Pulse free pump is flexible about dispensing
A
Michael Smith Engineers product story
Edited by the Engineeringtalk editorial team
Sep 16, 2005
A new pulse-free dispensing pump offers excellent repeatability on a wide range of flows.
A new pulse-free dispensing pump which offers excellent repeatability on a wide range of flows, is the latest addition to the range of pumps available from liquids handling specialists Michael Smith Engineers.
The Reglo Z is a compact, digital drive unit which is designed for use with the proven Micropump range of magnetically coupled gear pump heads.
Under test conditions the Reglo Z pumps achieved repetitive error (relative) results of better than 0.5% at 5ml, and at 100ml they achieved better than 0.1%.
The drive will accept the Micropump GA series which are capable of flows ranging from 0.85 to 420ml/min and differential pressures to 5.2bar (depending on the pump head installed).
They can also be combined with the Micropump GJ series providing flows from 32 to 3200ml/min at pressures to 1bar (again, dependant on the pump head installed).
Alternative drives are available for use with the GJ series where situations demand a pressure above 1bar.
A variety of operating modes ensures optimum flexibility, for example; pumping by drive speed, flow rate, dispensed volume and dispensing by time (0.1s to 999h).
It is also possible to pause the unit between dispenses and to set the number of cycles.
The drive is capable of a speed range of 50 to 5000rev/min and a simple six-button membrane keyboard and LED display enables speed adjustment in steps of just 1rev/min.
Calibrating functions are also included in both flow rate and dispense volumes modes, an essential feature in being able to set precise flow values.
Other features and benefits include a closed loop control to ensure that the set speed is maintained independent of pressure, RS232 interfaces to enable operation via a PC and cascading of pumps, analogue output for speed monitoring (0 to 10V DC or 0 to 12kHz) and digital input (TTL) to enable run/stop and auto start operation.
Despite a comprehensive range of features the Reglo Z drive unit measures just 175 x 97 x 135mm and weighs 1.7 kg (excluding pump head) so it can be accommodated on most benchtops, even where space is at a premium.
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Contact Michael Smith Engineers
Tel +44 1483 771871
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