Shanghai, China
Business Type:
Trading Company
Number of Employees:
4
Year of Establishment:
2014-06-20
Main Markets:
North America, Europe, Southeast Asia/ Mideast, Africa, East Asia(Japan/ South Korea), ...
Import & Export Mode:
Have Own Export License
OEM/ODM Service
Sample Available

Calling System, Door Phone, Intercom manufacturer / supplier in China, offering Door Phone for Construction/Industrial Hoist to Alarm and Call for Help, Construction Building Hoist Communication Intercom Speaker System for Building Hoist Floor Call System, Construction Hoist/Elevator Speaker Intercom System and so on.

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Supplier Homepage Products OTHER SPARE PART Door Phone for Construction/Industrial Hoist to Alarm and Call for Help

Door Phone for Construction/Industrial Hoist to Alarm and Call for Help

Get Latest Price
Min. Order / Reference FOB Price
1 Piece US $1/ Piece
Port: Shanghai, China
Production Capacity: 1000pieces/Week
Payment Terms: L/C, T/T, D/P, Paypal
Type: Button Phone
Function: Common Key Phone
Display: Without Display
Touch Screen: Without Touch Screen
Dial: Pulse
Voice Mail: Not Support Voice Mail

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Basic Info

Model NO.
IS-3F (Intercom system 3 frequency)
Cordless Telephone Frequency
3 Kinds of Frequency
Answering Machine Record Audio Format
None
Accessories
None
Customized
Non-Customized
Color
Yellow
Communicate
Yes
Alarm Sound
Yes
Backup Power
Yes
Solar energy
Yes
Trademark
STRONG
Transport Package
Carton Box
Specification
the phone is 200*120*50mm
Origin
Shanghai
HS Code
84313900

Door Phone for Construction/Industrial Hoist to Alarm and Call for Help
Door Phone for Construction/Industrial Hoist to Alarm and Call for Help


INTRODUCTION
Site: Used in the industrial elevator of the building elevator and the construction hoist
Function: Provides an emergency call between the construction of the floor inside the building and elevator driver. Greatly improves the production efficiency, and effectively prevent accidents
Strength: Used in the construction of the elevator intensive areas of reliable use(the radio frequency needn't apply)

FUNCTIONAL FEATURE 
The signal transmission is carried out by using the protection loop line. the signal is stable and reliable, and the special communication cable is not required. 
The signal line and power line are not connected with high voltage, and the system is safe and reliable. 
No electromagnetic wave pollution, do not need to apply for radio frequency, and can be used in the construction of the elevator intensive and authentic and other construction areas, and will not affect each other. 
Press the button for intercom function. It can prompt the communication is busy. It also has the squelch function. 
Electronic volume control, convenient volume adjustment. 
There is an alarm button, can be used in emergency. 
Three frequencies available, voice clear and natural.  
SPECIFICATION PARAMETER
Supply Voltage: 220V AC or 110V AC
Effective Range: more than 300m(Conductor loop resistance<600 ohm)
Three Frequencies Available: 250KHz, 741KHz or 800KHz

SYSTEM INSTALLATION
Installation instructions for each floor
The installation method of the intercom on each floor can be referenced to the left of the following view. Fit the intercom and connect the intercom with the accessory power cable. Note: a dedicated power supply device can only drive less than twenty. In accordance with the drawings, another port dedicated power supply connected to the junction box, and then connected to the coupler. In the first floor of the construction elevator, the protective ground wire passes through the hole of the coupler, and it is connected with the ground. Important note for installation, in the communication system, the protective grounding wire passing through the coupler can not be grounded in the middle ground. 
Installation instructions in the lifting cage of construction hoist
The installation method of the cage intercom see below right view. In accordance with the drawings, connect the intercom, the call device power supply, and the coupler. In the lift cage, the protective ground wire passes through the hole of the coupler, and it is connected with the ground. 

Description of terminal of special power supply device: 
NO  CableExplain
1LPower(blue)  
2NPower(brown)Three core cable
3GGround(yellow)  
4-VCable shield  
5-VNegative power(brown)The four core shielded
6+VPositive power(black)cable
7+VPositive power(blue)   

After the power supply is turned on, the channel frequency LED and the Transmitting / receiving LED are red at the same time. At this time, if the system is not used, they turn green. If people use the intercom, the channel frequency LED is red. At this time, you can push,  buttons to adjust volume. Press "talk" button and talk to the microphone above emergency while the channel frequency indicator's green. (effective range 10-20cm). 

COMMON USAGE ISSUESANDEXPLAIN
FAQExplain
Communication FailureThe protective ground wire of the coupler is grounded in the middle ground, and the protective earth wire and the ground wire in the hanging basket are not connected.
Poor communicationHigh resistance caused by ground wiring and/or poor connection.
Interference caused by electric motorCables require better sheielding.

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