This phone applies to subway, highway, power plant, oil station, angry station, pit, pier, steel company and large scale project etc., is dampproof, fireproof for preventing dust , defence dry , prevent frostbite and guard against destructiveness, interference rejection and the noise etc. environmental use that has special requirement product major characteristic:
1.shell:
The casting of aluminium alloy
2.door cover:
With the spring hinge of stainless steel, since closing , it is sexual and good , shell door axle has spring, shell door can be automatic to spring to return, lock can also deduct voluntarily , can add outside lock , has better protective role
3.handle:
Special ABS project is plastic , fight to knock attack
4.handle send receiver, keyboard, buzzer, circuit board and all shell accessories adopt multilayer waterproof, dustproof structure. Have 3 level waterproof, dustproof functions, overall grade reaches national standard GB4028-93 IP66 to get certificate
5.stability good, the ability of interference rejection is strong , accords with national standard GB/T15279-94 to get certificate
6. have to expand sound function:
When environmental noise exceeds 90 dbs, the tinkle of bells of ordinary telephone can not often let staff hear the tinkle of bells, cause to produce to manage instruction can not get communicate in time, cause pecuniary loss.
KNSP-08 expands sound telephone, is outside to receive the high-pitched voice trumpet of 20 W, in action have been called machine use , in bell flow trigger , this machine open first machine power source, and enlarge ringing sound , broadcast through loudspeaker.
At the same time for the tinkle of bells, count , is being rear via some bell sound ( make factory installation is five times ) this machine pick voluntarily machine, God shouts but call broadcast, its sound will defend people through the loudspeaker broadcast of this machine to nearby work and.