Product details
Use scope:
It is used for coal mine that contains explosive gases(methane and coal dust) and other bad environment.
Main Features:
1)the material of the telephone is Aluminum with beautiful appearance and the mechanical strength high.
2)adopt the new type keyboard.
3)adopt international general integral circuit, with merits of signal accurate, voice clear, work stable.
4)with functions of double audio frequency and impulse signal sending.
5)with features of explosion-proof, anti-moisture, volume small, weight light, solidity, durability, maintenance convenient.
Main Technical Data:
1) Condition of usage:
Environment temperature: -5~40° C
Environment moisture: <=95%(+25° C)
Atmospheric pressure(86~106)kpa
Related device: KTA104coupler
2)Intrinsically safe parameters
4)dimension
5)weight: 4.4KGS
Telephone Technical
| Item |
Unit |
Data |
| Rated voltage feed |
V |
DC24/48 |
| Rated current feed |
MA |
≤20 |
| Ringing voltage(2000,HZ) |
V |
≤65 |
| Rining current |
mA |
≤20 |
| Rining Upgrade |
dB |
≥ |
| Material |
|
Aluminum |
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