IR-TEC International Ltd.

OS-550DT

Low Voltage Dual-Tech Occupancy Sensor

The OS‑550DT is an advanced dual technology occupancy sensor that combines passive infrared and high frequency doppler (HFD) sensor in one housing.

By intergrating two different sensing technologies with intelligent MCU firmware control logic, the OS‑550DT delivers many advanced features and second-to-none occupancy sensing capabilities.

Features
Downloads

18‑26 VAC/DC low voltage power operation
Combined PIR and HFD sensors in one
Programmable ON and OFF delays
SmartDelay automatic setting technology
Disabled audible Delay End Warning
Walk through mode for passage occupancy
ECG output for 0‑10V dimmer control
Programmable LUX level threshold setting
Manual override signal input terminal
Multi-directional mounting bracket included

Product Information

OS-550DT Installation Instruction

Features

18‑26 VAC/DC low voltage power operation
Combined PIR and HFD sensors in one
Programmable ON and OFF delays
SmartDelay automatic setting technology
Disabled audible Delay End Warning
Walk through mode for passage occupancy
ECG output for 0‑10V dimmer control
Programmable LUX level threshold setting
Manual override signal input terminal
Multi-directional mounting bracket included

Download

Product Information

OS-550DT Installation Instruction

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