• Smoke Detector System 1
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Smoke Detector

Smoke Detector

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Loading Port:
China Main Port
Payment Terms:
TT or LC
Min Order Qty:
500 pcs pc
Supply Capability:
10000 pcs per month pc/month

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Quick Details of Smoke Detector

Place of Origin:

China (Mainland)

Model Number:

ACJ425

Usage:

Smoke

Product name:

Optical Standalone 9V optical smoke detector

Color:

white

Type:

standalone

Ambient humidity:

≤95% RH

Certificates:

CE, RoHS, and EN14604

Unit size:

140 x 41mm

Sensor:

smoke fire

 

Specifications of Smoke Detector

1.VdS,LPCB approval
2.DC 9V battery
3.10 years lithium battery
4.Loud 85dB alarm signal

Optical smoke detector ,under BSI approval, and can be calibrated into either UL, VDS, NF Standards. This smoke detector features UL-approved Photoelectric sensing components with precise smoke detection. and long life (18 months) 9V battery operation (9V UltralifeLithium battery model for 10-year life is available too).

The Technical Parameters of Smoke Detector

 

Power supply

9V DC Block battery/PP3

Static current

≤10µA

Alarm current

16mA

Humidity

0to95%(40±2°C),no 
condensing or icing

Quiescent current

8µA

Operating temperture

minus10°C ~50°C

Alarm decibel

≥85dB at 10feet(3 meters)

Test button

to verify the proper
 functioning of smoke alarm

Low voltage warning

Smoke alarm beeps every
 40 seconds for 30 days(minimum)to indicate a need of battery replacement 

Smoke sensitivity

0.086dB/m to 0.140dB/m

 

Packaging & Delivery

Packaging Detail:neutral box, color box, double blister,Display box

Delivery Detail:25days

 

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Sassylas, It depends on their age, there were some hard-wired ones that came out years ago, that didn't have battery back-up. They were quickly discontinued and replaced with battery backed type. Smoke detectors aren't made to last a lifetime anyway, they're supposed to be replaced after 10 years. But, I don't think to many people will be doing that. You should be able to twist the smoke detector to release it from its' mount, (most are counter-clockwise). The label will tell you if it's ac, or ac/dc.
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No capacitor in the universe will hold a charge for two months. Much less power something for two months. It's not likely to be a second backup battery, because the chirp would happen as soon as you removed the main batteries. You're probably hearing another detector, or hallucinating.
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It appears to be at least 5 times a day. In his favor I do have to admit I was impressed that he actually used the term Paulianity in one of his posts a while back - I was surprised he didn't consider it pejorative. Then again, maybe I shouldn't have been surprised
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It is better to have good smoke exhaust and exhaust air. But this is usually not much.
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1. Manufacturer Overview

Location Fujian, China
Year Established 2008
Annual Output Value Above US$ 1 Million
Main Markets North and South America, Africa and the Middle East and Southeast Asia
Company Certifications

2. Manufacturer Certificates

a) Certification Name  
Range  
Reference  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port Shengzhen
Export Percentage 40%
No.of Employees in Trade Department 200 People
Language Spoken: English; Chinese; Spain; Alabic
b)Factory Information  
Factory Size: Above 60,000 square meters
No. of Production Lines 4
Contract Manufacturing OEM Service Offered; Design Service Offered
Product Price Range Average

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