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 |
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
Jining Hengwang Mining Machinery Co.,Ltd. | |
---|---|
Country/Region: | Shan Dong - China |
Business Nature: | Manufacturer |
Phone: | 2580038 |
Contact: | Suki (Sales manager ) |
Last Online: | 17 Oct, 2013 |