Full Color Smart Construction Video Intercom System

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Product Description

Basic Information
Information Content
Voice
Certification
CE, ISO
Condition
New
Frequency
3 Kinds
Quantity
Depends on Floors
Transport Package
Carton Box
Specification
200*120*50mm
HS Code
84313900
Capacity
30000 Pieces/Year
Product Description

Specifically designed and manufactured to provide CRYSTAL CLEAR communications to help create a safer work environment, which increases PRODUCTIVITY and lowers the risk of LIABILITY.

Smart Construction Intercom System
Intercom System Details
Safety First

Mainly used on construction and temporary Hoists/Elevators, it is recommended by OSHA, and also considered the industry standard. Communications is critical to provide workers a way to contact the elevator operator in case of an emergency. When a worker is hurt, seconds count to get medical attention.

Also acts as a general intercom system, allowing supervisors and workers to locate and communicate with each other, reducing down time tremendously and adding to project profit.

Intercom System Overview
All units interchangeable
No antenna wire required
Two way communications
Volume controlled Car Units
Powered by safe 24 volts DC
Multiple frequency channels
Emergency alarm switches on all units
Operates in extreme weather conditions
Heavy duty composite Nylon Plastic enclosure
Microphone gain adjustment for feedback control
Functional Features
Signal transmission via protection loop line; stable and reliable without special communication cables.
No connection with high voltage, ensuring system safety.
No electromagnetic wave pollution; no need for radio frequency applications.
Electronic volume control and squelch function.
Three frequencies available for clear and natural voice.
Specification Parameters
Supply Voltage
220V AC or 110V AC
Effective Range
> 300m (Resistance < 600 ohm)
Frequencies
250KHz, 741KHz or 800KHz
System Installation

Floor Installation: Connect the intercom with the accessory power cable. A dedicated power supply device can drive fewer than twenty units. The protective ground wire must pass through the coupler hole to the ground. Note: Do not ground the wire in the middle.

Lifting Cage Installation: Connect the intercom, power supply, and coupler in the lift cage. The protective ground wire must pass through the coupler hole and be connected with the ground.

Terminal Description (Power Supply)
NO Term Cable Explain
1LPower (Blue)Three core cable
2NPower (Brown)Three core cable
3GGround (Yellow)Three core cable
4-VCable shieldFour core shielded
5-VNegative power (Brown)Four core shielded
6+VPositive power (Black)Four core shielded
7+VPositive power (Blue)Four core shielded
Frequently Asked Questions
What should I do if there is a communication failure?
Check if the protective ground wire of the coupler is grounded in the middle. Ensure the protective earth wire and the ground wire in the basket are properly connected.
What causes poor communication quality?
Poor communication is often caused by high resistance in the ground wiring or loose connections. Ensure all wiring is secure and resistance is low.
How to handle interference from electric motors?
Motor interference typically indicates that the cables require better shielding. Ensure you are using high-quality shielded cables.
Does the system require a radio frequency permit?
No, the system uses protection loop lines for transmission and does not produce electromagnetic wave pollution, so no radio frequency application is required.
Can this system operate in outdoor environments?
Yes, the system is enclosed in a heavy-duty composite Nylon Plastic housing and is designed to operate in extreme weather conditions.
What is the maximum range of the intercom?
The effective communication range is more than 300 meters, provided the conductor loop resistance remains below 600 ohms.

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