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Watson Marlow 620DI Pump Watson Marlow 620 Watson Marlow Dispensing Pump 620 DI used, very very nice, as shown
-Keypad entry of flow rates from 0.0011 gpm to 4.76 gpm (0.004 -18 liter/min)
-Dispenses 500ml to within +/-0.5% in 3.0 seconds
-Stores up to 50 dispensing programs
-Non-drip function eliminates drips at dose end
-Ramp function for delicate fluids prevents frothing/splashing and enhances accuracy
-PIN-secure Process Protection; full pump configuration protected by dual operator/supervisor PIN codes
-Export batch records via RS232 to a PC or printer for cGMP requirements
-Brushless DC motor, 2650:1 turndown, 0.1% set speed accuracy
-IP31/NEMA 2 vented wipe-down enclosure suitable for dry industrial environments
-Chemically resistant powder coated casing (exterior grade polyester)
-Wire-free guard-switching stops the pump if the pumphead is opened while running
-Remote control (contact closure or 5V TTL to 24V industrial logic) or RS232 network control
-Digital status outputs (configurable) via four relays
-Analog speed control (0-10V or 4-20mA) and feedback (0-1478Hz)
See this link for brochure to reference-
http://www.watson-marlow.co.za/pdfs-global/b-620drives-us-01.pdf