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Detectors and Accessories | Photoelectric Beam | 225
DS422i and DS426i
Dual‑Beam Photoelectric
Detectors
Features
▶
Dual beam detection
▶
Range up to 60 m (200 ft) outdoors, 180 m (600 ft)
indoors
▶
Selectable response time
▶
Small unobtrusive design
The DS422i and DS426i are dual-beam photoelectric
detectors designed for indoor and outdoor applications.
Consisting of a separate transmitter and receiver, they are
designed to activate an alarm when an intruder passes
within the direct line of sight between the transmitter and
receiver.
The D422i has a range of 30 m (100 ft) outdoors or 90 m
(300 ft) indoors. The D426i has a range of 60 m (200 ft)
outdoors or 180 m (600 ft) indoors.
Certifications and Approvals
Region Certification
Europe CE
Poland CNBOP DS422i
DS426i
USA UL ANSR: Intrusion Detection Units (UL639)
China CCC 2003031901000009
Installation/Configuration Notes
Mounting Considerations
Can be surface or pole mounted.
Technical Specifications
Photobeam
DS422i Range Indoor: 90 m (300 ft), Outdoor: 30 m (100 ft)
DS426i Range Indoor: 180 m (600 ft), Outdoor: 60 m (200 ft)
Response Time: Selectable from 50 ms to 700 ms
Enclosure Design
Dimensions: 17.1 cm x 8.2 cm x 8.7 cm
(6.75 in. x 3.25 in. x 3.5 in.)
Material:
Smoked Lexan
®
Environmental Considerations
Temperature (Op-
erating):
-25°C to 55°C (-13°F to 130°F)
Mounting Considerations
Pointability: Adjustable ±90° horizontally, ±24° vertically
Outputs
Relay: Alarm activated Form C with dry contacts rated at 0.5 A maxi-
mum at 30 VAC/VDC
Tamper: Normally-closed with cover in place
Power Requirements
DS422i Receiver Current Draw: 31 mA
DS426i Receiver Current Draw: 31 mA
DS422i Transmitter Current Draw: 10 mA
DS426i Transmitter Current Draw: 27 mA
Voltage (Input): 12 VDC to 28 VDC, non-polarized
Trademarks
Lexan
®
is either a trademark or registered trademark of General Electric
Company in the United States and other countries.
Ordering Information
DS422i Photoelectric Detector
Provides an indoor range 90 m (300 ft), and
an outdoor range of 30 m (100 ft).
DS422i
DS426i Photoelectric Detector
Provides an indoor range of 180 m (600 ft),
and an outdoor range of 60 m (200 ft).
DS426i
www.boschsecurity.com Bosch Security Systems B.V.
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