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usine de téléphone d'urgence d'ascenseur

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Téléphones d'urgence du tunnel utilitaire
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.

Modèle : CDU-AUX
Taille : 492*302*185mm
Température ambiante : -40℃ à 50℃
Humidité relative : 10% à 95%
Pression atmosphérique : 80-110 kPa
Bruit ambiant : ≤60dB
Fréquence de fonctionnement : 300-3400 Hz
Indice de sonie d'envoi (SLR): 5- 15dB
Réception de l'indice de sonie (RLR): -7-2dB
Note de masquage de tonalité latérale (STMR): ≥7dB

Téléphones d'urgence du tunnel utilitaire

elevator emergency phone factory products

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Visible Touchscreen Emergency Telephone is made of Fiber-Reinforced Plastic, and it is a high-end smart phone that integrates audio, video and applications. Equipped with a high-precision directional microphone, it can...

elevator emergency phone factory latest news

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