The DD669AM is a dual technology ceiling mount motion sensor. It’s 18 curtains offer maximum detection including full undercrawl detection capability throughout a protected area of up to 20m in diameter. The unique mirror optics technology is a step and gliding focus, which creates continuous curtains that never loses track of the intruder.
The DD669AM features “4D signal processing” which makes an effective discrimination between intruder and false alarm signals. Recognizing the diversity in security applications, the DD669AM also features Bi-curtain processing for harsher environments. The combination of mirror optics with 4D signal processing not only provides better detection but also increased stability and rejection of false alarms.
The DD669AM sensors incorporate a unique radar technology that is range controlled and operates on 5.8GHz frequency. The range control means that no nuisance alarms are generated for movements beyond the detection pattern.
The DD669AM motion sensors can be flush mounted with the optional accessory 360FM. The 360FM ensures a neat integration in the ceiling, making only the top part of the sensor visible.
Features
- Dual motion sensor
- Automatic reporting of all masking attempts
- Step & Gliding Focus Multi Curtain mirror optic
- Range controlled radar on S-band
- Plug-in electronics
- Sealed optics
- 4D processing for reduced nuisance alarms
- Selectable coverage pattern using mirror masks
- Additional bi-curtain processing for harsh environment
- No adjustment required for different mounting heights
- Complies with EN50131-2-4 Grade 3
- Several European approvals
- SCEC Approved to SL3 (SEEPL)
Detection Coverage Flexibility
The DD669 provides considerable flexibility by the simple electronic field programming of either 180 or 360 coverage patterns. Further customisation, to allow for false alarm hazards such as heaters, machinery, etc., can be achieved through individual curtain masking enabling the installer to configure the detector to suit the application.
Technical Specification
| Detection range |
20 m |
| Undercrawl protection |
Yes |
| Microwave frequency |
5.8 GH |
| Coverage field of view |
360° with 18 curtains |
| Coverage pattern selection |
Curtain labels |
| Mounting height |
2.5 m to 5 m |
| Power supply |
9 to 15 VDC |
| Current consumption (nom.) |
12 mA |
| Alarm relay (voltage free) |
NC when energised |
| Tamper relay (voltage free) |
NC when cover closed |
| AM relay characteristics |
80 mA at 30 VDC max |
| Remote control lines |
Walk test & Day-Nigh |
| Alarm memory |
Yes |
| Range diameter (selectable) |
20+/-0.5 m, 12+/-0.5 m |
| Dimensions (Ø x D) |
138 x 92 mm |
| Ambient conditions |
-10°C to +55°C; 95% relative humidity |
| -10°C to +55°C; 95% relative humidity |
Optional |
| EN50131-2-4 |
Grade 3 |
| EN50131-2-2 |
Grade 3 |
| SCEC Approved |
SL3 (SEEPL) |
DD669AM Dual/AM Detector with 18 curtains of 20 m NC Relay
Accessories
360FM Ceiling mount bracket for EV600 and DD600 Series
ST400 Pry-off tamper kit
