Peristaltic Pump D-21V 50-2R 80 B/C Variable Flow 2-750 ml/min Battery-Powered

Variable-flow peristaltic pump for laboratory use with digital speed control and autonomous operation via rechargeable battery. Designed for continuous dosing, transfer and sampling where precision and repeatability are required.

Key features

• Flow rate: 2 to 750 ml/min, variable
• Speed control: Digital, 0 to 99 % in 1 % increments
• Repeatability: 100 %
• Pump head: Polycarbonate rotor with 2 rollers
• Power supply: Rechargeable battery + 12 V charger included
• Mains connection: 230 V 50/60 Hz

Typical applications

Precise reagent dosing, transfer of aggressive fluids, continuous process sampling and applications where portability is a requirement. Battery operation allows use without mains power — useful in pilot plants, field settings or locations without an available outlet.

Common in chemistry, biotechnology, quality control and industrial process laboratories.

Operation and maintenance

Tube removal is tool-free for replacement or sterilisation — minimal downtime. The remote control output allows integration into automated systems. Pilot light and main switch on rear panel.

Technical data

• Flow rate: 2 - 750 ml/min
• Control: Digital 0-99 % in 1 % steps
• Pump head: Polycarbonate, 2 rollers
• Power supply: 230 V 50/60 Hz / 12 V battery
• Dimensions: 185 x 245 x 120 mm (W x D x H)
• Weight: 3 kg
• Accessories included: Assorted tubes and connectors, 12 V charger