... (φ1.5m),IS-1.75M (φ1.75m),IS-2.0M (φ2.0m). Other size can be designed according to ... flux testing range is 0.001 to 1,999 lm.• IS-1.0M is suitable for CFL or LED ... flux testing range is 0.1 to 199,990 lm.• IS-1.5M/IS-1.75M is suitable ... range is 0.1 to 1,999,900 lm.• IS-2.0M is suitabe for HID lamps or other ... testing range is 0.1 to 1,999,900 lm.Products of this category:IS-*M: Ordinary integrating sphere ...