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  6. 4.1.1 PolarityChanger

4.1.1 PolarityChanger

The PolarityChanger enables the SmartSampler2 to drive a peristaltic pump in both flow directions by electronically reversing the polarity of the connected output.
It is ideal for applications requiring controlled intake and discharge using a single pump.

PolarityChanger Sketch

Key Features

  • Bidirectional Pump Control
    Allows forward and reverse operation of peristaltic pumps without additional wiring effort.
  • Compact & Rigid Design
    Robust housing ensures durability during transport and repeated field deployments.
  • Weatherproof Housing
    Designed for reliable use in outdoor environments, resistant to rain, splash water, and dust.
  • Bayonet Quick Connect
    Secure, tool-free connection to field cables for fast setup.
  • High Corrosion Resistance
    Suitable for long-term deployments in harsh environmental conditions.
  • Custom Cable Length
    Available with cable lengths tailored to individual application requirements.

Typical Use Case

The PolarityChanger is used when a single peristaltic pump must alternately fill and empty a chamber, reservoir, or tubing line.
By connecting through the PolarityChanger, the SmartSampler2 output can reverse pump direction on demand, eliminating the need for multiple pumps.


Note

The PolarityChanger is plug-and-play with the SmartSampler2, requiring no additional licenses.

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