Luminous Flux Meter TES-133 1).Best for measuring:LEDs, Small lamps, Fiber illuminators 2). ... /24mm Hot-selling Item Luminous Flux Meter Light Meter TES-133 TES-133 Luminous Flux Meter4-digit LCD reading. Spectral Sensitivity close ... )mmWeight470gAccessoriesCarrying case, Instruction manual, Battery, CD software, RS-232 cable, AC adaptor, Adapter kit. TES-133 Luminous Flux Meter Light Meter