Bosch 8-Dec - Manual (Page 210)

202 | Detectors and Accessories | Motion Long Range
DS720i Long Range TriTech
PIR Detector (10.525 GHz)
Features
▶ Supervised microwave and PIR
▶ Anti-masking with spray detect
▶ Motion monitor
▶ Motion Analyzer II
▶ Field-changeable mirrored optics
The wall or ceiling mount DS720i TriTech ® PIR and
Microwave Detector covers up to 91 m (300 ft). Motion
Monitor and Anti-masking protection provides coverage
integrity. Field replaceable mirrored optics and three
different coverage patterns provide installation flexibility.
Functions
Alarm Memory
• Indicates stored alarms for use in multiple unit
applications by latching the alarm LED.
• Controlled by a switched voltage from the control
panel.
Signal Processing
Uses passive infrared and microwave technologies to
provide an alarm condition when both fields of protection
are simultaneously activated. Alarm signals must meet the
signaling requirements of both technologies to activate an
alarm. Adjustable PIR and microwave sensitivity.
PIR Signal Processing
Uses Motion Analyzer II multiple thresholds and timing
windows to analyze timing, amplitude, duration, and
polarity of signals to make an alarm decision. Will not alarm
on extreme levels of thermal and illumination disturbances
caused by heaters and air conditioners, hot and cold drafts,
sunlight, lightning, and moving headlights. Two sensitivity
settings are provided.
Microwave Signal
Uses pattern recognition circuitry to identify and ignore
repetitive false alarm sources. Adaptive processing adjusts
to background disturbances to reduce false alarms while
maintaining catch performance.
Test Features
High-efficiency walk test LED is visible throughout the
coverage pattern (reducing installation time). LED flashes
to indicate a trouble condition. Internal noise voltage test
pins use standard analog meter to provide precise pattern
location and background disturbance evaluation. Separate
test LEDs for PIR and microwave activation. Alarm LED can
be controlled remotely.
Supervised Microwave and PIR
Patented fully supervised microwave and PIR circuitry
provides single technology coverage in the event the
microwave subsystem fails. Use the memory circuit to force
a self-test at anytime.
Anti-masking With Spray Detect
Selectable to provide a microwave supervision trouble
signal if microwave reflective material (metal, wood,
plastics) is placed within 30.5 cm (1 ft) of the detector. IR
Anti-masking feature detects objects placed to cover the
detector or sprayed on the lens area. Anti-mask sensitivity
is selectable, and Anti-mask activation can be delayed to
reduce false alarms.
Motion Monitor
Switch-selectable four or thirty day Motion Monitor
supervision timers provide the detector with the ability to
verify that there is a clear view of the protection area and
that it has not been blocked.
Certifications and Approvals
Region Certification
Poland CNBOP
USA UL ANSR: Intrusion Detection Units (UL639)
FCC ESVDS720I
China CCC 2004031901000037
Brazil ANATEL 0844-03-1855
Singapore iDA LPREQ-S0156-2004
Bosch Security Systems B.V. www.boschsecurity.com
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