Probes & Sensors

BRStv

A New Way to Monitor Liquid Levels

Never before offered in the aquarium industry, LLS Sensors allow for the measurement of water depth to help you monitor the water level in your sump, aquarium, reservoirs, or other liquid-holding containers.

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26 Items

  1. MOS Magnetic Optical Sensor
    Neptune Systems
    MOS Magnetic Optical Sensor
    $41.99

    $41.99
  2. LD-3 Optical Multi-Surface Leak Sensor
    Neptune Systems
    LD-3 Optical Multi-Surface Leak Sensor
    $42.99

    $42.99
  3. Lab Grade Double Junction pH Probe
    Neptune Systems
    Lab Grade Double Junction pH Probe
    $94.99

    $94.99
  4. Lab Grade Double Junction ORP Probe
    Neptune Systems
    Lab Grade Double Junction ORP Probe
    $104.99

    $104.99
  5. Temperature Probe
    Neptune Systems
    Temperature Probe
    $34.99

    $34.99
  6. MPR Magnetic Probe Rack
    Neptune Systems
    MPR Magnetic Probe Rack
    $44.95

    $44.95
  7. LD-1 Low Profile Leak Detection Probe
    Neptune Systems
    LD-1 Low Profile Leak Detection Probe
    $34.99

    $34.99
  8. LD-2 Solid Surface Leak Detection Probe
    Neptune Systems
    LD-2 Solid Surface Leak Detection Probe
    $34.99

    $34.99
  9. 1/2
    Neptune Systems
    1/2" Flow Sensor FS50
    $34.99

    $34.99
  10. 1/4
    Neptune Systems
    1/4" Flow Sensor FS25
    $21.99

    $21.99
  11. 2
    Neptune Systems
    2" Flow Sensor FS200
    $109.99

    $109.99
  12. OS-1 Optical Level Sensor V2
    Neptune Systems
    OS-1 Optical Level Sensor V2
    $29.99

    $29.99
  13. Replacement Dissolved Oxygen Probe Membrane Kit
    Neptune Systems
    Replacement Dissolved Oxygen Probe Membrane Kit
    $79.99

    $79.99
  14. Low-Profile Advanced Leak Detection Probe
    Neptune Systems
    Low-Profile Advanced Leak Detection Probe
    $31.99

    $31.99
  15. Solid Surface Advanced Leak Detection Probe
    Neptune Systems
    Solid Surface Advanced Leak Detection Probe
    $31.99

    $31.99
  16. Probe Calibration Kit - ph 7.0, ph 10.0, & Salinity 53000uS
    Neptune Systems
    Probe Calibration Kit - ph 7.0, ph 10.0, & Salinity 53000uS
    $5.99

    $5.99
  17. 7.00 pH Calibration Fluid
    Neptune Systems
    7.00 pH Calibration Fluid
    $1.99

    $1.99
  18. 10.00 pH Calibration Fluid
    Neptune Systems
    10.00 pH Calibration Fluid
    $1.99

    $1.99
  19. Neptune Systems Conductivity Calibration Solution - 53000 Microsiemens
    Neptune Systems
    Neptune Systems Conductivity Calibration Solution - 53000 Microsiemens
    $2.99

    $2.99
  20. Neptune Systems Conductivity Calibration Solution - 447 Microsiemens
    Neptune Systems
    Neptune Systems Conductivity Calibration Solution - 447 Microsiemens
    $2.99

    $2.99
  21. Lab Grade Conductivity/Salinity Probe
    Neptune Systems
    Lab Grade Conductivity/Salinity Probe
    $209.99

    $209.99
  22. FMK Flow Monitoring Kit
    Neptune Systems
    FMK Flow Monitoring Kit
    $219.99

    $219.99
  23. 1
    Neptune Systems
    1" Flow Sensor FS100
    $65.99

    $65.99
  24. PMK PAR Monitoring Kit
    Neptune Systems
    PMK PAR Monitoring Kit
    $339.99

    $339.99
  25. Lab Grade Dissolved Oxygen Probe
    Neptune Systems
    Lab Grade Dissolved Oxygen Probe
    $789.99

    $789.99