Gamma Scientific’s Model 5000 FEL 1000-Watt Lamp Standard provides absolute calibration of spectral irradiance from 250 nm to 2.4 microns.
This tungsten-halogen lamp standard bears the ANSI designation of FEL. It is calibrated to the 2000 NIST spectral irradiance scale.
The 5000-16C Lamp Standard is a bi-pin 1000 watt lamp that is adapted by Gamma Scientific into a bi-post configuration. It is used in conjunction with the 5000-18 Lamp Holder and 5000-17 Lamp Alignment Jig to obtain a higher degree of accuracy as a result of improved alignment reproducibility.
The 5000 FEL Lamp comes in two models. The Model 5000-16C is calibrated, while the Model 5000-16A is uncalibrated.
Quartz halogen, ANSI Type FEL, 1000-watt lamp
1.0-8.3 amp operating current
Spectral irradiance, 193 tabulated points consisting of 34 direct transfer points and 159 derived points
250 to 2500 nm spectral range
Spectral irradiance uncertainties (NIST standards): ±0.8 from 450-1600 nm, widening to ±1.94% at 250nm and to ±5% at 2500 nm (refer to NIST Technical Note 262)
Estimated accuracy of illuminance and luminous intensity is ±3%
Estimated accuracy of chromaticity coordinates is ±0.2%
Estimated accuracy of correlated color temperature (CCT) is ±5°K
Typical Irradiance Values | |
NM | WATTS/cm²-nm |
250 | 1.55e-08 |
350 | 7.44e-07 |
555 | 1.04e-05 |
1100 | 2.09e-05 |
1700 | 1.09e-05 |
2500 | 4.17e-06 |