Protech Technologies SDI-77XL-DIR-LT Outdoor Motion Sensor with Direction Control, Ladders & Towers, Narrow Angle, 50'

  • JMAC SKU: PROTECH-SDI-77XL-DIR-LT
Protech Technologies SDI-77XL-DIR-LT Outdoor Motion Sensor with Direction Control, Ladders & Towers, Narrow Angle, 50'
$1,225.00
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The LT (Ladder and Tower) Version of PIRAMID is an Outdoor Dual Technology Motion sensor specifically designed to protect against intruders climbing up ladders and towers. The PIRAMID LT Version features PROTECHs proprietary Stereo Doppler Microwave Technology combined with Passive Infrared. The sensor is configured so that both technologies must activate simultaneously for a sensor alarm. The Direction Control motion detector switch can be set to one of three detection modes: 1) Approach Mode Sensor detects only approaching targets 2) Recede Mode Sensor detects only receding targets 3) Both Mode Sensor detects both approaching and receding targets

For protecting ladders and towers The PIRAMID LT is generally mounted at the top of the structure looking downward. The Direction Control motion detector switch is set in the Approach mode so that the sensor detects only approaching targets, i.e. someone climbing up the ladder or structure.

UPC: 999999293895
Also known as: PK-SDI77XLDL, SDI77XLDIRLT

Technical Specifications:
  • Input Voltage: 8.5 to 20 VDC
  • Current Consumption: 150 mA @ 12 VDC (LEDs off)
  • RF Power Density: 120 uW/cm2 max at the face of the unit
  • Operating Temperature: -30F to 130F -34C to 54C
  • Operating Humidity: 0 to 100% Relative Humidity.
  • Relay contact Rating: 0.1A, 50 V
  • Housing Dimensions: 6 1/2 L x 5 1/4 W x 3 1/2 H
  • Shroud Dimensions: 7-1/2" x 6" x 4"
  • Microwave Frequency: Factory Adjusted to one of the following frequencies: 10,525 MHz USA, Other International Frequencies Also Available.


For more information about the Protech Technologies SDI-77XL-DIR-LT, please contact us.
  • Narrow Angle
  • 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.
  • STEREO DOPPLER SUPERVISION: A component failure will cause the sensor to lock -in alarm.
  • 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 LEDS: Alarm and environmental caution LEDs for both technologies are displayed on the face of the sensor. An internal switch can disable both Master and Analytic LEDs .
  • 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 sensors face and provides maximum protection from ice, snow, wind and sun loading.


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