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High Security Sensor | Sentinel | HSI Sensing

Supplier: Koloona Industries

Sentinel high security sensor is compact and tamper-proof.

Price Guide: POA

Sentinel is more than 50 percent smaller than comparable sensors, allowing it to be inconspicuously mounted virtually anywhere. Sentinel is also smart, inside and out. From its industrial grade aluminum body to its adaptive digital processing, Sentinel’s intelligent design ensures security across a wide range of applications.



  • Operating Air Gap: 0.25″ (also called Max Gap or Actuation Gap Maximum. The optimal sensor actuator mounting gap is 0.25 inches. The minimum sensor actuator mounting gap of 0.00″ is set to prohibit various defeat attacks.)
  • Operating Temperature Range: -20 degrees C to 85 degrees C



  • Housing: Aluminum Case, Silver Gray Bead Blasted
  • Wire Lead: #22 AWG wire with 36″ Armored Cable Standard
  • Dimensions: 1.375″ x 1.375″ x 1.0″ 



  • NEMA Type 6 Compliant
  • RoHS Compliant
  • Anti-Tamper
  • Insensitive to Vibration or Shock
  • Reversed Battery Protection
  • No Gap Hysteresis
  • Solid-State Reliability
  • Resistant to Internal and External Magnetic Defeat
  • Undergoing Certification Testing

Learn more about this High Security Sensor | Sentinel | HSI Sensing