Intrusion Alarm Systems | DS820 and DS835 Series TriTech Motion Detectors
DS820 and DS835 Series TriTech Motion
Detectors
u Artificial intelligence
u Five detection layers including look down zones
u Five mounting options
u Selectable PIR sensitivity
u Vertical and horizontal pointability
Microwave Signal Processing
The DS820 and DS835 Series Detectors provide
immunity to false alarms caused by pets. Passive
Infrared and microwave processing provides excellent
catch performance with freedom from false alarms.
Pattern recognition circuitry identifies and ignores
repetitive false alarm sources. Adaptive processing
adjusts to background disturbances. This helps to
reduce false alarms while maintaining catch
performance.
Frequency
9.9 GHz
Model
DS820-B, DS820B-FRA, DS820B-ITA,
DS835-B, DS835B-FRA, DS835B-ITA, DS835C
Motion Analyzer II Processing
Motion Analyzer II uses multiple thresholds and timing
windows to analyze timing, amplitude, duration, and
polarity of signals to make an alarm decision. It 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. Provides three sensitivity
settings.
10.475 GHz
10.525 GHz
DS820CH-SWI, DS835CH-SWI
DS820, DS820-BEL, DS820-CAN, DS820-NEL,
DS835, DS835-BEL, DS835-CAN, DS820-NEL
10.687 GHz
DS820-A, DS835-A
Functions
Test Features
Signal Processing
Externally visible alarm LED flashes to indicate a
trouble condition.
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.
Draft and Insect Immunity
The sealed optical chamber provides immunity to
drafts and insects.
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3 | DS820 and DS835 Series TriTech Motion Detectors
Ordering information
0 m
11 m
7.5 ft
0 ft
2.3 m
DS820 Detector (10.525 GHz)
Operates at 10.525 GHz. Provides 6 m x 6 m (20 ft x
20 ft) coverage, five detection layers, five mounting
options, selectable sensitivity, draft and insect
immunity, and pet immunity.
0 m
35 ft
0 ft
Order number DS820
Side View
DS835 Broad Coverage 11 m x 11 m (35 ft x 35 ft)
Technical specifications
DS820‑A Detector (10.687 GHz)
Operates at 10.687 GHz. Provides 6 m x 6 m (20 ft x
20 ft) coverage, five detection layers, five mounting
options, selectable sensitivity, draft and insect
immunity, and pet immunity.
Enclosure Design
Dimensions:
12.7 cm x 7.1 cm x 5.6 cm
(5 in. X 2 in. X 2.2 in.)
Order number DS820-A
DS820‑B Detector (9.9 GHz)
Material:
High impact ABS plastic enclosure
Operates at 9.9 GHz. Provides 6 m x 6 m (20 ft x 20 ft)
coverage, five detection layers, five mounting options,
selectable sensitivity, draft and insect immunity, and
pet immunity.
Environmental Considerations
Temperature
(Operating):
-40°C to +49°C (-40°F to +120°F)
For UL Certificated installations, 0°C to +49°C
(+32°F to +120°F)
Order number DS820-B
DS820‑BEL Detector (10.525 GHz)
Radio
No alarm or setup on critical frequencies in the range
from 26 MHz to 950 MHz at 50 V/m.
Operates at 10.525 GHz. For use in Belgium. Provides
6 m x 6 m (20 ft x 20 ft) coverage, five detection
layers, five mounting options, selectable sensitivity,
draft and insect immunity, and pet immunity.
Order number DS820-BEL
Frequency
Interference
(RFI)
Immunity:
DS820-A and
DS835-A:
Comply with Environmental Class II (EN50130-5)
DS820‑CAN Detector (10.525 GHz)
Operates at 10.525 GHz. For use in Canada. Provides 6
m x 6 m (20 ft x 20 ft) coverage, five detection layers,
five mounting options, selectable sensitivity, draft and
insect immunity, and pet immunity.
Mounting Considerations
Location:
Surface or corner mount. Mounts to
standard single gang electrical box.
Order number DS820-CAN
Height:
2 m (6.5 ft)
DS820‑NEL Detector (10.525 GHz)
Internal Pointability:
+2° to -10° vertical, ±10° horizontal
(unit is shipped with look down lens
masked)
Operates at 10.525 GHz. For use in the Netherlands.
Provides 6 m x 6 m (20 ft x 20 ft) coverage, five
detection layers, five mounting options, selectable
sensitivity, draft and insect immunity, and pet
immunity.
Outputs
Alarm:
Normally-closed reed relay rated at 3.0 W, 125 mA at
28 VDC for resistive loads and protected by a 4.7 Ω
resistor in the common C leg.
Order number DS820-NEL
DS820B‑FRA Detector (9.9 GHz)
Operates at 9.9 GHz. For use in France. Provides 6 m x
6 m (20 ft x 20 ft) coverage, five detection layers, five
mounting options, selectable sensitivity, draft and
insect immunity, and pet immunity.
835C Form C relay rated at 5 V, 300 Ω.
Tamper:
Normally-closed tamper switch. Contacts rated at
28 VDC,125 mA maximum.
Order number DS820B-FRA
Power Requirements
DS820B‑ITA Detector (9.9 GHz)
Current Draw:
16 mA at 12 VDC
9 VDC to 15 VDC
Operates at 9.9 GHz. For use in Italy. Provides 6 m x 6
m (20 ft x 20 ft) coverage, five detection layers, five
mounting options, selectable sensitivity, draft and
insect immunity, and pet immunity.
Voltage (Input):
Order number DS820B-ITA
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4 | DS820 and DS835 Series TriTech Motion Detectors
DS820CH‑SWI Detector (10.475 GHz)
Operates at 10.475 GHz. For use in Switzerland.
Provides 6 m x 6 m (20 ft x 20 ft) coverage, five
detection layers, five mounting options, selectable
sensitivity, draft and insect immunity, and pet
immunity.
DS835‑NEL Detector (9.9 GHz)
Operates at 9.9 GHz. For use in the Netherlands.
Provides 11 m x 11 m (35 ft x 35 ft) coverage, five
detection layers, five mounting options, selectable
sensitivity, draft and insect immunity, and pet
immunity.
Order number DS820CH-SWI
Order number DS835-NEL
DS835 Detector (10.525 GHz)
DS835CH‑SWI Detector (10.475 GHz)
Operates at 10.475 GHz. For use in Switzerland.
Provides 11 m x 11 m (35 ft x 35 ft) coverage, five
detection layers, five mounting options, selectable
sensitivity, draft and insect immunity, and pet
immunity.
Operates at 10.525 GHz. Provides 11 m x 11 m (35 ft x
35 ft) coverage, five detection layers, five mounting
options, selectable sensitivity, draft and insect
immunity, and pet immunity.
Order number DS835
Order number DS835CH-SWI
DS835‑A Detector (10.687 GHz)
Operates at 10.687 GHz. Provides 11 m x 11 m (35 ft x
35 ft) coverage, five detection layers, five mounting
options, selectable sensitivity, draft and insect
immunity, and pet immunity.
DS835C Detector (10.525 GHz)
Includes a Form C Relay. Operates at 10.525 GHz.
Provides 11 m x 11 m (35 ft x 35 ft) coverage, five
detection layers, five mounting options, selectable
sensitivity, draft and insect immunity, and pet
immunity.
Order number DS835-A
DS835‑B Detector (9.9 GHz)
Order number DS835C
Operates at 9.9 GHz. Provides 11 m x 11 m (35 ft x 35
ft) coverage, five detection layers, five mounting
options, selectable sensitivity, draft and insect
immunity, and pet immunity.
Swiveling B335-3 low-profile mount
Swiveling, low-profile, plastic mount for wall mounting.
The vertical swivel range is +10° to -20°, while the
horizontal swivel range is ±25°. Available in triple
packs.
Order number DS835-B
DS835‑BEL Detector (9.9 GHz)
Order number B335-3
Operates at 9.9 GHz. For use in Belgium. Provides 11
m x 11 m (35 ft x 35 ft) coverage, five detection layers,
five mounting options, selectable sensitivity, draft and
insect immunity, and pet immunity.
B800 Ceiling‑mount Bracket
Surface mounts detectors to the ceiling. The vertical
pivot range is +7° to -16°; the horizontal pivot range is
±45°. Do not use for pet applications.
Order number B800
Order number DS835-BEL
DS835‑CAN Detector (9.9 GHz)
Operates at 9.9 GHz. For use in Canada. Provides 11 m
x 11 m (35 ft x 35 ft) coverage, five detection layers,
five mounting options, selectable sensitivity, draft and
insect immunity, and pet immunity.
Order number DS835-CAN
DS835‑FRA Detector (9.9 GHz)
Operates at 9.9 GHz. For use in France. Provides 11 m
x 11 m (35 ft x 35 ft) coverage, five detection layers,
five mounting options, selectable sensitivity, draft and
insect immunity, and pet immunity.
Order number DS835B-FRA
DS835B‑ITA Detector (9.9 GHz)
Operates at 9.9 GHz. For use in Italy. Provides 11 m x
11 m (35 ft x 35 ft) coverage, five detection layers, five
mounting options, selectable sensitivity, draft and
insect immunity, and pet immunity.
Order number DS835B-ITA
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5 | DS820 and DS835 Series TriTech Motion Detectors
Represented by:
Americas:
Europe, Middle East, Africa:
Bosch Security Systems B.V.
P.O. Box 80002
5617 BA Eindhoven, The Netherlands
Phone: + 31 40 2577 284
Fax: +31 40 2577 330
Asia-Pacific:
Robert Bosch (SEA) Pte Ltd, Security
Systems
11 Bishan Street 21
Singapore 573943
Phone: +65 6571 2808
Fax: +65 6571 2699
China:
America Latina:
Bosch Security Systems, Inc.
130 Perinton Parkway
Fairport, New York, 14450, USA
Phone: +1 800 289 0096
Fax: +1 585 223 9180
Bosch (Shanghai) Security Systems Ltd. Robert Bosch Ltda Security Systems Division
201 Building, No. 333 Fuquan Road
North IBP
Changning District, Shanghai
200335 China
Phone +86 21 22181111
Fax: +86 21 22182398
Via Anhanguera, Km 98
CEP 13065-900
Campinas, Sao Paulo, Brazil
Phone: +55 19 2103 2860
Fax: +55 19 2103 2862
© Bosch Security Systems 2013 | Data subject to change without notice
2614733323 | en, V1, 06. Jun 2013
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