Mining Explosion_proof Phone KTH_33
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 | ||||||