KTH-33 mining telephone, intrinsically safe telephone

Mine telephones, intrinsically safe telephones

Scope of use
Mine intrinsically safe telephones are dual-tone telephones, which can be composed with associated equipment couplers and dispatchers or switches

Coal mine safety communication system network can be widely used in environments with explosive mixtures. Its explosion-proof mark is b
Main features
The body of this machine is cast aluminum alloy, with beautiful appearance and high mechanical strength.
Using the new domestic keypad (reception type without keypad).
The internal circuit of the machine adopts internationally accepted integrated circuits, which ensures accurate dialing, clear and stable calls.
It has audio pulse signal compatibility function (generally the switch is set to audio when leaving the factory).
The whole machine is shock-proof and moisture-proof, small in size, light in weight, strong, durable and easy to maintain.
Main technical parameters
Conditions of use:
Ambient temperature: ~ degrees
Ambient temperature: degrees
Atmospheric pressure: (~)
Related equipment: coupler
Maximum input DC current:
Maximum ringing open-circuit voltage:
Maximum input ringing current:
Please see the table below for dual-tone signal plate frequency
Overall dimensions: **< br/> Whole machine weight:

Jining Hengwang Industrial and Mining Machinery Co., Ltd. mainly produces the following products: start and stop sensors, smoke sensors,

/High and low concentration methane sensors, carbon monoxide sensors ,R carbon dioxide sensor deviation sensor,
deviation switch, speed sensor, temperature sensor, intrinsically safe infrared temperature sensor, start and stop sensor

chemical oxygen self-rescuer, pressure Wind self-rescuer, positive pressure oxygen respirator,
negative pressure oxygen respirator, B portable methane detection alarm
Price is favorable, customers are welcome to inquire and purchase! ! ! (_)


Telephone:
Fax:
Mobile:
Manager: Han Ting
:
Email: @< br/> Website: :
:

Shandong Jining Hengwang Industrial and Mining Machinery Co., Ltd.