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Pump Controls

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Does a DB9 connector work with Eldex pumps?

Our pumps can be controlled with an analog signal or via an RS232 interface. To connect the pump to your system, you can use a USB to RS232 RJ12 (which…

Will a standard USB to RS232 cable work for the connection?

Our Optos Pumps require DSR/DTR controls to work properly and specific wiring on the RJ12. We sell the cables: Eldex P/N: 6143 CABLE, RS232, USB to RJ12 Below is the…

What are the control options for Optos Series pumps?

Eldex Optos pumps can be controlled with an analog signal (0-5V, 4-20mA) or via an RS232 interface. High- and low-pressure limits can only be enabled when the Optos Series pump…

What are the control options for HP Series pumps?

Eldex HP Series pumps do not have electronic controls; they use a manually adjusted micrometer to set the piston stroke length, which adjusts the flow rate. Our Optos series is…

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Recent Posts

  • Pump Cavitation
    Pump Cavitation
    March 12, 2026/
    0 Comments
  • Eldex Tips, Upgrades and Product Highlights
    Eldex Tips, Upgrades and Product Highlights
    December 20, 2025/
    0 Comments
  • Highlights from Boston and Customer Innovations
    Highlights from Boston and Customer Innovations
    December 20, 2025/
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