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Geopump™ Peristaltic Pumps
A peristaltic pump often is a good choice for obtaining samples collected from wells at a depth of 28 ft. or less, but the stream of water from this or other suction-lift pump should not be used when measuring DO, Eh, or other properties sensitive to oxygen contamination or volatilization.
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 sampling of shallow wells, surface water, and for laboratory use.
- Exceptional field durability
- Operate to a depth up to 29 feet (8.8 meters)
- Variable speed control
- Designed for low-flow, purge and sample, descrete, and filtration
- 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 29 feet (8.8 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 12-18V DC @ 70 watts 90-260V AC 47-65 Hz |
|
| Power Cord Length: |
AC Cord 8 feet (2.4 meters) DC Cord 15 feet (4.6 meters) |
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| Range of Speed: Series I Series II |
60 to 350 rpm First pumping station 30 to 300 rpm Second pumping station 60 to 600 rpm |
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| Speed Control | Stepless variable speed control | |
| 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 |
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| Pump Head (sold separately) | Standard, Easy-load® II |
The Geotech Peristaltic Pumps operate by mechanical peristalsis, so the sample only comes in contact with the tubing. This allows for sample integrity as well as easy cleaning and replacement. With the optional stainless steel tubing weight, tubing can be lowered to a specific depth without curling or floating on the surface of the water. Geopumps operate from any external 12V DC or 120V AC power source.
SERIES I Geopump™ Peristaltic Pumps are available in AC only, DC only, or AC/DC combination. These units have one pumping station which can be piggy-backed for multi-station pumping. They have variable speeds ranging from 60 RPM to 350 RPM.
SERIES II Geopump™ Peristaltic Pumps are available in AC only, DC only, or AC/DC combination. They have two pumping stations which can also be piggy-backed for multi-station pumping. The first pumping station has a variable speed of 30 to 300 RPM and the second station 60 to 600 RPM.
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 Geopump™ Modular Battery and Charger |
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Geopump™ Peristaltic Pump Series II Kit with optional Easy-load® II® pump head, modular battery, 5 ft. (1.5 m) tubing, carrying case and power cord.
Sample collection with the Geopump™ Peristaltic Pump Series II with optional Easy-load® II pump head (dispos-a-filter™ capsule sold separately)
Easy-load® II pump heads shown above, Standard pump heads shown below.