC-CAL-UV service.

  • Stable tungsten halogen source provides consistent output for the most reliable data
  • HL-3P models offer the lowest uncertainty for high confidence in your data and an integrated shutter for the most accurate dark measurements
  • INT-CAL models interface directly with integrating spheres
  • Digital calibration data can be loaded into Ocean Optics software for absolute intensity data

Included with the product:

  • Power cord
  • AC adapter for stabilizing power
  • Allen wrench for adjusting the SMA and/or CC-3 cosine corrector
  • Digital calibration data – lamp calibration files
  • Paper calibration data and certificate

Calibration Protocol

HL-3-CAL sources are calibrated using a procedure and documentation patterned after the ISO 17025, IEC Guide 115 and JCGM100:2008 (GUM) protocols. Our calibration laboratory is not accredited to ISO 17025, IEC Guide 115 or JCGM100:2008 (GUM) protocols. However, we provide rigorous calibration documentation, upon request, for our HL-3plus sources that makes use of measurement protocols for these standards. Therefore, many customers are able to take the documentation we provide and integrate these calibrated sources into their regulated processes.

HL-3P-CAL Series

The HL-3P series of light sources offers as low as 3% uncertainty at 900 nm and a calibration over the range of 350 – 1050 nm with the option to select an extended calibration to 2400 nm.

Engineering Specifications HL-3P-CAL
Source: Tungsten halogen
Wavelength range: 350 – 1100 nm (HL-3P-CA, also HL-3P-CA with HL-CAL-BF, and HL-3P-INT-CAL)
350 – 2400 nm (HL-3P-CAL with HL-EXT-CAL or HL-EXT-CAL-BF, and HL-3P-INT-CAL with HL-EXCT-CAL)
Nominal bulb power: 5 W
Warm-up time:* 15 minutes
Calibration lifetime: 50 hours
Calibrated for: Absolute irradiance (µW/cm2/nm)
Maximum uncertainty level: 3% (HL-3P-CAL)
7% (HL-3P-INT-CAL)
Stability (current): 0.5% peak-to-peak
Drift (voltage): <0.3% per hour
Integrated shutter: Yes
Connection: SMA 905; CC-3 (HL-3P-CAL)
Integrating sphere (HL-3P-INT-CAL)
Operating temperature: 5 °C – 35 °C
Humidity: 5-95% without condensation at 40 °C
Power requirements: 85-264 V, 50/60 Hz
Power Consumption: 1.2 A @ 12 VDC
Dimensions: 14 x 6 x 6 cm
Weight: 0.5 kg
Safety & regulatory: CE; ROHS, WEEE

*  Warm up time @23 °C ambient, free airflow, no vibrations

Calibration uncertainties for one standard deviation (k = 1)
Wavelength HL-3P-CAL HL-3P-INT-CAL
@ 400 nm 6.0% 9.1%
@ 500 nm 4.1% 7.4%
@ 600 nm 3.9% 7.0%
@ 800 nm 3.8% 6.9%
@ 1000 nm 3.8% 6.9%
@ 1200 nm (Extended calibration) 3.9% 7.0%
@ 1400 nm 4.3% 7.2%
@ 1600 nm 5.6% 8.1%
@ 1800 nm 8.8% 10.5%
@ 2000 nm 10.6% 12.1%
@ 2400 nm 11.7% 13.1%

Applications in which this product is used:

Measurement Techniques in which this product is used:

HL-3-CAL Family.xlsx

Graph Plotted as Absolute Irradiance Data

HL-3-CAL Family.xlsx

Graph Plotted as Absolute Radiance Data