Datasheet > 2451

2451

更新时间： 2024-11-30 06:24:39

品牌	Logo	应用领域
GAMEWELL-FCI		光电
页数	文件大小	规格书
2页	60K
描述
Photoelectronic Detector

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2451 数据手册

2451

SYSTEM SENSOR

PHOTOELECTRONIC

SMOKE DETECTOR

DESCRIPTION

The System Sensor 2451 Series photoelectronic smoke de-

tectors are specifically designed to meet the performance re-

quirements of fire detection/alarm systems. The 2451 and

2451T detectors use state-of-the-art optical sensing cham-

bers and are designed so that LED failure will not cause an

alarm. The detectors are designed to provide open area detec-

tion and when installed in a two-wire base are compatible

with FCI fire alarm control panels. The detectors operation

and sensitivity can be tested in place. The Model 2451T unit

has the same specifications as the Model 2451, but also fea-

tures a built-in fixed temperature (135^oF) thermal detection

unit.

The detectors are of plug-in construction and plug into the

same base as the 1451 series ionization smoke detectors,

making both models interchangeable. Bases are available for

two-wire, four-wire, and 120 VAC four-wire operation.

Two visible LEDs on each detector flash every ten seconds

indicating that power is being applied to the detector. The

LEDs light steadily when the detector is in alarm. A remote

LED annunciator is available as an optional accessory.

The 2451 is ULListed for mounting inside ducts up to a ve-

locity of 3,000 FPM.

Sensitivity testing is performed either by applying a test

magnet or inserting a calibrated test card according to the test

procedures. Field metering of detector sensitivity may be

performed with the aid of a voltmeter and Test Kit,

MOD 400R.

FEATURES

· Easy plug-in of the Head to Base

· Built-in Tamper-resistant Feature

· Built-in Test Switch

· Built-in Visual Alarm Indicators

· 360 View Angle Of Alarm LEDs

· Compatible with FCI Control Panels

· Field Metering of Detector Sensitivity

APPROVALS

· Removable Insect Screen and Cover

for Field Cleaning

· Sealed against Dirt, Insects, and

Back Pressure

· Insect-resistant screening

(.020"/.508 mm openings)

TECHNICAL SPECIFICATIONS

Nominal sensitivity

Operating voltage

Operating temperature

Operating humidity

Air velocity

3.0 %/ft.

8.5 - 35 VDC (24 VDC nominal)

32^oto- 120^oF (0^oto 49^oC)

0 % - 93 % relative humidity

3,000 feet per minute maximum

Off-white flame retardant plastic

6.2 inches (15.7 cm)

Construction

Diameter

Height

3.3 inches (8.2 cm)

Weight

0.5 lb. (277 g)

16 Southwest Park, Westwood, MA 02090 USA TEL: (781) 471-3000 FAX: (781) 471-3099

An ISO 9001 Certified Company

9020-0585/Ver. 1.1

中文翻译

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