Dahua DHI-HY-SA20A Автономная дымовая сигнализация

Working Principle

Collection Type

Smoke

Sampling Period

9 s

Sensor Type

Photoelectric

Alarm

Alarm Type

Smoke alarm, fault alarm, low battery warning

Alarm Volume

85dB (A) at 3 m (9.84 ft)

Alarm Mode

Visual and audible alarm

Silencing Function

Yes

Alarm Response Threshold

0.2dB/m-0.3dB/m

Basic Parameters

Indicator Light

Alarm, fault and operation 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 (3.28 ft), the protection area of a device is 20 m2–40 m2

Power Supply

Battery Life

10 year

Power Source

3V CR123A lithium battery (replaceable)

Operating Current

Monitoring current: ≤ 15uA
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

φ98 mm × H43.1 mm (φ3.85" × H1.70")

Weight

136 g (0.30 lb)

Installation

Ceiling Mount

Certification

Certifications

TÜV and CE listed

Compliance Standard

EN 14604:2005+AC:2008