The Geotech Geopump™ Series I and II Peristaltic Pumps are designed for single and multi-stage pressure or vacuum pumping of liquids. They operate by mechanical peristalsis, so the sample only comes in contact with the tubing. This allows for consistent sample integrity as well as easy cleaning and replacement. The Geopump is ideally suited for field sample removal from shallow wells and all surface water sources or for laboratory use.
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- Features & Applications
- Company Information
• Exceptional field durability
• Operate from 60 to 600 RPM
• Up to 1 liter/min. delivery rate
• Operate to a depth of 27 feet (8 meters)
• Variable speed control
• AC only, DC only, or AC/DC combination
• Two pumping stations available, which can be piggybacked for multi-station pumping
• Reversible flow feature for back-flushing
• Disposable and dedicated tubing means controlled costs and no decontamination issues
Operating Range Suction from 27 feet (8 meters) at sea level
Principle of Operation Mechanical peristalsis
Dimensions 3.5 x 8 x 8 in. (9 x 20 x 20 cm)
Power Source Any external 12-18 V DC @ 70 watts, 90-260 V AC 47-65 Hz
Power Cord 12V DC adapter cord or standard AC power cord
Power Cord Length:
· AC Cord 8 feet (2.4 meters)
· DC Cord 15 feet (4.6 meters)
Range of Speed:
· Series I 60 to 350 rpm
· Series II First pumping station 30 to 300 rpm
· Second pumping station 60 to 600 rpm
Speed Control Stepless variable speed control
Liquid Delivery Rate 1.67 ml per revolution
Pumping Options Pressure or vacuum (reversible flow)
Pump Head Rotor Cold rolled steel
Warranty 1 year
Basic System Kit Geopump (as specified), 5 ft. (1.5 m) of tubing, power cord (as specified), field case, and manual
Pump Head (sold separately) Standard, easy-load®, easy-load II®
Formed in 1956, Geotech transitioned from a specialty machine shop to an environmental equipment manufacturer in 1978 when invited by the United States Geological Survey (USGS) to partner with them in developing products and technologies for the emerging U.S. Trace Metals Analysis Program.
As a result of this partnership, the bladder pumps, peristaltic pumps, 0.45-micron sampling filters, and filter holders developed by Geotech for the program became the groundwater industry standards.
Geotech rounded out already-extensive product lines by acquiring three outstanding companies: Oil Recovery Systems (ORS) in 1997, Keck Instruments, Inc. in 1999, and the Marschalk Corporation in 2005. Coupled with ongoing product research and development, Geotech today offers the most extensive line of equipment in the environmental field.
In addition to its 125,000 square-foot Denver-based manufacturing plant and corporate headquarters, Geotech now operates service centers in six other states, plus a European Sales Center in Barcelona, Spain and a representative office in Beijing, China. Geotech equipment meets environmental challenges on every continent!