Dual technology detectors offer the benefits of infrared and microwave (usually) to offer a higher resistance to false alarms – much needed in the light of ACPO 2000 …
Intelligence and elegance
The COSMOS DT series of dual technology detectors from Rokonet (below) includes the RK110, RK115 and RK125 models, especially suitable for harsh residential or commercial environments.

   Using both infrared and microwave channels to improve false alarm immunity, the COSMOS DT range is intended to help solve installation problems. Features include:

  • Microprocessor controlled
  • Patented true temperature compensation
  • Microwave range adjustment
  • Pigmented lenses
  • Creep zone
  • Alternate polarity pulse count
  • Low current consumption
  • High RFI immunity (metal shield)
  • Anti-fluorescent interference signal processing
  • Ceiling & wall/corner mount swivel brackets
  • Memory and form-C relay models available.

The COSMOS DT detectors come with a range of lenses and pet alley inserts.

Creep zone included
Among Pyronix's combined technology range is the EC115DT, with dual element pyro-electric sensor, microwave supervision and creep zone.

   It shares features common to all the company's range, which include: sealed optics, white light filter, surface-mount technology, analogue pulse count 1 and 3, advanced temperature compensation, high quality X-band DRO based microwave, magnetically shielded relay and adjustable detection range from 5 to 15m for both PIR and microwave technologies.

   Both technologies also have the patented Independent Floating Thresholds.

Overcomes interference
Optex Europe has added its dual technology MX series to its indoor detector range, which comprises three products combining microwave and PIR detection in one compact, attractive and easy to install unit.

Aimed at domestic and light commercial applications, the MX-40QZ has a 12m range, the MX-40PT has a similar range with added pet immunity and the MX-50QZ has a 15m range. All have 78 detection zones and spherical lens focused optics giving coverage of 85 degrees.

   The all-digital MX Series also incorporates patented technologies such as Quad Zone Logic, Advanced Digital Filtering and Microwave Area Shaping to keep false alarms to a minimum. Also, an Anti-Crosstalk System overcomes interference from other microwaves when several detectors are in the same area.

Anti-mask technology
The DT 7550CUK dual technology detector from IntelliSense is aimed at high security applications, featuring dual core processing and MaskAlert anti-mask technology. With a 15 x 18m range, it includes uniformity sensitivity optics, white light immunity and bi-directional temperature compensation.

No adjustment is required for two other dual technology detectors. The DT 7235 and DT 725 offer 11 x 12m and 15 x 18m ranges, giving pet immunity up to 100lbs and improved white light immunity.

Pet immune
The PetSmart K-980D PIR/microwave dual technology detector is a 'state-of-the-art' pet immune detector, offering immunity to pets weighing up to 36kg, with 12 x 12m coverage.

   It can be wall or corner mounted for residential and commercial applications and comes with an integral swivel bracket. The K-980D operates with Visonic's True Motion Recognition signal processing and has triple event count protection, advanced system diagnostics and microwave supervision.

Seeing double
Seeing double can be an advantage, according to DSC Security Products: If you double the detection, you double the peace of mind. While some dual technology detectors use a secondary sensing system as a back-up, Force 2 sees double by detecting intruders in two distinct ways (PIR and microwave).

   It is easy to install and is guaranteed to work first time, as it comes 100 per cent factory tested and with a five-year warranty. The detector's small size and streamlined casing blends in unobtrusively with any décor.

Compact design
The Micro-X from Elite Security Products is a combined PIR and microwave detector with look-down lens. Microcontroller-based, it has a compact design, 12 x 12m range and a computerised disturbance filter.

   It also has a microwave sensitivity adjustment trimmer, and can be used solely as a PIR or microwave, as well as the two technologies together. ESP says: "The Micro-X offers stable, reliable detection at an incredible price."

Under no illusion!
Texecom's Mirage features a state-of-the-art PCB antenna with patented harmonic filtering techniques. It also has an advanced microprocessor core using complex software algorithms for responsiveness and reliability.

   Also offered are triple independent LEDs, fully adjustable microwave range, fuzzy logic signal analysis, digital temperature compensation, latch and first-to-alarm indication, neural-based environment learning; remote LED disable; and tamper-proof brackets with cable feed-through.

Advanced research
Optex Europe conducted advanced research into PIR and microwave technology, which resulted in the DX-60. Advancements included Microwave Area Shaping Technology: the DX-60 reduces one of the weak points of microwave detection – the penetration of walls and unwanted detection of movement outside the coverage area.

   Additionally, the detection area has uniform sensitivity which minimises false activations caused by spot movement in the detection area (caused by animals).

   By using Optex Advanced Optical Technology, the DX-60 creates evenly distributed sensitivity throughout the detection area. Accurate focus creates even sensitivity and high resistance to spot temperature changes.

Optex believes the detector, which comes in a compact housing, can satisfy almost every installation requirement.

Adjustable coverage

From Guardall comes the Micra 8, an integrated passive infrared and microwave with adjustable 8m or 4m coverage, described as a cost effective alternative to traditional PIRs. Application Specific Integrated Chip (ASIC) improves reliability; precision microstrip technology produces a highly efficient operation at extremely low power levels and minimum cost; there are separate range adjustments for both technologies; white light filter rejects fluorescent light sources; and it has generous and accessible wiring space. Accessories available include low profile bracket and ceiling mount bracket.

Turbulent environments

Cooper Security’s Scantronic brand includes the 1081 and 1082 Twintec detectors, which combine microwave and PIR technologies for use in turbulent environments. The pair were designed with ease of installation in mind, to save time and cause as little disruption to décor as possible. The coverage pattern of the 1081 is 20m by 90 deg and the 1082 unit is a long-range version with a coverage pattern of 30m by 10 deg – suitable for corridors. Both can be adjusted to suit installation requirements. Features include temperature compensation, microwave supervision and a built-in advanced white light filter. This latter feature minimises false alarms caused by intense white light such as sunlight and car headlights.

Source

Security Installer