Explosionproof Corded Telephone
with Loudspeaker Product Description Range
1) Explosion-proof mark: Ex-de [ib] ib II BT6 DIPA20 TA, T6 [EX explosion-proof mark, DIP is
dust proof mark, do both]
2) Suitable for explosive gas atmospheres Zone 1 and Zone 2
3) Can be used in explosive gas atmosphere IIA IIB IIC* etc rough area
4) Can be used in flammable dust atmosphere 20 zone 21 zone 22zone etc rough area
5) Suitable for T1-T6 temperature classes.
6) Can be used in petrol-extraction,petroleum refining, chemical industry, military industry etc
dangerous area. Meanwhile, it can be used in offshore platform, oil 5tanker and so on.
7) can be used in highly noise area above those environment especially.
1) Shell of the explosion-proof telephone made of si-aluminum alloy with high
temperature ,electrostatic plastic sprayed surface. good impact resistance.
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.
3) Handle adopts imported Pc engineer material, thermostability of the PTFE wire .military noise
Canceling microphone. Clear conversation in 115 dB environment .
4) Hook adopts magnetic induction switch, life cycle ≥500 thousand Increased safety terminal
compartment, to ensure that product’s explosion-proof and electrical properties.
5) Using integral design faith,integrate basic conversation circuit ,noise removal circuit.power
amplifying circuit and power circuital protection circuit etc.
These electronic components of the product adopt famous imported brand and selected by high
and low temperature aging test.
6) The telephone network is flexible ,can be setted of its extension set arbitrarily,numbers can be
changed random.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.
7) Can be set function of amplification call directly or after several ring ( 1 to 7 voice can be set ),
or more ring (it can be ring according to the offer of the exchange).This system with function
of general calling (hundreds response to a single call ).
defend degree IP 66
EX mark Ex-de[ib]ib II BT6 DIPA20 TA,T6
output voltage AC220V 50Hz
working current ≤0.2A
Frequency response 250~3000 Hz
ambient temperature -40~+60°C
atmospheric pressure 80~110KPa
relative humidity ≤95%
amplify output power 10~25W continuously adjustable
First, the phone casing
1)Alloy shell, 800 tons die casting machine casting, the wall thickness of 6mm, weighs about
8KG, high mechanical strength and impact resistance.
2) Shell surface temperature electrostatic spray, antistatic ability is good. Eye-catching colors, 10
years without fading.
3) Phone casing patented design requires no separate waterproof cover, beautiful and practical,
Patent No.: 1,581,443
4) Shell explosion Waterproof grade: IP65, waterproof and corrosion-proof.
Second, key components:
5) Telephone internal circuit by the Division I independent research and development, the use of
internationally-sided integrated,circuit, with hair the exact number, call clear, stable and so on.
6) Key components handle, hanging fork, keyboard by the company's own production, strict
quality control, sale and fast response.
7) Product keyboard for the Division I patented design, the panel of stainless steel, zinc alloy keys,
the contact resistance ≤ 30 ohms, life ≥ 200 million times, pushing the intensity 160-200 grams.
Patent No.: 1,754,789
8) Professional waterproof handle, imported PC-proof plastic, Teflon wire, using industrial-grade
anti-noise microphone, call clarity in 115dB environment. This handle through international CE
certification. CE Certificate Number: PS2010120310-2.
9) Products made of zinc alloy fork hanging magnetic sensor switch, life ≥ 50 million times. Product Pictures
Packaging & Shipping
Ningbo Joiwo explosionproof technology Co., LTD was eastablished in May, 2011. with the shrinkage of pulic telephone market, and with the advantages of our many years’ experience in Public Telephones
and industrial telephones, we enter Industrial Telephone
field and register Joiwo as our trademark. Wih its strength of researching and developing, producing and providing products, we develope and design all of our items and are applying patents for our new designs. Our products are widely used in manufacturing sites of steel, vessel, petroleum and chemistry etc.. waterproof grade of all of our telephones reaches IP67. Our division takes ’justice, perseverance, striving, innovation and pragmatic practise’ as our corporate culture, takes ’customer orientation’as our operation principle, takes ’quality is margin’ as our quality policy and takes ’talents are the only competitiveness for entreprise’ as our strategy. Our purpose is to provide high-qulaity products with competitive prices, to create development opportunity for our employees and to develope Meiwo in the industrial telephone field. We Joiwo belives efforts would be paid off! Superior-quality products and exceptional service help win customers. We are working on them to make Joiwo be the trust-worthy brand in this field. The meaning of Joiwo is to bridge the gap of the world. We are willing to create a beautiful future of industrial telecommunication with others in the same trade. We belive the development of a line of business needs the joint effort of all traders in the same line. Only the line of this business developes well, each company has its space to develop. Trade Shows
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