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Product Demo

User Name: ld5200
(case sensitive)

Password: Not required for basic functionality.

Contact RLE for advanced access.

Product Demo


10,000 Feet Of Leak Detection 

Protecting a facility from damaging leaks is an important part of any disaster mitigation plan.  The  LD5200 pairs superior leak detection technology with an easy-to-use interface.  This integration helps users quickly and efficiently establish a distance-read leak detection system that monitors up to 10,000 feet of sensing cable and reliably protects valuable assets.

Configuration And Monitoring Via LCD Or Web Interface

The LD5200 was designed with the end user in mind.  All basic device functionality is available from the LCD touch screen – configure, monitor, locate, and acknowledge leaks from the front panel of the LD5200.  The LD5200 can be used as a stand-alone device without sacrificing any leak detection or alarm notification functionality.

Once the LD5200 is connected to a network, a robust web interface expands the capabilities of the unit.  Use the web interface’s interactive facility mapping tool to create an interactive overlay that displays on top of an uploaded floor map image.  When a leak is detected, the LD5200 displays its location on the map, making leak location quick and easy.

Seamless Integration Into A BMS/NMS

While the LD5200 can function as a stand-alone device, it also has powerful integration capabilities.  Multiple communications ports allow the LD5200 to act as an aggregate device for a wide variety of related secondary devices.  The highly scalable LD5200 can provide leak detection and notification for an entire building through one IP address.  It can also seamlessly integrate into a BMS or NMS.  The LD5200 is ideal for applications that require a stand-alone system that can also be integrated into a larger centralized monitoring system.

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.

Key Features

  • Monitors up to 10,000 feet of sensing cable
  • Stand-alone or integrated leak detection and notification
  • Annunciates multiple, simultaneous leaks when other RLE distance-read controllers are integrated into the system
  • Pinpoints leaks quickly and accurately
  • Aggregates data from up to 127 RLE leak detection controllers – manage an entire building’s leak detection through one IP address
  • Configure up to 32 virtual zones
  • Sends direct email alarm notification
  • Access the device remotely via the robust web interface – any time, any place
  • Create up to 10 interactive leak detection reference maps
  • Logs an extensive variety of events and alarms
  • Detailed alarm history with time and date stamp assists in troubleshooting

LD5200 Specifications

Included Equipment: LD5200 controller with power supply, leader cable, end-of-line (EOL) terminator

Additional Requirements: Sensing cable (as needed for application)

Power: Requires a dedicated circuit within close proximity, marked as the disconnecting device for the LD5200. 

  • 100-240VAC@ 500mA max, 50/60Hz power supply; dedicated circuit required

Sensing Cable Input – Compatible with all SeaHawk sensing cables (not included)

  • Cable Input: Requires 15ft (4.6m) leader cable and EOL (included)
  • Maximum Sensing Cable Length: 10,000ft (3,048m) of sensing cable
  • Minimum Sensing Cable 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 Time: 5-990 seconds, software adjustable in 5 second increments; ±2 seconds


  • Analog: 4-20mA Loop Powered, 18-36VDC, RL = 500 Ohm max.
  • Relay: 1 DPDT Leak Relay, 1 DPDT Cable Break Relay (allows each alarm to be sent to two places); 1A @ 24VDC, 0.5A resistive @ 120VAC; configurable for supervised or non-supervised, latched or non-latched
  • Maintenance Relay: 1A @ 24VDC, 0.5A resistive @ 120VAC; configurable for supervised or non-supervised, latched or non-latched

Communication Ports

  • EIA-485 (Port 1, Port 2, Port 3): 9600, 19200, or 38400  baud (selectable); No parity, 8 data bits, 1 stop bit
  • EIA-232: 9600 baud; No parity, 8 data bits, 1 stop bit
  • RJ-45: 10/100BaseT Ethernet port (TCP/IP)


  • EIA-485: Modbus RTU Client & Server; BACnet MS/TP; N2
  • EIA-232: Terminal emulation, VT100 compatible
  • RJ-45: Ethernet: TCP/IP; Modbus/TCP/UDP, Client & Server; SNMP V1, V2, V3, NTP, SMTP, DNS; BACnet/IP

Alarm Notification

  • Audible Alarm: 85DBA @ 2ft (0.6m); re-sound 0-999min
  • Visible Alarm: Alarm indicated on LCD touch screen and through web interface

Logging Capabilities – Logs are downloadable to .txt file

  • Alarm History/Event Log: Last 1,024 events
  • Trend Log: Cable current level once per day, for the last 365 days

Login Security

  • LCD Touch Screen: No password required to view controller status and data.  Administrator password limits access to configuration options.
  • Web Interface:  Username and password can be configured.

Front Panel Interface

  • Display: 480 x 272 pixel color backlit LCD touch screen; 95.04mm x 53.85mm

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)


  • NEMA Type 1
  • Dimensions: 12.5″W x 10″H x 3.25″D (318mmW x 254mmH x 83mmD)
  • Weight: 8.2 lbs. (3.7kg)
  • Mounting: Wall mount

Certifications: CE; ETL listed: conforms to UL 61010-1, EN 61010, CSA C22.2 No. 61010-1, IEC 61326:1997; RoHS compliant

Product Documentation Links

Technical Resources


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