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The SeaHawk 10K distance-read leak detection controller monitors up to 10,000 feet (3,048 meters) of sensing cable.  It is compatible with all SeaHawk sensing cables and the SeaHawk SD-Z spot detector.

This controller features an audible alarm and visible LED notification.  These features allow the 10K to serve as a stand-alone leak detection & notification solution.

Although the 10K does not have a web interface, it can be networked with other RLE Web-accessible controllers or any other Modbus RTU-equipped monitoring system.  The 10K retains its stand-alone features, while the Web-accessible controller provides a centralized source of monitoring, communication, and notification capabilities.

Ready to purchase a SeaHawk system? Download and use our SeaHawk Sensing Cable Length Calculator to make sure you order the right amount of cable.

Make sure you have the right power supply!

Note: The 10K requires an isolated power supply. A power supply is not included with the 10K.  Purchase RLE power supply PSWA-DC-24-ST or WA-AC-24-ST.

Key Features

  • Accommodates up to 10,000 feet (3,048 meters) of sensing cable and/or spot detectors
  • Audible and visible alarm notification
  • Modbus RTU communication via EIA-485 connection
  • Functions as stand-alone leak detection or integrates into larger systems
  • Panel and DIN rail mountable
  • Relay output for system integration with BMS/NMS/BAS and other RLE products

Included Equipment: SeaHawk 10K controller, leader cable, end-of-line (EOL) terminator

Additional Requirements: Isolated RLE power supply, sensing cable and spot detector (as needed for application)

Power: Requires an isolated power supply.

  • 12-24VDC (±10%) Isolated, 50-60Hz; requires RLE power supply PSWA-DC-24-ST (not included)
  • 12-24VAC (±10%) Isolated, 50-60Hz; requires RLE power supply WA-AC-24-ST (not included)
  • 400mA max @ 12VAC/DC; 200mA max @ 24 VAC/DC

Output Relay: 1 Form C, 5A resistive @ 30VDC, 8A resistive @ 250VAC, Minimum load 10mA @ 5VDC (Signal)


  • Leak Detection Cable: Compatible with all SeaHawk sensing cables (not included)
  • Cable Input: Requires 15ft (4.6m) leader cable and EOL terminator (included)
  • Maximum Length: 10,000ft (3048m) of sensing cable
  • Minimum Length: 35ft (11m)
  • Detection Accuracy: ± 2ft (0.6m) +/- 0.5% of the cable length
  • Detection Repeatability: ± 2ft (0.6m) +/- 0.25% of the cable length
  • Detection Response: When used with sensing cable, 5-990sec. (selectable).

Communication Ports

  • EIA-485: 1200, 9600, or 38400 baud, N2 (selectable); Parity: none, 8 data bits, 1 stop bit


  • EIA-485: Modbus RTU Server; N2

Alarm Notification

  • Visible Alarm: Red LED for leak alarm; yellow LED for cable contamination or fault; 4-character LED displays distance or fault status
  • Audible Alarm: 85dBA @ 2ft (0.6m); re-sound configurable, 0-999min.

Front Panel Interface

  • 4-character LED: Displays leak or contamination distance or fault status.
  • 6 LED Indicators:
    • Red: Leak
    • Yellow: Cable Fault or Contamination
    • Green: Power On
    • Green: Measurements made in feet
    • Green: Measurements made in meters
    • Green: Microamps of current on cable
  • Push Button: Test/Reset/Alarm Silence, cycle through device functions

Operating Environment

  • Temperature: 32° to 122°F (0° to 50°C)
  • Humidity: 5% to 95% RH, non-condensing
  • Altitude: 15,000ft (4,572m) max.

Storage Environment: -4° to 158°F (-20° to 70°C)

Dimensions: 2.8”W x 4.3”H x 2.4”D (71mmW x 109mmH x 61mmD)

Weight: 5.3oz. (153g)

Mounting: DIN rail or panel mountable

Certifications: CE; ETL listed: conforms to EN 61010-1; UL 61010-1, certified to CSA C22.2 NO. 61010-1; RoHS compliant

Product Documentation Links

Technical Resources

Technical Notes

The 10K does not have a web interface, but can communicate via Modbus to any Modbus-equipped monitoring system.  Use the dip switches on the front of the unit for configuration.

Power Supply
The 10K requires an isolated power supply. Purchase RLE power supply PSWA-DC-24-ST or WA-AC-24-ST for use with the 10K.

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