10
DS1043-218
TECHNICAL SPECIFICATIONS
Operating voltage
20Vdc (-15%, +10%) modulated
– detection circuit
24Vdc (-15%, +10%)
– fire alarm signalling circuit
Power consumption in normal condition
250
A @ 20Vdc
Power consumption in alarm condition
2,5mA @ 20Vdc / 3mA @ 24Vdc
Sound output at 1m for each tone
High volume: 78dB, 77dB, 77dB, 77dB
Medium volume: 76dB, 74dB, 73dB, 74dB
Low volume: 74dB, 73dB, 73dB, 73dB
Acoustic emission at 1m:
920Hz continuous mode
High volume
77dB
78dB
15°
0°
45°
75°
105°
135°
165°
79dB
80dB
80dB
81dB
Tones
Sweep 800÷970Hz in 1s
Two tones 610/920Hz cadence 1Hz
Pulsed 920/0Hz cadence 1Hz
Continuous 920Hz
Blinking frequency
0,5Hz
Bi-Colour LED
Green blinking slow (2s): normal condition
Green blinking fast: duplicate address
Green/Red: device address display
Max number of devices in alarm per circuit
related to the circuit resistance
64(10
); 46(20
); 34(30
); 26(40
); 20(50
)
Max number of devices in alarm per circuit
with 5 detectors in alarm (detectors LED
steady on) related to the circuit resistance
45(10
); 32(20
); 23(30
); 16(40
); 10(50
)
Operative temperature
-10
55°C ± 2°C (14
131°F)
Relative humidity
93% ± 2% non condensing
Storage/shipping temperature
-30
70°C (-22
158°F)
Environmental class
Type A
– Internal use
Protection degree
IP21C
Dimensions
114mm
H 51mm with cap
H 66÷75mm with detector
Weight
170g
