11. Metal shield, anti-electromagnetic interference
12. Two-year limited warranty
13. Suit for detect the smoke in house, shop, hotel, restaurant, office building, school etc...
Technical Specification
Model
SR-811-4
Input voltage
DC9~35V
Static current
500uA(replay N.O.)
12mA(relay N.C.)
Alarm current
18mA(replay N.O.)
10mA(relay N.C.)
Alarm indication
red LED on
Operating temperature
-10~+50°C
Humidity
0%~95%RH(No condensation)
Alarm output
relay output
Contact rating
0.5A@DC28V
Sensitivity
0.5dB/m(±0.1dB/m)
Dimension
103*53mm
Detailed pictuers
Smoke alarm for u
About us
Packaging & Shipping
Delivery Time
Sample order
1-3 working days
Bulk order
25-35 working days
Stock order
7-10 working days
FAQ
Q1:Are you manufacture or trading company? A1:We are a professional manufacture specialize in fire alarm products.
Q2:What is the moq? A2:As usual,there is ready stock for our regular & hot selling models. So any order quantity is welcome.
Q3:Can I customize LOGO and customized functions? A3:Yes you can. Packaging, products, instructions can be printed logo. and functions we have professional R&D team to support best service.
Q4:How about the quality of your products? A4:Our raw materials are purchased from qualified suppliers.
Q5:How long is the warranty time of the products? A5:The warranty period is 2 years from the factory,if there are individual quality problems, we will replenish the customer in the next batch of orders.
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