1. Swedent 5 LED High Speed Handpiece (Independently Rating)

  Specification German dynamic balance technology Air supply pressure of working : 200 ~ 230 Kpa (220 Kpa recommended) Applicable bur : 1.59mm ~ 1.6mm ( according to ISO 1791-1) Chuck type : push button Bur retention force : no less than 22N Radial run-out of chuck : 0.03mm Brake torque : >= 0.05 N.cm Noise level : under 80 dB Sterilization : over 135 ℃ high temperature resistance Resistance to reprocessing : 250 cycles Operation Instruction Working air pressure : 200 - 230 Kpa ( the air must be filtered) Working water pressure : after 200 Kpa, water flow rate should exceed 50 ml/min, the water must be clean.   surface roughness: Ra >= 0.8 µm Environment temperature : 5 ~ 40 ℃  Relative humidity : 30 - 85 % Atmospheric pressure : 500 - 1060 hPa Speed : 350,000 - 380,000 rpm