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Protech Technologies SDI-77XL-DIR-LT Outdoor Motion Sensor with Direction Control, Ladders & Towers, Narrow Angle, 50'
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MPN: SDI-77XL-DIR-LT
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JMAC ID: 200414547
The Protech SDI-77XL-DIR-LT is a specialized Ladder & Tower (LT) dual-technology sensor engineered to detect intruders climbing vertical structures such as communication towers, ladders, industrial stacks, and utility masts.
Using PROTECH’s AND-gated Stereo Doppler microwave and passive infrared technologies, the LT version provides highly focused, narrow-angle detection with Lens D, optimized for steep downward-aimed applications.
Factory-configured to use Approach-Only direction control, the SDI-77XL-DIR-LT is designed to detect upward intruder movement while ignoring downward-moving rain, snow, and environmental motion-a critical advantage for elevated outdoor deployments. Each LT model ships with its specialized look-down mounting bracket, and installers may choose optional PH-6 or PH-6JB ladder mount brackets to simplify positioning on both caged and non-caged ladders. Rugged outdoor housing, precise aiming controls, and long-range stability make the SDI-77XL-DIR-LT the preferred solution for vertical-structure intrusion protection.
UPC: 999999293895
Also known as: PK-SDI77XLDL, SDI77XLDIRLT
Technical Specifications:
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For more information about the Protech Technologies SDI-77XL-DIR-LT, please contact us.
- STEREO DOPPLER SUPERVISION: A component failure will cause the sensor to lock -in alarm.
- STEREO DOPPLER MICROWAVE SENSOR: Two receiving channels with the ability to eliminate vibration and periodically moving objects as sources of false alarms.
- DUAL ELEMENT INFRARED SENSOR: Ignores normal temperature variations yet is very responsive to rapid infrared changes created by an intruder.
- MICROPROCESSOR CONTROLLED: Proprietary integrated circuit design provides enhanced digital signal processing for both microwave and passive infrared technologies.
- BALANCED TEMPERATURE COMPENSATION: Stereo Doppler Microwave and Passive Infrared portions automatically adjust detection parameters to
- compensate for losses in range that occur at elevated temperatures.
- Narrow Angle
- DIGITAL RANGE CONTROL: Ten-position digital switch adjusts how far the sensor detects (to its maximum range).
- DIGITAL SENSITIVITY CONTROL: Ten-position digital switch adjusts the amount of movement required to initiate an alarm condition.
- DIRECTION CONTROL SWITCH: Three-position digital switch that controls the direction of movement required for a sensor alarm. The sensor can be set in one of the three modes: 1.Detect only approaching movement, 2.Detect only receding movement and 3.Detect both approaching and receding movement
- MASTER ALARM LED: Displayed on the face of the unit indicating the alarm relay status.
- ANALYTIC LED’S: Alarm and environmental caution LED’s for both technologies are displayed on the face of the sensor. An internal switch can disable both Master and Analytic LED’s .
- WALK-TEST SOUNDER: Optional audible tester to assist in walk-test and initial sensor set-up. The XL-Sounder greatly simplifies the installation as it enables walk-testing and adjustment by a single installer.
- SWIVEL MOUNTING: Multi-directional, Tamper Proof - Tamper switch with terminal connection. All Solid State Relay - User selectable form C relay output. A solid State relay is flexible, silent and more reliable than an electromechanical relay.
- Metal Housing: Rugged, weather-proof housing offers maximum protection against RFI and EMI interference.
- Weather Shroud: Metal hood that routes rain away from sensor’s face and provides maximum protection from ice, snow, wind and sun loading.
- Includes PIR Lens: LENS-D
- Sensor Includes: outdoor look-down housing and shroud with Swivel Mount and PH-6DL look-down mounting bracket
- Sensor includes: 10-position Range & Sensitivity control + LED On/Off switch + 3-position Directional switch
- Optional mounting accessories include: PH-6 or PH-6JB
