MENU Open menu www.labspherestore.com Toggle search bar What can we help you find? Submit search CART Standards Color Standards Fluorescent Standards Wavelength Standards Diffuse Reflectance Standards Targets Permaflect Targets Spectralon Targets Spheres Components Port Plugs Adaptors Detectors Light Sources Port Adaptors Power Supplies Replacement Lamps Variable Attenuators Spectrometers Systems Goniometer / Goniophotometer Image Sensor Test Systems Laser Power Measurement Systems Light Measurement Systems Remote Sensing Calibration Systems Sunscreen Testing Optical Coatings and Materials Zenith Nav Menu 2 Nav Menu 3 Nav Menu 4 Nav Menu 5 Nav Menu 6 Nav Menu 7 Nav Menu 8 Home > Components > Variable Attenuators > VAA-220B Product Code: AA-31000-100 Contact Labsphere for Price and Availability, sales@labsphere.com, 603.927.4266 Description Advanced Variable Attenuator Assembly, Controller & Cables. True Black Blade for Low Level Systems. Includes Mounting Kit (Mirror/Sphere). Requires Rack Mounting Kit to put controller in rack (VA-RK-x).