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    SECO-LARM E-964-Q Series — Quad Photo Beam Detector Specifications

    August 31, 2026 2 min read

    Specifications for the SECO-LARM E-964-Q Series Quad Photo Beam outdoor/indoor perimeter detectors (165, 330, 495, and 660 ft. range models).

    💾 Download Original PDF
    Full text manual (for reference)

    Specifications for the SECO-LARM E-964-Q Series Quad Photo Beam outdoor/indoor perimeter detectors, available in 165', 330', 495', and 660' outdoor range models.

    Model Range

    Model Outdoor Range
    E-964-Q165Q 165 feet
    E-964-Q330Q 330 feet
    E-964-Q495Q 495 feet
    E-964-Q660Q 660 feet

    Features

    • Form "C" relay alarm output for more flexible installations
    • Multi-frequency: four selectable beam frequencies to eliminate interference between multiple units in flexible perimeter protection setups
    • Automatic input power filtering with special noise rejection circuitry
    • Environmental Output: signal sent if a degradation in environmental conditions is detected (e.g., thickening fog) to prevent false alarms
    • Audible beam alignment (buzzer), beam strength indicator, and laser alignment for faster transmitter/receiver alignment
    • Voltage testing points for fine-tuning beam alignment
    • Non-polarized input voltage: 12–24 VDC/VAC
    • Delay time adjustable for nearly all applications

    Specifications

    Spec E-964-165Q E-964-330Q E-964-495Q E-964-660Q
    Max. range (outdoor) 165' 330' 495' 660'
    Max. range (indoor) 330' 660' 990' 1320'
    Current (Tx & Rx) 110mA 115mA 120mA 125mA
    Current (Tx, Rx & heaters) 260mA 270mA 280mA 290mA
    Input Voltage 12~24VAC/VDC (Non-polarized)
    Delay time 50msec~700msec (Variable)
    Detection method All 4 beams simultaneously broken
    Selectable beam frequencies Four (4) channels
    Alarm output Form "C" relay COM/N.O./N.C., 1A @ 125VAC/24VDC
    Tamper output (Tx & Rx) N.C. switch, 1A @ 120VAC
    Environmental output Selectable N.O. or N.C., 1A @ 125VAC/24VDC
    Beam-strength indicator 5 LEDs indicate signal strength, high to low
    Alarm LED (Rx) Red LED ON when beam is broken or Tx/Rx misaligned
    Power LED (Rx & Tx) Green LED ON when power is connected
    Laser wavelength 650nm
    Laser output power ≤5mW
    Alignment angle Horizontal: ±90°, Vertical: ±15°
    Operating temperature -13° to 131° F (-25° to 55° C)
    Heater operation Turns ON at 41°F (5°C), OFF at 77°F (25°C)
    Weight 5.7 lbs. (2.6kg)
    Ingress protection IP55
    Case PC resin
    Dimensions 15-1/4" x 4-7/16" x 4-11/32" (387 x 113 x 110 mm)

    Laser Beam Alignment

    Alignment is easier than ever with the built-in laser alignment system — the audible buzzer, beam-strength LEDs, and laser make transmitter/receiver alignment fast and precise.

    Manufacturer

    SECO-LARM U.S.A., Inc., 16842 Millikan Avenue, Irvine, CA 92606. Tel: 1.949.261.2999 (CA & Int'l), 1.800.662.0800, Fax: 1.949.261.7326. Email: info@seco-larm.com, Website: www.seco-larm.com.

    The SECO-LARM policy is one of continual development. SECO-LARM reserves the right to change prices and specifications without notice, and is not responsible for misprints.