| Model: | KTH-33 |
|---|---|
| Brand: | HWGK |
| Origin: | Made In China |
| Category: | Electronics & Electricity / Other Electrical & Electronic |
| Label: | mine telephone , telephone |
| Price: |
¥10
/ pc
|
| Min. Order: | 1 pc |
| Live Chat: | Last Online:17 Oct, 2013 |
1.standard Q/HX001-2007.
2.the Ex-mark is Exib.
3.Explosion-proof Intrinsically Safe Automatic Telephone
Main technical parameters
1,Working condition
Operating temp:-10°C-+40°C;
Relative temperature:≤95%(+25°C)
Atmospheric pressure:(86-106)kpa
Related Equipment:HDK coupler
2,The Intrinsically safe parameters see table 1:
|
Parameters |
Item |
|
Max input Voltage |
DC60V |
|
Max input Current |
30mA |
|
The highest fluid flow voltage |
AC56V |
|
Maximum fluid flow current |
10mA |
3,Electric-acoustic index table 2:
|
Mining simulation line length |
0km |
5km |
10km |
|
Send loudness rating(SLR) |
≥2 |
≤15 |
≤18 |
|
Receive loudness rating(RLR) |
≥-8 |
≤2 |
≤2 |
|
Side sound pressure masking evaluation value(STMR) |
≥3 |
≥8 |
≥5 |
Ring sound grade:≥80dB.
Pulse intermittent ratio:1.6±0.2:1
pulse rate:10±1time/second
1.frequency error≤1.5%.
2.Low frequency group of level:-9dBm±3dB
3.High frequency group of level:-7dBm±3dB
4.Frequency combination, the high frequency component level should be better/higher than low frequency component level high 2±1dB
5.Dimensionmm:112×290×122
6. Weight of the:2.5kg
7. Communication distance:≤10km,cable assembly specification MHYV1*2*7/0.37