Product Description Simple keypad and large LCD display for easy set-up of routine spins Dual display of SET and RUN conditions verify performance at a glance On-line rotor catalog call up specifications for SORVALL and competitive rotors Automatic RCF/RPM mode no protocol conversion necessary for rotors in the catalog Real Time Control for delayed start/stop runs The Sorvall Discovery 90 Ultra Centrifuge features simple keypad and large LCD display for easy set-up of routine spins. A Dual display of SET and RUN conditions verify performance at a glance. On-line rotor catalog call up specifications for SORVALL and competitive rotors. Automatic RCF/RPM mode no protocol conversion necessary for rotors in the catalog. Real Time Control for delayed start/stop runs Specifications Accuracy Speed control accuracy +/-10 rpm Temperature set range 0C 40C Temperature control accuracy +/-0.5C Timer 0 to 99 hr 59 min or HOLD Step run 9 single step runs Diagnostic indicators up to 2 steps Vacuum level indication 15 3 levels shown by LED Digital readout and 3 levels shown by LED Noise Level 53 dB Dimensions Chamber Dimensions 90 x 90mm Width 31 Depth 27 Height 40