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fábrica de telefone de emergência de elevador

From fábrica de telefone de emergência de elevador

Telefones de emergência do túnel utilitário
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
Tamanho: 492*302*185mm
Ambient Temperature: -40℃ to 50℃
Umidade Relativa: 10% a 95%
Atmospheric Pressure: 80-110 kPa
Ambient Noise: ≤60dB
Operating Frequency: 300-3400 Hz
Sending Loudness Rating(SLR): 5- 15dB
Receiving Loudness Rating(RLR): -7-2dB
Side Tone Masking Rating(STMR): ≥7dB

Telefones de emergência do túnel utilitário

elevator emergency phone factory products

Telefones de emergência do túnel utilitário

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...

Telefone de emergência industrial visível à prova de poeira

Dust-Proof Industrial Visible Emergency Telephone is made of Fiber-Reinforced Plastic. It is an all-digital network radio and walkie-talkie. The core part adopts a mature VOIP solution with stable and reliable...

Telefone de Emergência Visível Industrial

Industrial Visible Emergency Telephone is made of Fiber-Reinforced Plastic. Uncovered design. It is an all-digital network radio and walkie-talkie. The core part adopts a mature VOIP solution with stable and...

Telefone IP à prova d'água de parede

Waterproof, dustproof, adopts stainless steel casing, and the level reach IP65. The wire was made by Teflon, oil resistance, acid resistance and alkali resistance. Automatic dialing function: Press the emergency...

Telefone Industrial

Industrial telephone is a waterproof, dust proof, electrostatic Discharge. The industrial telephone uses aluminum alloy die-casting shell, high mechanical strength and strong impact resistance. And its appearance is firm and...

Telefone de Emergência SIP

Whole stainless steel body, solid and temperature bearable. Handsfree and loudspeaker, IP67. Support hotline call, can realize ring off automatically if the other side close.

Telefone de emergência integrado SIP

Embedded Emergency Telephone for emergency and daily communication, it is weatherproof and durable. Can be designed to dial numbers automatically, press the button for hands-free disconnect call, the key can...

Telefone de emergência com transmissão de duas teclas

Two-key Broadcast Emergency Telephone is made of Fiber-Reinforced Plastic, without a cover design, and can be equipped with a dust cover. It is a full-digital network radio and walkie-talkie. Its core...

elevator emergency phone factory latest news

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