100 Solar Constant Irradiance Standard0 pages

OL 100 Solar Constant
Irradiance Standard

General
The OL 100 is a high-intensity standard consisting
of a 1000-watt, DXW, tungsten-halogen lamp
mounted in a slip-cast, fused silica reflector. The
source has an effective radiating area of 3 x 5 cm.
At a distance of 40 cm, the total irradiance is on
the order of one solar constant (approximately 136
mW/cm2). Uniformity tests performed on a number
of these units show that the irradiance in the
2
specified direction over an area of 4 cm is uniform
to ± 0.25%.
The standards can be obtained with calibrations for
total
irradiance,
spectral
irradiance
and
illuminance.
All calibrations are based on
standards supplied by the National Institute of
Standards and Technology (NIST).
The following table lists the type of calibrations
available and their corresponding model number:

Type of Calibration

Model #

Spectral Irradiance (300 – 750 nm) .............................. 100A
Spectral Irradiance (750 – 2500 nm) ............................ 100B
Spectral Irradiance (300 – 2500 nm) ............................ 100C
Total Irradiance ............................................................. 100D
Total and Spectral (300 – 2500 nm) ............................. 100H
Illuminance Only * ......................................................... 100P
Uncalibrated (seasoned) ............................................... 100U
* For illuminance calibrations in addition to the above calibrations, add
the suffix “P” to the appropriate model number

NOTE: In order to ensure consistent and reliable results,
Gooch & Housego (Orlando) standards should only be
used with current sources that possess a ramp current
feature.

Contact: orlandosales@goochandhousego.com

www.GHinstruments.com

As part of our policy of continuous product improvement, we reserve the right to change specifications at any time
Bulletin 3 / Rev 7-11
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