industrial telephone with visual signals and audible alarms for corrosive and hazardous areas

NINGBO JOIWO EXPLOSIONPROOF TECHNOLOGY CO.LTD   1 Range This series of telephones can be used in subway ,steel works,water resources scheduling,Power plant , ship,shipping port ,railway tunnel and other rough area.  hazardous area telephones Industrial Telephone Rugged Telephone arduous & hazardous area telephones arduous area telephones Subway telephone, high speed road telephone 2 Feature 2.1 Shell of the explosion-proof telephone made of si-aluminium alloy with high temperature ,electrostatic plastic sprayed surface. High impact. Whole telephone of the waterproof grade is up to national standard GB4028-93IP67 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,sturdy and durable. 2.3 Handle adopts imported Pc engineer material, thermostability of the PTFE wire .military noise cancelling microphone.Clear conversation in 115 dB enviroment . Good tightness , Denfend grade is IP67. 2.4 Hook adopts magnetic induction switch, life cycle ≥500 thousand 2.5 These electronic components of the product adopt famous imported brand and selected by high and low temperature aging test. telephone is provided with high stability, high anti-jamming capability, and it is up to national standard GB/T 15279-2002 2.6 There are 12 groups superstrong function with srore ,memory,dial (Each number up to 16 ) 2.7 Easy for install and operate   Weather-resistance telephone, Anit-Explosion telephone Explosionproof telephone   Maritime telephone Waterproof Telephone Shipping port telephone , shipping telephone Weather-proof telephone ,Weatherproof Telephone set

3.Technical parameter

Ambient temperature	-30~+50°c
Defend grade	IP66
Relative humidity	≤95%
Atmospheric pressure	80~110KPa
Call effective distance	6Km
Anti-explosion grade	Exde[ib]ibll BT6, Exde[ib]ibll CT6, DIP A21  TA,  T6
Output voltage	AC220V±15%,50Hz
Wait, working current	50mA,≤0.2A
Frequency response	250~7500Hz
Lines output audio signal level	+2dB
Loop cicuit impedance	1KΩ
Amplify output power	0~25W Continuously adjustable
Noise cancelling index	115dB environment
Installation	wall-mounted

Explosion Proof Telephone&flameproof &Explosion Proof telephone   Explosion proof telephones and weatherproof telephones for oil rigs refineries and other industrial applications   Explosion proof equipment&intrinsically safe telephone   2013waterproof dustproof shockproof explosion proof telephone Ip67  Mining telephone   Automatic mine telephone with explosion proof patent   Electrical equipment in hazardous areas   Outdoor public address system explosion proof telephonepublic telephone  Standard auto-dial industrial telephones   Chinaanti explosion telephone can be used in nuclear power plantwaterproof telephone    4.product details    web:www.joiwo.com    

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