product description
The explosion-proof sound and light alarm and waterproof telephones are compatible with many program-controlled telephone exchanges of many brands on the market, and are specially designed for subway tunnels, underground pipe corridor tunnels, highway tunnels, mines and mines, power plants and power stations, steel plants, ports, ships, electrolysis workshops, etc. Special telephones developed in high humidity and high dust environment are suitable for long-term installation in various harsh environments. They are waterproof, moisture-proof, dust-proof, cold-proof, frost-resistant, high-temperature resistant, oxidation-resistant, corrosion-resistant, and resistant to violent percussion, etc. characteristic.

Features
1. Aluminum alloy material, formed by more than 1,000 tons of die-casting machine, with high density, light weight, with the characteristics of cold resistance, anti-oxidation, anti-corrosion, anti-violent percussion, etc.;
2. The handle is made of German Bayer ABS+PC alloy material, and adopts an integrated evacuated molding structure. Military-grade transmitter and receiver are selected internally, and are equipped with permanent magnets. It has the characteristics of explosion-proof, waterproof, moisture-proof, dust-proof, anti-noise, cold-proof, frost-proof, and anti-violent percussion;
3. The hook is made of zinc alloy stamping, after polishing, electroplating and other surface treatment processes, the back is packaged with imported reed switches from abroad, which can be used with the built-in permanent magnet magnet in the handle to switch between off-hook and on-hook. The hook has the characteristics of anti-cold, anti-freeze, anti-oxidation, anti-corrosion, and anti-salt spray;
4. The buttons are made of anti-aging silicone material, professionally designed for waterproof and dustproof, matching gold-plated PCB boards, good hand feeling, good electrical performance, and service life ≥ 500,000 times;
5. The phone mainboard adopts an industrial-grade IP mainboard, and reserves a wealth of signal stem nodes to facilitate linkage with surrounding external devices;
6. The phone shell adopts multiple waterproof designs, and all incoming lines are sealed with professional anti-aging waterproof electronic glue, and the overall protection level of the phone reaches IP68;
7. The protection grade of the loudspeaker and the sound and light warning light is IP65, and the explosion-proof grade is Exd IIC T6. It has the characteristics of waterproof, explosion-proof, and moisture-proof, and can be used in the open air;
8. The whole telephone set has passed the national explosion-proof level test, and the explosion-proof level: Ex ib mb IIC T6 Gb

Phone function introduction (due to the high integration of the motherboard, please confirm the specific functions before leaving the factory)
1. Sound and light alarm function: when the phone is in the called state, the ringing sound and light warning light will be emitted, accompanied by red light rotating and flashing. It is suitable for places with loud noise and dark environment; when the phone handle is lifted After the machine answers, the sound and light warning lights will automatically cut off;
2. Ordinary dialing: After picking up the phone, dial by the keyboard;
3. One-key dialing: The phone supports storage of up to three groups of numbers, and the numbers are permanently stored after they are set, and will not be lost after power failure. When in use, "off-hook -> select the key to store the number" to dial out;
4. Automatic dialing: After picking up the phone, the phone will automatically dial a set of pre-stored numbers;
5. Redial and flashing: After picking up the phone, press the "Redial" button to dial the last dialed number. During the call, press the "Flashing" button to return to the off-hook waiting for dialing state;
6. Auto hang up: After the call is over, the phone will automatically detect the busy tone signal and inverse limit signal of the switch, and hang up after several confirmations;
7. Support OEM OEM service, LOGO logo and packaging instructions can be customized according to requirements;
8. More functions can be customized according to requirements, please communicate with the company's sales staff in advance to ensure that the phone can meet your needs.

Specific parameters

Schematic

Installation diagram

a. Use the matching M8 bolts to fix the phone on the installation backplane;
b. Drill 4 Φ10 holes (225.5*140mm) on the wall according to the hole positions shown on the installation back plate, and then insert the explosive screws into the holes;
c. Fix the phone and the installation back plate on the wall with matching nuts;
d. Finally, connect the 2-core telephone line and the police light line, and the installation is complete.

Product packaging specifications
Specification: 1 set/box
Gross weight: 8.0 KG
Net weight: 7.0KG
Packing: EPE, carton