Tenders for Supply of Black Light Set For Magnaflux Testing With Separate Control Transformer, Hand Held Light Weight. Minimum Intensity 4000Micro Watt, Visible Emission At 325Mm Height, 10 Lux Bulb. Multiple Led Filter For Ultraviolet Light Filtering. Operating Voltage220-240V, 50 Hz And 1 Ph Input To Be Supplied With Carrying Case. Make/Brand: Supermag/Ndt Warranty Period: 30 Months After The Date Of Delivery