Specification: 
• ED Measurement condition A/B
• Data plots：2D orthogonal coordinates，2D polar coordinates
• Scanning angle：-90°~90°
• Average luminous intensity (IV): 0 ~ 2000cd
• Half-intensity angle(2θ1/2); Misalignment angle(Δθ)
• Luminous flux φV (with suitable intergrating sphere): 0~200000lm
• Forward voltage( VF): 0 ~20V; Forward current (IF): 2 ~ 2000.0mA
• Reverse voltage (VR): 1 ~ 20V; Reverse current (IR): 0 ~ 2mA
• Optical/electrical characteristics: IF&VF / IF&IV / IF&φV
• Automatic test of power dissipation (PD)and luminous flux efficiency (ηV)
• Display mode: Either display in computer monitor through software communication or in a big LED screen
• Motor operation mode: continuous test or oriented test; No wiring design; Detector with preamp
• Operating system: Windows 2000/XP/Vista