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High Quality KTH18 Explosion-proof BEN Automatic Mine Telephone for Sale

High Quality KTH18 Explosion-proof BEN Automatic Mine Telephone for Sale photo-1
US$ 10 - 50 MOQ: 1 Set
Key Specifications
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Place of Origin:
Shandong, China
Brand Name:
LH
Model Number:
KTH 33
Payment & Shipping
Payment Methods:
Port of Shipment:
QINGDAO
Delivery Detail:
Delivery time depends on order quantity.
Place of Origin Shandong, China
Brand Name LH
Model Number KTH 33
Type Fixed Wireless Phone
Voice Mail Yes

High quality KTH18 Explosion-proof BEN Automatic Mine Telephone for sale   

 

 

Product Introduction                                                                     

 

1)This phone shell is made of Aluminium alloy , beautiful outlook, high mechanical strength

 

2)The domestic new key number plate.

 

3)Circuit inside the telephone uses the international general integrated circuit, has the advantage of dialing accurate, clear communication, work stability etc

 

4)Send signals with dual tone frequency and have pulse dialing function (ex-factory general switch in double audio situation)

 

5)with shockproof, moisture proof, small volume, light weight, strong, durable, easy maintenance, etc.

 

Technology Parameters                                                        

 

1) Condition of usage

Environment temperature: -10~40°C

Relative temperature :<=95%(+25°C)

Atmospheric pressure:(86~106)kpa

Related device: HDK coupler

 

2)Intrinsically safe parameters

Item

KTH33

Max input voltage(V)

DC60

Max input current(mA)

30

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

Send loudness rating(SLR)

≥ 2

≤ 15

≤ 18

Receive loudness rating (RLR)

≥ -8

≤ 2

≤ 2

Side Tone Masking Rating (STMR)

≥ 3

≥ 8

≥ 5

Sound grade:  ≥ 80dB

Impulse break-make ratio:1.6±0.2:1

Impulse rate:10±1 times/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 group of level :-9dBm±3dB

High frequency group of level :-7dBm±3dB

In the frequency combination, high frequency electrical level should be low frequency electrical level higher about 2±1dB 


The real details photo                                                                    

 

 High quality KTH18 Explosion-proof BEN Automatic Mine Telephone for saleHigh quality KTH18 Explosion-proof BEN Automatic Mine Telephone for sale

 

 

 

Good Cooperation                                                                

 

  High quality KTH18 Explosion-proof BEN Automatic Mine Telephone for sale

 

Transaction history                                                               

 

 

High quality KTH18 Explosion-proof BEN Automatic Mine Telephone for sale

 

 

 Quality Certificate                                                                  

 

 

High quality KTH18 Explosion-proof BEN Automatic Mine Telephone for sale

 

Transport and Shipping                                                                

 

High quality KTH18 Explosion-proof BEN Automatic Mine Telephone for sale

 

 

welcome to visit our company webiste, Any question,pls contact EVA Shao,

 

company website: https://img13.fr-trading.com/

 

Skype : hw.april

 

QQ: 2283541257 

 

Mobile:+8613518655765

 

Tel : 0086-537-2580308 

 

Fax : 0086-537-2585538

 


 

 

 

 

 

 

 

 

 

 

 

 

 

 

           

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Business Type
Trading Company
Year Established
2014
Factory Size
Below 1,000 square meters
Total Employees
101 - 200 People