explosion proof mine telephone China

 explosion proof mine telephone China
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

Product Description

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

 explosion proof mine telephone China 1 explosion proof mine telephone China 2 explosion proof mine telephone China 3 explosion proof mine telephone China 4

Member Information

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