QDT500H Wired curtain detector
Infrared-microwave dual-technology curtain motion detector with anti-masking
Advanced perimeter protection
The QDT500H wired curtain detector from the QTech line uses dual infrared and microwave technology to deliver precise protection for indoor environments. With a 3-meter curtain detection range and a 70° angle, it is ideal for monitoring access points such as doors and windows, ensuring targeted intrusion detection.
Reliable performance and smart functionality
The QDT500H offers advanced features such as digital signal analysis, programmable sensitivity, and automatic temperature compensation. The “AND” and “Smart-OR” operating modes ensure accurate alarm reporting: the former requires simultaneous detection by both sensors, while the latter triggers an alarm even in the case of prolonged detection by a single sensor. Equipped with anti-masking protection, the device is certified to Grade 2 in accordance with EN50131-2-4, ensuring full protection even against masking attempts.
This product is available in the following versions
QDT500H/B
Dual-technology curtain motion detector, housed in a white enclosure.
QDT500H/M
Dual-technology curtain motion detector, housed in a brown enclosure.
Technical specifications
| QDT500HB | QDT500HM | |
| Power supply voltage | 10 ~ 16 V | 10 ~ 16 V |
| Current draw | 25 mA | 25 mA |
| Protection | Anti-opening - Anti-masking | Anti-opening - Anti-masking |
| Coverage | 3 m | 3 m |
| Detection angle | Frontal 10° - Lateral 70° | Frontal 10° - Lateral 70° |
| Temperature range | - 25 + 50 °C | - 25 + 50 °C |
| Environmental class | I I | I I |
| Dimensions | 32 x 114 x 32 mm | 32 x 114 x 32 mm |
| Weight | 66 g | 66 g |
| Color | White | Brown |
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keyboard_arrow_down Installation Manual - Materials (8)
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keyboard_arrow_down Data Sheet - Materials (6)
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