Peristaltic Pump Unit <PPU-510> 　 • The PPU-510 Peristaltic Pump Unit delivers viscous sample liquid to    the measuring cell of density/spesific gravity meter. • Peristaltic pump connecting kit #434-0159 is necessary and separately sold. Delivery volume 1 - 3mL/min Connectable units DCU-510 Ambient condition Temperature: 5 to 35°C Humidity: less than 85%RH Power source AC100 - 240V, 50/60Hz, 15W  Dimension 132W X 170D X 122Hmm Weight Approx.2kg