Gold Supplier Best Selling Infrared Heat Detector
 Gold supplier best selling infrared heat detector
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Heat detector SR-502, SR-503 Series
SR-502-2/SR-503-2 2-Wire network heat detector
SR-502-4/SR-503-4 4-Wire network heat detector
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Main Features:
Combination rate-of-rise and fixed temperature alarm
MCU processing, eliminate false alarm
Low standby current
Anti-RFI &Anti-EMI
9-35VDC wide operating voltage range
LED flashing visible in 360 degrees direction
Power supply non-polar input
Remote LED indicator output (2 wire)
Rustproof, mothproof, anti-light interference design
Execute criterion: GB4716, EN54-5
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Technical specification:
Model No. |
SR-502-2/SR-503-2 |
SR-502-4/SR-503-4 |
Operating voltage |
DC 9V-35V |
|
Static current |
≤50uA |
12mA(NC);2 mA (NO) |
Alarm current |
35mA(12V); 83 mA (24V) |
5mA(NC); 15 mA (NO) |
Alarm output |
Remote LED indicator |
Relay output |
Alarm temperature |
Rate-of-rise alarm: temperature rising rate>8ºC |
Fixed temperature alarms: 57ºC(135ºF) |
Installation |
Ceiling mounted |
|
Working environment |
-10ºC~+50ºC, Humidity ≤95%RH |
-10ºC~+70ºC |
Dimension |
100*48mm |
|
please note :There are two series of four types of this product, and we are looking forward to your message to us the type you want, thank you!
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Product Pictures
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Shipping information
* Express(UPS, DHL, Fedex, EMS, etc) is available.
* Sea and Air delivery is available
* welcome your agent to deal with our products .
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Contact information
* Tel: 86- 755-89571625
* Fax:Â 86- 755-89571207
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Website: http://www.sumring.com
Inquiry now, we will reply you upon receive your email!
 Gold supplier best selling infrared heat detector
Â
Heat detector SR-502, SR-503 Series
SR-502-2/SR-503-2 2-Wire network heat detector
SR-502-4/SR-503-4 4-Wire network heat detector
Â
Main Features:
Combination rate-of-rise and fixed temperature alarm
MCU processing, eliminate false alarm
Low standby current
Anti-RFI &Anti-EMI
9-35VDC wide operating voltage range
LED flashing visible in 360 degrees direction
Power supply non-polar input
Remote LED indicator output (2 wire)
Rustproof, mothproof, anti-light interference design
Execute criterion: GB4716, EN54-5
Â
Technical specification:
Model No. |
SR-502-2/SR-503-2 |
SR-502-4/SR-503-4 |
Operating voltage |
DC 9V-35V |
|
Static current |
≤50uA |
12mA(NC);2 mA (NO) |
Alarm current |
35mA(12V); 83 mA (24V) |
5mA(NC); 15 mA (NO) |
Alarm output |
Remote LED indicator |
Relay output |
Alarm temperature |
Rate-of-rise alarm: temperature rising rate>8ºC |
Fixed temperature alarms: 57ºC(135ºF) |
Installation |
Ceiling mounted |
|
Working environment |
-10ºC~+50ºC, Humidity ≤95%RH |
-10ºC~+70ºC |
Dimension |
100*48mm |
|
please note :There are two series of four types of this product, and we are looking forward to your message to us the type you want, thank you!
Â
Product Pictures
Â
Â
Shipping information
* Express(UPS, DHL, Fedex, EMS, etc) is available.
* Sea and Air delivery is available
* welcome your agent to deal with our products .
Â
Contact information
* Tel: 86- 755-89571625
* Fax:Â 86- 755-89571207
Â
Website: http://www.sumring.com
Inquiry now, we will reply you upon receive your email!
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