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엘리베이터 비상전화 공장

From 엘리베이터 비상전화 공장

유틸리티 터널 비상 전화
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
크기: 492*302*185mm
Ambient Temperature: -40℃ to 50℃
상대 습도: 10% ~ 95%
대기압: 80-110kPa
주변 소음: ≤60dB
작동 주파수: 300-3400Hz
송신 음량 등급(SLR): 5- 15dB
수신 음량 등급(RLR): -7-2dB
사이드 톤 마스킹 등급(STMR): ≥7dB

유틸리티 터널 비상 전화

 

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