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
* Express(UPS, DHL, Fedex, EMS, etc) is available.
* Sea and Air delivery is available
* welcome your agent to deal with our products .
FAQ
Q1. Can I get one sample for test before big order? A: Sure,you can. Please leave a message we will contact you soon.
Q2. Can I get the smoke alarm than MOQ? A: Yes, you can and the final price will depend on your quantity.
Q3. Can I print my logo on the smoke alarm? A: Yes, please contact us.
Q4, What"s the lead time when I place bulk order? A: Small Qty order needs5-7 working days, big Qty order usually needs 7-20 working days after payments arriving. That"s depends on order Qty.
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