01 December 2011
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Volumetric dispensing system gets a volume boost

The preeflow eco-PEN 600 from Intertronics is a high precision volumetric dispensing system that takes all the features of the existing eco-PEN 300/450 and adds size.

Maximum volume is nearly trebled at 16 ml per minute while minimum dose is just 0.015 ml, thus increasing the application scope of these systems, as well as enabling them to take on the bigger jobs where guaranteed 1% accuracy is required with continuous repeatability such as with robotic installations in electronics, component assembly, medical or laboratory type industries.

Intertronics tells us that the eco-PEN 600 also maintains the ease of use characteristic of the endless piston design with its easy clean rotor and stator, independence of feed pressure and easily controllable suck-back which ensures a clean material cut-off and no post-drip effects.

Associated microprocessor based controllers are available in bench top or panel-mount format and are claimed to be simple to operate, without submenus but with graphic support. A wide variety of dosing programs with part-management are storable. External signals can be connected by the preeflow EC200's I/O ports to a PLC for control in automated lines.

The supply pressure is monitored and can be displayed digitally. Error messages for filling level and motor current may also be monitored via an RS232 interface. For robotic and automated installations a speed control enables time and pressure to be set by external computer system.

Paul Gay

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