Mô tả
Demco alarm bells are professionally designed to meet the needs of fire fighting and detection system with central control equipment. The simplicity of the design incorporates fewer working parts, easy installation and high level of efficiency capable for operating under most adverse conditions.
|
SPECIFICATION |
|
AC TYPE |
DECIBEL RATING @ 1M (3Ft) |
|
Voltage |
Amps |
100mm (4″) |
150mm (6″) |
200mm (8″) |
|
110 |
0.015 |
92 dB |
95 dB |
97 dB |
|
240 |
0.033 |
98 dB |
105 dB |
106 dB |
|
DC TYPE |
DECIBEL RATING @ 1M (3Ft) |
|
Voltage |
Amps |
100mm (4″) |
150mm (6″) |
200mm (8″) |
|
12 |
0.08 |
95 dB |
99 dB |
100 dB |
|
24 |
0.05 |
96 dB |
103 dB |
105 dB |
|
Net/Gross Weight |
626/668 g |
888/966 g |
1296/1445 g |
|
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