RW 20 digital The bestseller in the laboratory: With digital display Robust, slim, ergonomic design Further development of the tried-and-tested RW 20 series With constant-speed drive Two speed ranges for universal use from 60 - 2,000 rpm Push-through stirrer shaft (only at standstill) For stirring quantities up to 15 l (H2O) stirring volume max. per stirring point (H2O) 20 l Motor power consumption 70 W Motor power output 35 W Speed ??indication LED Speed ??range 60 - 2000 rpm Viscosity max. 10000 mPas power max. on the stirrer shaft 26 W Permissible duty cycle 100% torque max. at the stirrer shaft 150 Ncm torque max. at the stirring shaft at 60 rpm (overload) 300 Ncm torque max. at the stirring shaft at 100 rpm 150 Ncm torque max. on the stirrer shaft at 1,000 rpm 24 Ncm Speed ??range I (50 Hz) 60 - 500 rpm Speed ??range II (50 Hz) 240 - 2000 rpm Speed ??range I (60 Hz) 72 - 600 rpm Speed ??range II (60 Hz) 288 - 2400 rpm Adjustment speed Speed ??Infinite Adjustment accuracy Speed ??1 ± rpm Deviation Speed ??measurement 30 ± rpm Stirring tool clamping chuck Temperature display no Chuck clamping range min. Diameter 0.5 mm chuck clamping range max. Diameter 10 mm Hollow shaft, inner diameter 10.5 mm Hollow shaft (push-through - at standstill) yes Attachment to tripod Boom Boom diameter 13 mm Boom length 160 mm Torque display no Rated torque 1.5 Nm Timer no Dimensions (W x H x D) 88 x 294 x 212 mm Weight 3.1 kg Permissible ambient temperature range 5 - 40 ° C Permissible relative humidity 80% Degree of protection according to DIN EN 60529 IP 20 USB interface no RS 232 interface no Analogue output no Voltage 220 - 240/100 - 115 V Frequency 50/60 Hz Power consumption 72 W