Geotech Geocontrol 2 Dedicated Bladder Pump Controller


Geotech’s geocontrol 2 utilizes advanced electronic logic to control both high rate purging and gentle, low flow sampling. Simple to use, accurate microprocessor controlled on/off timers are utilized to recreate expert techniques for low-flow sampling. The Geocontrol 2 high-pressure, solenoid-activated valve delivers even in the deepest sampling applications.
The geocontrol 2 can be used with any bladder pump system with the use of simple quick-connect adapters.


  • Microprocessor controlled
  • Operates on 115V AC or 12V DC
  • Rugged water tight case
  • High pressure operation to 300 psi (20.5 bar)
  • Low flow sampling
  • Built in pressure regulator and gauge
  • High accuracy timers
  • Adjustable fill rate control
  • Simple to use
  • Designed for trouble free operation
  • Includes in line water trap
  • Low flow sampling Draw-Down Option for Geotech bladder pump systems


Operating Depth: 0-690 feet (210m)
Input Air Pressure: Up to 300 psi (20.5 bar)
ON Timer Range: .125 to 30 seconds*
OFF Timer Range: .125 to 30 seconds*
Timer Resolution: .125 seconds
Timer Accuracy: .125 seconds
*Custom timer and ranges available
Operating Temperature: 32°-158°F (0°-70°C)
Storage Temperature: -40°-185°F (-20°-85°C)
Enclosure: 7" x 16" x 12" (18 x 41 x 30.5 cm)
Weight: 14 lbs. (6.3 kg)
Input Power
Battery: 10.5-13.8V DC
AC: 105-130V AC
Line Frequency: 45-65 Hz
Maximum Power: 15 Watts

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