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Mining Explosion_proof Phone KTH_33

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  • SPECIFICATIONS
  • PARAMETER
  • GALLERY
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  • 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
    25°C)
    Atmospheric pressure(86~106)kpa
    Related device: KTA104coupler
    2)Intrinsically safe parameters
  • 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        
    Item KTH106-1Z      
    Max inputting voltage(V) DC60      
    Max inputting current(mA) 　 20      
    Max voltage of bell(V) AC56V      
    Max current of bell(mA) 10      
    3)index electric and audio        
    Length of mining artificial line 0km 5km 10km
    Value of sending signal(SLR) ＞-2 ≤15 ≤18
    Value of receiving signal(SLR) ≥-8 ≤2 ≤2
    Sheltering value of side voice pressure(STMR) ≥3 ≥8 ≥5
    Sound grade:≥80dB          
    Impulse break-make ratio:1.6±0.2:1      
    Impulse velocity :10±1times/second      
    Frequency of double audio        
    High audio frequency Data&sign low audio frequency 1209 1336 1477    
    697 1 2 3    
    770 4 5 6    
    852 7 8 9    
    941 * 0 #    
    Frequency error<=1.5%          
    Low frequency electrical level:-9dBm±3dB      
    High frequency electrical level:-7dBm±3dB      
    In the frequency combination, high frequency electrical level should 
    be low frequency electrical level higher about 2±1dB    
    4)Dimension          
    5)Weight:4.4kgs          
                 
                 

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