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Wireless Smoke Alarm Dahua HY-SA21A-W2(868)

Dahua Wireless System
Product reference: BSHY-SA21A-W2(868)

> Split-spectrum sensor technology 

> Test and silence features in one single button 

> Loud sound output over 85 dB(A) at 3 meters 

> Low quiescent current consumption 

> Surface-mount device (SMD) circuit board design 

> Low battery warning signal

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At stores prices may vary
Price:
€74.58
€61.64 tax excl.
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Product information

Dahua Wireless Smoke Alarm provides battery-powered smoke detection and alarm functions within a single unit. Advanced electronics in conjunction with a photoelectric smoke sensing chamber provide early detection of smoke and high immunity against unwanted alarms. This kind of smoke alarm does not require a mains supply and is suitable for general residential applications. Timely notification of the smoke alarm can be displayed on DMSS App in real time.

 

Working Principle

Collection Type

Smoke

Sampling Period

10 s

Sensor Type

Photoelectric

Alarm

Alarm Type

Smoke alarm, fault warning, low battery warning

Alarm Volume

85dB–90dB(A) at 3 m (9.84 ft)

Alarm Mode

Visual and audible alarm

Silence Function

Yes

Silence Duration

About 12 min

Alarm Response Threshold

0.2 dB/m - 0.3 dB/m

Basic Parameters

Indicator Light

Red and green LED indicator

Led Instructions

Standby: Green indicator flashes once per minute
Alarm: Red indicator flashes once per second
Fault: Red indicator flashes once per minute

Low battery warning: Red indicator flashes once per minute

Coverage Area

When the height of the space is less than 8 m (26.25 ft), the protection area of a device is 20 m2–40 m2

Power Supply

Battery Life

3 year

Operating Voltage

3V CR123A lithium battery (replaceable)

Operating Current

Monitoring current: ≤ 35uA
Alarm current: ≤ 35mA

Operating Ambient

Operating Environment

Indoor

Operating Temperature

-10°C to +55°C (+14°F to +131°F)

Operating Humidity

≤ 95% RH (non condensing)

Appearance

Color

White

Casing

ABS

Dimensions

φ98mm × H43.1mm (φ3.85" × H1.70")

Weight

140 g (0.30 lb)

Installation

Ceiling Mount

Certifications

Certifications

TÜV and CE listed

Compliance Standard

EN 14604:2005+AC:2008

Wireless

Carrier Frequency

868 MHz–868.3 MHz

Communication Distance

Up to 1000 m (3280.84 ft) in an open space

Communication Mechanism

Two-way

Frequency Hopping

Yes

Encryption Mode

AES128

Sertificates

Manufacturer

Dahua Technology is a world-leading video-centric AIoT solution and service provider. With its ‘Dahua Think#’ corporate strategy, Dahua Technology focuses on two core businesses: City and Enterprise. The company firmly strengthens its technological strategies that include AloT and IoT digital intelligence platforms, comprehensively promoting the digital intelligence upgrading of cities and enterprises based on customer needs, and creating more value for the digital-intelligent transformation of various industries.

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