1、 Scope of use
The KTH106-1Z mining intrinsic safety automatic telephone is produced according to the Q/HX001-2007 standard. A coal mine safety communication system network can be composed of a pulse and dual audio compatible telephone set, an associated equipment HDK mining telephone coupler, and a dispatch console or switch whose output signal meets the requirements. Can be widely used in environments with explosive gases. Its explosion-proof mark is "Exib Ⅰ".

2、 KTH106-1Z mining intrinsic safety automatic telephone model meaning

3、 Main features
1. The phone case is made of aluminum alloy, with a beautiful appearance and high mechanical strength.
2. Adopting a new type of domestic key number dial.
3. The internal circuit of the telephone adopts internationally recognized integrated circuits, which have the advantages of accurate numbering, clear communication, and stable operation.
4. Equipped with dual audio signal and pulse signal function (usually set to dual audio when leaving the factory).
5. The whole machine has the characteristics of shock resistance, moisture resistance, small size, light weight, sturdiness, durability, and easy maintenance.

4、 Main technical parameters
1. Usage conditions
Environmental temperature: -10 ℃ -+40 ℃;
Relative temperature: ≤ 95% (at+25 ℃)
Atmospheric pressure: (86-106) kPa
Associated device: HDK coupler

2. The intrinsic safety parameters of KTH106-1Z mining intrinsic safety automatic telephone are shown in Table 1:

Ringing sound level: ≥ 80dB.
Pulse interruption ratio: 1.6 ± 0.2:1
Pulse rate: 10 ± 1 times/second

The frequency of the dual audio dial is shown in Table 3

4. Dimensions mm: 112 × 290 × 122
5. Whole machine weight: 2.5kg
6. Communication distance: ≤ 10km, cable model specification is MHYV1 * 2 * 7/0.37.

5、 Instructions for use
1. Connect the input line of the telephone to the output terminal of the HDK type coupler (the coupler should be located in the safe zone), and connect the input terminal of the coupler to the dispatch console or switch that matches its input signal.
2. When the signal system of the dispatch console or switch is pulse signal, turn on the phone and set the switch to the "pulse" position.
3. After picking up the phone, you can dial by hearing the dial tone. When the called line is busy, you can hang up first, then pick up the phone and redial.

6、 Precautions for use
1. Avoid strong vibrations, impacts, and water damage to the telephone.
2. During the maintenance of the telephone, the specifications and models of the circuit components must not be changed, otherwise it will damage the explosion-proof performance.
3. This telephone is only allowed to be used with HDK type couplers and is prohibited from being used with other associated devices.
4. The user line connected to this telephone should meet the following requirements:
User line loop resistance ≤ 1k Ω
Inter line leakage resistance ≤ 20k Ω
Distributed capacitance ≤ 0.1 μ F/km
Distributed inductance ≤ 1mH/km

7、 Ordering Notice
Ordering should be based on the contract, clearly stating the product name, model, quantity, address, telephone number, bank and account number, contact person, etc.

Warning:
① During maintenance, it is not allowed to change the electrical parameters, specifications, and models of intrinsic safety circuits and components related to intrinsic safety circuits.
② Intrinsic safety products shall not be connected to other untested equipment at will.