Shenzhen Yongchangda Electronics Co., Ltd

The NFS-3030 is a fire alarm control panel (FACP) manufactured by Notifier. It is designed for use in small to medium-sized fire protection systems and provides effective fire detection and alarm notification. The NFS-3030 features a compact design and advanced microprocessor technology, making it easy to install and program. The control panel supports up to 384 points and includes built-in communication options, such as analog dialer and network interfaces, for remote access and system integration. It is compatible with a range of Notifier fire detectors, modules, and accessories, providing versatility and customization for specific fire protection needs. The NFS-3030 is a cost-effective and reliable fire alarm control panel from Notifier.

The NFS2-640 is a fire alarm control panel (FACP) manufactured by Notifier. It is designed for use in medium to large-scale fire protection systems and provides reliable fire detection and alarm notification. The NFS2-640 features a compact design and advanced microprocessor technology, allowing for easy installation and programming. The control panel supports up to 640 points and includes built-in networking capabilities for remote access and system integration. It is compatible with a range of Notifier fire detectors, modules, and accessories, offering flexibility and customization for specific fire protection needs. The NFS2-640 is a feature-rich and reliable fire alarm control panel from Notifier.

SR-812DC-2 is 2-Wire Network Photoelectric smoke & heat alarm

Main features:
1.Power supply non-polar input
2.Infrared photoelectric sensor
3.MCU processing, eliminate false alarm
4. Network LED indicating alarm
5.SMT manufacturer technology, high stability
6.Dustproof, mothproof, anti-light interference design
7.Stainless steel shield in the chamber, anti-RFI(20V/m-1GHz)
8.Execute criterion: GB4715,EN54-7, UL539

CO Alarm
1.Electrochemical CO alarm,Fault signal warning
2.CE ROHS certified CO alarm
3.Test/Hush Button
4.LowBattery alarm.


PW-916 Stand-alone CO Alarm from PEASWAY
This CO alarm could be one of the most advanced designs in detection Carbon Monoxide .Battery powered models last long life (exceeds 3-year period and up to 5-years), It's the perfect choice for detecting dangerous CO poisoning.

Various power input can be manufactured according to customer's special request.

1.CO ALARM Sensor Type: Electrochemical
2. Non-radioactive technology for environmental friendly
3.Power Supply: 4.5V Battery(3*AA)
4.Standby Current: 10uA
5.Alarm Current: 23mA
6.Operation Temperature: 0¡ã- 50¡ã
7.Low battery warning
8.Self-Test Button to verify operation
9.With quick fix mounting bracket for easy installation
10.Silence function with dual led indicator
11.CO Sensitivity meets EN50291 or UL2034
12.Alarm Sound Level: >85dB at 10 feet (3m)
13.Easy to install, move and maintain this co alarm
14.Five years limited warranty for the CO-sensing

Operation Temperature
0 oC to 50 oC

Response Times
At 50 ppm, unit must alarm within 60 ~ 90 mins

At 100 ppm, unit must alarm within 10 ~ 40 mins

At 300 ppm, unit must alarm within 3 mins

Power Source
4.5V BATTERY

Standby Current
10uA

Alarm Current
23mA

Alarm Sound Level
85 decibels at 3 m

Detection Type
Electrochemical

Ambient Humidity
15% to 90% Relative Humidity.

SD13 Smoke Alarm Key Features:
* Worry-free! 10-year sealed-in lithium battery
* Advanced photoelectric sensing technology offers high sensitivity
* Auto-check malfunction
* Low battery warning
* Manual Test & Auto-Reset
* Dustproof, mothproof & Anti-visible light
* Anti-RFI (20V/M-1GHz)

SD13 Smoke Alarm Specifications:
* Sensor Type: Photoelectric
* Alarm Sound: >85dB (3meter)
* Power Supply: DC 3V lithium battery (included)
* Power Supply Life: 10 years
* Alarm Current:

Model No.
SR-820DHS

Operating voltage
9V battery

Interconnection
N/A

Alarm temperature
57

Sensitivity
2.06%ft±1.3%ft

Sound level
85dB/3m

Installation
Wall or Ceiling mounted

Working environment
-10~+50(â?¤95%RH No congelation)

Dimension
128*38mm

"AV voltage: AC 90V-240V 50-60Hz
Battery voltage: 9V rechargeable battery (optional)
Working temperature: 0°C-50°C
Warm-up time: about 180S
Ambient humidity: 10%-95%
Sound level: 85dB / m
Alarm concentration display
Carbon monoxide gas: 100PPM~999MM (±50PPM)
Combustible gas: 0.25%~2% LEL
(2,5500PPM~20,000PPM±1,500PPM)
Alarm: vocal alert and siren alarm"

Description:
Hot wire type sensor
-easy installation and maintenance

-loud sound signal of 85 db at alarm mode
-three-year limited warranty
If you would like to look at gas alarm (combustible gas alarm), please contact us, we will reply you at the first time. Our gas alarms have own perfect quality, steady performance, reasonable price; hope we could help you on business. Summer pan


Size:110mm*70mm*40mm
Weight:228g/pc
Package size:58.5cm*28.5cm*53.3cm

AK-200FC/P1
Product Description:
1. Model: AK-200FC/P1
2. Manual testing and reset function
3. working environment:
Humidity: ¿Q97%RH
Temperature: 0íµ-60íµ
4. Dimensions: 115mm*71mm*43.3mm
5. Working voltage: 220VAC /110VAC, 12VDC-20VDC
6. Additional function: can work with solenoid valve or manipulator or exhaust fan (optional)
7. Networking: wired networking (NO, NC)
8. Wireless networking mode: 315MHZ/433MHZ (2262 OR 1527)
9. Alarm concentration:
coal gas: 0.1%~0.5%
natural gas: 0.1%~1%
LPG: 0.1%~0.5%
10. Patent No.: 200830104029.X.



100pcs/CTN.