The IS1800 is a 1.8m diameter integrating sphere used primarily for measurements of tubular fluorescent lamps (EN60081) and high power lamps such as SOX and SUN.
The size of the source being measured determines the diameter of the integrating sphere to be used. CIE 84 recommends a diameter at least two times the source size for tubular lamps.
All spheres are available with many options and accessories including:
spectroradiometer/ photometer/ colorimeter
wide range of standard lamp holders
adjustable lamp holders
rotating lamp holders (0-360°)
temperature monitors
safety interlocks
wiring options (internal/external control gear, HF operation etc)
calibrated standard lamps and power supply