Calibration reference standard for spectral irradiance and illuminance.
Features: 250 W halogen lamp with stable and therefore long-lasting, helical structure. Lamp holder. Options: crosshair. Calibration in spectral irradiance, 250 nm - 2500 nm, and/or illuminance, with factory or DAkkS certificate, power supply.
Integrating sphere source with intensity control in tens-steps.
Features: 80mm dia, 19mm dia luminous port, ODM98 coating. Halogen lamp. Intensity control with OD0, OD1 and OD2 holes-pattern attenuators. Options: calibrations of luminance, spectral radiance, lamp power supply.