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Shandong China Coal Industry and Mining supplies Group
Shandong China Coal Industry and Mining supplies Group  

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Chemical Industry Using Explosion-proof Telephone JWBT858A with Loud Speaker 

Price: 3000.0 RMB 
Payment Terms: T/T,WU,Paypal,Money Gram 
Place of Origin: Shandong, China (Mainland) 
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Product Detail

Model No.: JWBT858 A
Production Capacity: 1000 sets per month
Delivery Date: 5-10 days after your paymen...
Means of Transport: Ocean,Land,Air
Packing: carton box, plastic bags, w...
Brand Name: china coal

best durable product in unbeatable price
we provide service of enterprise's customs declaration, inspect.
Credibility is life,Customers are God

chinacoal11

www.chinacoalintl.com

m.chinacoalintl.com

we provide service of enterprise's customs declaration, inspection.

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,

  2. 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

IP65

Working voltage

AC220V 50Hz

Wait\working current

≤0.2A

Rated power

 

 20w

Frequency response

250~3000 Hz

Ambient temperature

-40~+60°c

Atmospheric pressure

80~110KPa

Relative humidity

≤95%

Amplify output power

10~25W

Size

343*294*206mm

Installation

wall-mounted

Outlet thread

G-3/4"

Weight

12kg


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 Mr. mike jiang

Tel: 86-537-2350961
Contact to this supplier

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Company Info

Shandong China Coal Industry and Mining supplies Group [China (Mainland)]


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

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