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elevator emergency phone factory

Telepon Darurat Terowongan Utilitas
Emergency telephones for utility tunnel purpose made of aluminium alloy material by die casting. The telephone waterproof is rugged and durable. Body-integral, Strong flame retardancy and low-temperature resistant. Special sealing design can ensure complete waterproof grade up to IP66. Waterproof, dustproof and moisture-resistant. The telephone waterproof widely used in tunnel and outdoor. Most metro and high-speed rail project need install IP66 telephone for emergency communication.

Model: CDU-AUX
Size: 492*302*185mm
Ambient Temperature: -40℃ to 50℃
Kelembaban Relatif: 10% hingga 95%
Tekanan Atmosfer: 80-110 kPa
Kebisingan Sekitar: ≤60dB
Frekuensi Pengoperasian: 300-3400 Hz
Mengirim Peringkat Kenyaringan (SLR): 5- 15dB
Menerima Peringkat Kenyaringan (RLR): -7-2dB
Peringkat Masking Nada Samping (STMR): 7dB

Telepon Darurat Terowongan Utilitas

elevator emergency phone factory products

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