Dahua Technology HY-SA20A Handleiding

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·Split-spectrum sensor technology

·Test and hush 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

Smoke Alarm | DHI-HY-SA20A

System Overview

Standalone Smoke Alarm (hereinaer referred to as the device) is

designed to connuously monitor smoke concentraon. Adopng new

split-spectrum sensor and a built-in high-volume buzzer, it responds

quickly and becomes highly sensive with stable performance and low

false alarm. Once the surrounding smoke concentraon reaches the

alarm value, it will promptly send out visual and audible alarm signal to

remind the user to take immediate measures.

DHI-HY-SA20A

Standalone Smoke Alarm

Scene

The device can be widely used in residenal areas such as villas,

apartments and dorms, including reading rooms, living rooms,

bedrooms and hallways.

www.wisualarm.com/en

Technical Specificaon

Working Principle

Collecon TypeSmoke

Sampling Period9 s

Sensor TypePhotoelectric

Alarm

Alarm TypeSmoke alarm, fault alarm, low baery

warning

Alarm Volume85dB (A) at 3 m (9.84 )

Alarm ModeVisual and audible alarm

Silencing FunctionYes

Alarm Response Threshold0.2dB/m-0.3dB/m

Basic Parameters

Indicator LightAlarm, fault and operaon indicator

Led Instructions

Standby: Green indicator ashes once per

minute

Alarm: Red indicator ashes once per second

Fault: Red indicator ashes once per minute

Low baery warning: Red indicator ashes

once per minute

Coverage Area

When the height of the space is less than 8

m (3.28 ), the protecon area of a device is

20 m2–40 m2

Power Supply

Battery Life10 year

Power Source3V CR123A lithium baery (replaceable)

Operating CurrentMonitoring current: ≤ 15uA

Alarm current: ≤ 35mA

Operating Ambient

Operating EnvironmentIndoor

Operating Temperature-10°C to +55°C (+14°F to +131°F)

Operating Humidity≤ 95% RH (non condensing)

Appearance

Color

Casing

Dimensions

Weight

Installation

White

ABS

φ98 mm × H43.1 mm (φ3.85" × H1.70")

136 g (0.30 lb)

Ceiling Mount

Split-spectrum

Smoke Sensing Chamber

Smoke Detecon

Technical Specificaon

Product specificaties