Alarm is a very important category in the Security & Protection industry. A good Alarm can make a big difference in your comfort and productivity. There are many styles of Alarm available, so you can choose one that's well suited to your needs.
How to source & buy Alarm
At made-in-china.com, Alarm are made from various kinds of features such as Certification,
DOT,
E-MARK,
CE,
which offer unique user experiences to every kind of taste.
Take Certification for example, you can find DOT Certification, E-MARK Certification and more.
The SD119 include 2-wire and 4-wire detectors,which provide fast and reliable response for photoelectric smoke and heat(135 °F) detection.While the somke and heat detection circuits operate independently,their outputs being "OR"connected,The Sentek's SD119 series detectors provide the fire detection performance by acting as a smoke sensor and/or a 135 °F heat detector at the same location.
Specification:
Smoke Sensitivity:
0.98~4%/FT Obsuration(UL standard)
Ceiling Spacing:
50 foot rating for heat sensor (55 degree)
Reset Voltage:
less than 1 volt
Reset Time:
less than 1 second
Alarm Indicator:
LED continuously emitting red light
Remote Output:
25 mA max., diode gate
Temperature Range:
-10°C to 55°C,UL268 temperature 0~37.8 °C
Permissible Current:
80mA maximum
Humidity:
0 to 95% RH, no condensation or icing
Alarm Contact:
(for 4-wire)NO or NC Operation, Form A: 1.0A@30VDC/0.5A@125VAC
Dimensions:
100mm (dia) x 46mm (ht) with base
Weight:
130g/set with base
Conventional Photoelectric Electric Smoke Alarm with UL Certification
Product Features:
*2 or 4 wire
*Advanced detection and discrimination algorithms
*Easy installation and maintenance
*Sleek low-profile housing design
*Durable sensor head, no need for replacement
*SMD circuit board design: satisfactory quality and reliability guaranteed
*N/C and N/O relay output
*Auto reset function for security systems (4 wire optional ) Sensor base option:standard and Schottky Diode
*Five-year warranty
Order Information:
The range includes:
SD119-2: 2 wire photoelectric smoke alarm
SD119-2-LED: 2 wire photoelectric smoke alarm with remote LED output
SD119-2H: 2 wire photoelectric smoke and heat alarm
SD119-2H-LED: 2 wire photoelectric smoke and heat alarm with remote LED output
SD119-4: 4 wire photoelectric smoke alarm(12/24/48VDC)
SD119-4B: 4 wire photoelectric smoke alarm with Buzzer(12/24/48VDC)
SD119-4AR: 4 wire photoelectric smoke alarm with auto-reset function(12/24/48VDC)
SD119-4ARB: 4 wire photoelectric smoke alarm with auto-reset function and Buzzer(12/24/48VDC)
SD119-4H: 4 wire photoelectric smoke and heat alarm (12/24/48VDC)
SD119-4HB: 4 wire photoelectric smoke and heat alarm with Buzzer(12/24/48VDC)
SD119-4HAR: 4 wire photoelectric smoke and heat alarm with auto-reset function(12/24/48VDC)
Model
2/4
Wire
Heat Sensor Setting
Voltage DC
(Min./MAX.)
Standby Current
(Max.)
Alarm Current
(12/24V)
Surge Current
(Max.)
Start-Up Time
(Max.)
Permissible Current
(Max.)
Cycle Time
Alarm Contact
Certified
SD119-2
2
10.8-33V
80µA
22/55mA
160µA
30Sec.
80mA
1-3Sec.
-
UL/EN
SD119-2L
2
10.8-33V
80µA
22/55mA
160µA
30Sec.
80mA
1-3Sec.
Remote LED
UL/EN
SD119-2H
2
135±5°F
10.8-33V
80µA
22/55mA
160µA
30Sec.
80mA
1-3Sec.
-
UL/EN
SD119-2HL
2
135±5°F
10.8-33V
80µA
22/55mA
160µA
30Sec.
80mA
1-3Sec.
Remote LED
UL/EN
SD119-4-12/24
4
12/24V
80µA
30/45mA
-
30Sec.
-
1-3Sec.
Form A
UL/EN
SD119-4H-12/24
4
135±5°F
12/24V
80µA
30/45mA
-
30Sec.
-
1-3Sec.
Form A
UL/EN
SD119-4AR-12/24
4
12/24V
100µA
30/45mA
-
30Sec.
-
1-3Sec.
Form A
Auto Reset
CE
SD119-4ARB-12/24
4
12/24V
100µA
30/45mA
-
30Sec.
-
1-3Sec.
Form A
Auto Reset
CE
SD119-4B-12/24
4
12/24V
80µA
30/45mA
-
30Sec.
-
1-3Sec.
Form A
CE
SD119-4HB-12/24
4
135±5°F
12/24V
80µA
30/45mA
-
30Sec.
-
1-3Sec.
Form A
CE
SD119-4HARB-12/24
4
135±5°F
12/24V
100µA
30/45mA
-
30Sec.
-
1-3Sec.
Form A
Auto Reset
CE
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