Digital burettes: Top Burette Bottle-top digital burettes with safety valve: telescopic filling tube: variable discharge tubes: 3 adapters for reservoir bottles with 40/38/32 mm diameter screwthreads and 2 x 1.5V micro batteries. -Continuous and pulse-free dispensing technology for rapid titration -Patented safety valve for burette priming without loss of reagent -Power supply from long-life batteries with remaining charge displayed -Dispensing range from 0.01 ml to 999.9 ml -Electronics are removable as single unit -Servicing-friendly modular construction -Simple calibration programme -Discharge tube rotates 360° -Variable discharge tubes are individually adjustable horizontally 142 to 220 mm vertically 10 to 200 mm -Telescopic filling tube for automatic length adjustment from 210 to 370 mm -Connector for drying tube.Type Top Burette M : Capacity 2500 per rotation µl