NINGBO JOIWO EXPLOSIONPROOF TECHNOLOGY CO.LT D Coin payphone Public Phone Intrinsically safe for Arduous and Hadzardous 1. Range: Can be used in subway ,steel works,water resources scheduling,Power plant , ship,shipping port ,railway tunnel and other rough area.
2.Features: 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. 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.
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.
4.Hook adopts magnetic induction switch, life cycle ≥500 thousand
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
6.There are 12 groups superstrong function with srore ,memory,dial (Each number up to 16 )
7. Magnetic hook switch. Life span ≥500 thousand
3.Technical parameter
Defend grade | IP65 |
Ringing sound | ≥90dB |
Frequency response | 250~3000 Hz |
Ambient temperature | -30~+50°c |
Atmospheric pressure | 80~110KPa |
Relative humidity | ≤95% |
Size | 343*294*206mm |
Installation | wall-mounted |
Outlet thread | PG11 |
Weight | 10kg |
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