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Zone Controllers (LD1000)

Key Features


up to 1,000 feet (305 meters) of conductive fluid sensing cable and/or spot detectors, or

up to 700 feet (213 meters) of chemical sensing cable

Three LED indicators: Power, Leak, Fault

Selectable audible alarm annunciation

Configurable for supervised or non-supervised operation

Adjustable sensitivity settings

Wall mount enclosure

Two Form C output relays for leak and fault alarms

Included Equipment: LD1000 controller, leader cable, end-of-line (EOL) terminator

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

Power: Requires an isolated power supply for DC operation.

24VDC (±10%) Isolated @ 300mA max.; requires RLE power supply PSWA-DC-24-ST (not included)

24VAC (±10%) @ 300mA max.; requires RLE power supply WA-AC-24-ST (not included)


Leak Detection Cable: Compatible with SeaHawk sensing cables (not included)

Cable Input: Requires 15ft (4.6m) leader cable and EOL terminator (included)

Maximum Sensing Cable Length: 1,000 feet (305m) of conductive fluid sensing cable, or 700 feet (213m) of chemical sensing cable or hydrocarbon sensing cable

Detection Response Time: Configurable for 10sec or 2min, ±10%, when used with conductive fluid or chemical sensing cables.

Outputs: 1 Form C Leak Relay, 1 Form C Cable Fault Relay, configurable to 2 Summary Alarm Relays; 1A @ 24VDC, 0.5A resistive @ 120VAC; configurable for supervised or non-supervised, latched or non-latched

Alarm Notification: Audible Alarm 85DBA @ 2ft (0.6m); Selectable

Front Panel Interface

LED Indicators: Power: 1 green (on/off); Cable Fault: 1 amber; Leak Detected: 1 red

Push Buttons: 1: Quiet,Reset, Test

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: 4.125″W x 5.5″H x 2.25″D (105mmW x 140mmH x 58mmD)

Weight: 27.0 oz. (765g)

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