Post Offer Free
Shandong China Coal Intelligent Device Branch  

Gold Index: 8265

You are here: home  > Chemical Industry Using Explosion-proof Telephone JWBT858A with Loud Speaker

Chemical Industry Using Explosion-proof Telephone JWBT858A with Loud Speaker 

Payment Terms: T/T,WU,Paypal 
Place of Origin: Shandong, China (Mainland) 
Add to My Favorites
HiSupplier Escrow
Share |

Product Detail

Means of Transport: Ocean,Land
Packing: wooden
Brand Name: chinacoal
Production Capacity: 1000sets/month
Delivery Date: 15days

telephone,safe telephone,explosion proof telephone


Keywords:telephone,safe telephone,explosion proof telephone

Product Introduction

1.The telephone can compose independent ommunication system.
2.the way of system calling:A hundred responses to a hundreds
3.The telephone has the scheduling function
4.The telephone has the group call function (dial to call all the phones in the system,the called party can

find the nearest one to answer the phone)
5.Automatically convert channel:called to pick up the phone, the system can automatically convert channel,

and cut off the expansion horn,turn into normal conversation state.
6.The telephone can also support the 14 phone call at the same time.
7.The shell of telephone's design is patent, waterproof, dustproof, without waterproof cover, beautiful and practical.
8.The telephone circuit uses the universal double integrated circuit, with the advantage of  hair Accuration,

clear communication and stable work.

9.The degree of protection IP65 can apply to damp, dust and corrosion and other harsh environment.

10.Shell is made of silicon aluminum alloy die casting and the surface temperature of antistatic spray,applicable to

a variety of harsh environment, high mechanical strength, strong shock resistance.
11Using our patent stainless steel keyboards, contact resistance≤30 ohm, service life ≥2 million,push force 160-200 grams,good hand feeling.
11The handle uses imported PC explosion-proof plastic material, thermostability of the PTFE wire,. The military anti-noise transmitter, clear conversation in the 115dB environment.
13Hook adopts magnetic induction swith,life cycle ≥ 500 thousand
14The machine has 1 public channel and 6 automatic channels selection, can also be extended to more channels according

to customer needs.the machine can combine network flexibly,extensions can be setted arbitrarily,numbers can be changed

randomly. it can change at any time without restrictions since all the telephones are in one bus cable.Each unit is

relatively independent, failure does not affect the normal work of the whole system.Each unit is relatively independent,

failure does not affect the normal work of the whole system.System has automatic gain control function,the volume does

not vary with the distance and the quantity of telephones.

Main Parameter

Explosion-proof mark

Exd[ib]ib II BT6 DIP A20 TA,T6

Defend grade


Working voltage

AC220V 50Hz

Wait\working current


Rated power



Frequency response

250~3000 Hz

Ambient temperature


Atmospheric pressure


Relative humidity


Amplify output power






Outlet thread




 Mr. Mike Jiang

Tel: 86-537-2350961
Contact to this supplier

Related Search

Find more related products in following catalogs on

Related Products

Company Info

Shandong China Coal Intelligent Device Branch [China (Mainland)]

Business Type:Manufacturer, Trading Company, Service
City: Jining
Province/State: Shandong
Country/Region: China (Mainland)

You May Like:

Product (172)