Bosch EN1261HT Specsheet
Intrusion Alarm Systems | EN1261HT PIR Motion Sensor-Transmitter (High-traffic areas)
EN1261HT PIR Motion Sensor-Transmitter
(High-traffic areas)
www.boschsecurity.com
u 15.2 m x 15.2 m(50 ft x 50 ft) coverage
u Automatic supervision of radio link
The EN1261HT PIR Motion Sensor Transmitter is
appropriate for commercial and high-end domestic
applications, providing the most cost-effective solution
for reducing installation expenses. The rounded cover
blends into the environment and is suitable for
different installation design needs. It also offers a
variable sleep time to extend the battery life in hightraffic applications. It is equipped with an integrated
sensor to meet the needs of every indoor installation.
Advanced signal processing recognizes human
signature size and movement, reducing false alarms.
Advanced microprocessor technology provides
excellent catch performance.
System overview
Powered by Inovonics
The Inovonics EchoStream platform, powered by
Inovonics wireless mesh network technology, ensures
superior range, reliability, and scalability for
commercial applications. Using a wide range of
transmitters and repeaters, this proven technology
u Low power consumption
u Highly sensitive to moving infrared radiation
u Immunity to Radio Frequency Interference (RFI),
vibration, static, lightning, and ambient temperature
changes
provides flexibility and performance to meet the most
stringent requirements. This exclusive protocol is
available only on Inovonics EchoStream products.
Wireless 900 MHz Band
The Inovonics EchoStream platform sends redundant
information on several multi-frequency channels within
the FCC Part 15 900 MHz band, providing superior
range and reliability. In comparison, systems that use a
single frequency technology can only send information
on one narrow band channel. Any interference within
the band can cause missed signals. With wireless
registration, it is easy to add this technology to any
application.
Functions
Battery Sleep Time
Designed specifically for wireless applications, this PIR
has a maximum sleep time of 180 sec recommended
for most installations. The sleep time can be set to 15
sec or 30 sec for six activations before returning to its
180 sec sleep time. Setting the shorter sleep times
can shorten battery life.
0 m
0 m
2 m
16 m
2 m
4 m
14 m
4 m
6 m
6 m
12 m
0 ft
52 ft
13 ft
8 m 10 m
12 m
13 ft 26 ft 39 ft
10 m
8 m
14 m
16 m
52 ft
39 ft
26 ft
85
o
0 m
0 m
2 m
2 m
4 m 6 m
0 ft
7.9 ft
8 m 10 m
12 m
13 ft 26 ft 39 ft
14 m
16 m
52 ft
4 m
13 ft
2.4 m
50 ft
15.2 m
| EN1261HT PIR Motion Sensor-Transmitter (High-traffic areas)
2
Supervision
The cover tamper and battery activity are supervised.
Monitoring helps ensure reliable operation.
Wall and Cover Tampers
The optional wall tamper switch provides increased
security and is ideal for high end residential
applications. The wall tamper switch notifies the
system when the transmitter is removed from its
mounted surface. The cover tamper switch notifies the
system when an intruder attempts to remove the
sensor cover.
Pet Immunity
It is immune to pets up to 15 kg (33 lb) in weight and
30.5 cm (12 in.) in height.
Certifications and approvals
Side View: 2.4 m x 15.2 m (7.9 ft x 50 ft)
Parts included
Quantity Component
1 Sensor‑transmitter with cover and wall tamper
1 3.0 V lithium battery
Inovonics Wireless Corporation holds the following approvals:
FCC Conforms to FCC Part 15 regulations
Installation/configuration notes
Compatibility Information
The EN1261HT PIR Motion Sensor Transmitter is
compatible with the following products:
Receivers
EN4016SK Survey Receiver
EN4200 Serial Receiver
EN4204R LED Receiver
Repeater
EN5040‑T High‑ power Repeater
Mounting Height and Coverage Patterns
Mount the sensor‑ transmitter at a height between 2.1
m and 2.7 m (7 ft to 9 ft).
The coverage patterns for the standard lens are as
follows:
EN1261HT Standard Coverage
Technical specifications
Electrical
Power: 3.0 V, 2.2 Ah
Battery Replacement: BAT610 High-traffic PIR Replacement
Battery
Battery Life (Average): 4 years. Typical battery life shown is for
supervised operation using
recommended check-in times. The
battery life of a PIR sensor is highly
dependent on traffic in its coverage area.
Sleep Time: Variable - has a maximum sleep time of
180 sec; choosing lower sleep times can
shorten battery life.
Environmental
Relative Humidity: Up to 90%, non‑condensing
Temperature (operating): -20°C to +60°C
(-4°F to +140°F)
Mechanical
Dimensions: 11.4 cm x 6.4 cm x 4.1 cm
(4.5 in. x 2.5 in. x 1.6 in.)
Top View: 15.2 m x 15.2 m (50 ft x 50 ft)
Transmission Characteristics
Frequency: 902 MHz to 928 MHz
Radio Frequency
Interference (RFI)
Greater than 30 V/m for frequencies
between 26 MHz and 1 GHz.
Immunity:
Trademarks
Trademark names are used throughout this document.
In most cases, these designations are claimed as
trademarks or registered trademarks in one or more
countries by their respective owners. Rather than
placing a trademark symbol in every occurrence of a
trademark name, Bosch Security Systems, Inc. uses
the names only in an editorial fashion and to the
benefit of the trademark owner with no intention of
infringing the trademark.
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