​Standard Features

  • Fail-safe float shutoff prevents overfilling of sample bottle

  • Exclusive LD90 Liquid Presence Detector and pump revolution counting system ensure accurate, repeatable sample volumes.

  • Quick, easy setup for:

    • Uniform time intervals

    • Non-uniform time intervals

    • Flow-paced sampling with or without time delay

  • Thick foam insulation (R-11) and 20-lb ice capacity (with 4-gallon bottle) to preserve samples.

  • 3710 Controller is housed in a NEMA 4X and 6 (IP67) environmentally sealed enclosure, and is fully interchangeable between portable and refrigerated samplers.


  • Wastewater effluent

  • CSO monitoring

  • Permit compliance

  • Pretreatment compliance

Options and Accessories

  • Composite sampling bottle configurations - 1 x 2.5 gallon (9450 ml) polyethylene or glass; 1 x 4 gallon polyethylene

  • Suction lines and strainers​​

For a full list of product specifications, see the datasheet.


When you purchase instruments from Teledyne ISCO, you not only receive innovative, high quality products, you also receive excellent customer service and product support. Your initial purchase is only the beginning of Teledyne ISCO's ongoing commitment to their customers.