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共同溝緊急電話
共同溝緊急電話
共同溝緊急電話
共同溝緊急電話

共同溝緊急電話

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.

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パラメーター寸法アプリケーション命令
Model: CDU-AUX
サイズ: 492*302*185mm
周囲温度:-40℃~50℃
相対湿度:10%〜95%
大気圧:80~110kPa
周囲騒音: ≤60dB
動作周波数:300~3400Hz
送信ラウドネス定格 (SLR): 5- 15dB
受信ラウドネス (RLR): -7-2dB
サイドトーンマスキング定格(STMR):≥7dB

This product: Utility Tunnel Emergency telephones

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