Anti Explosion Water Proof Dust And Weath Telephone - China

NINGBO JOIWO EXPLOSIONPROOF TECHNOLOGY CO.

LTD

1 Range

Can be used in nuclear power plant , petroleum, chemical plant , storage and transport industry etc flammable and combustible area .

Then user can be communicate in a dangerous area.

2 Feature

2.1 Shell of the explosion_proof telephone made of si_aluminium alloy with high temperature , electrostatic plastic sprayed surface.

Good impact resistance.

2.2 The telephone adopt stainless steel keypad, which contact resistance≤30ohm, life cycle≥2 million, push force 160-200grams, defend grade is up to IP67, good hand feeling.

2.3 Handle adopts imported Pc engineer material, thermostability of the PTFE wire .

military noise cancelling microphone.

Clear conversation in 115 dB enviroment .

2.4 Hook adopts magnetic induction switch, life cycle ≥500 thousand

Increased safety terminal compartment, to ensure that product’s explosion-proof and electrical properties

2.5 Using integral design faith, integrate basic conversation ciruit , noise removal circuit.

power amplifying ciruit and power cicuitand protection circuit etc.

These electronic components of the product adopt famous imported brand and selected by high and low temperature aging test

2.6 Six channels in a telephone or more are available which according to customer's requirement.

This telephone network is flexible , can be setted of its extension set arbitrarily , numbers can be changed random .

All of telephones connect in a bus cables, so it can add or decrease anytime without restriction .

Each telephone is the independent workstation, will break down not to interfere with the overall system work.

The system has the automatic gain control, They donot change for volume of the Sound, lengh of distance and the quantity of telephone in whole system.

2.7 It is very easy to be installed and be protected for there is a extra box for more cables .

Technical parameter

Defend grade

IP67

Ambient temperature

-40~+70°C

Relative humidity

≤95%

Atmospheric pressure

80~106KPa

Voltage

180-240AC

Feed current

15mA

Call transmission index

SLR≤12, RLR≤-1, STMR≥10, output impedance: 600Ω

Frequency response

300~3400 Hz

Lines output audio signal level

+2dB

Ambient noise

≤115dB

Distortion factor

≤2%

Ringing sound level

≥65dB

installation

wall-wounted

If you have any questions, please feel free to contact us

Company Contact:

• Posted By: Ningbo Joiwo Explosionproof Science&Technology Co.

• Phone: 8657422709600

• Address: No.21 GuoXiang Bridge road(M) , LanJiang Street , Yuyao , China

• Email:

• Website: https://www.joiwo.com

• Business Description: involved in international trade import export of goods, products, and services