离岸价格
Get Latest Price1 ~ 450 USD / Set ( Negotiable )
|1 Set Minimum Order
国:
China
モデル番号:
JWBT858
离岸价格:
1 ~ 450 USD / Set ( Negotiable )Get Latest Price
ロケーション:
Zhejiang province
最低注文量の価格:
1 per Set
最低注文量:
1 Set
パッケージの詳細:
GW:12kg/ctn
納期:
45weekdays
供給能力:
500 Set per Month
支払いタイプ:
T/T, Western Union
製品グループ :
-
連絡先担当者 Mr. Jimmy
GuoXiang Bridge Countryside , LanJiang Street, Ningbo, Zhejiang
1 Range
Can be used in nuclear power plant ,petroleum,chemical plant ,storage and transport industry etc flammable and combustible area .Then user can be communicate in a dangerous area.
2 Feature
2.1 Shell of the explosion_proof telephone made of si_aluminium alloy with high temperature ,electrostatic plastic sprayed surface. Good impact resistance.
2.2 The telephone adopt stainless steel keypad, which contact resistance≤*0ohm,life cycle≥2 million,push force ******0grams,defend grade is up to IP*7, good hand feeling.
2.3 Handle adopts imported Pc engineer material, thermostability of the PTFE wire .military noise cancelling microphone.Clear conversation in **5 dB enviroment .
2.4 Hook adopts magnetic induction switch, life cycle ≥**0 thousand
Increased safety terminal compartment, to ensure that products explosion-proof and electrical properties
2.5 Using integral design faith,integrate basic conversation ciruit ,noise removal circuit.power amplifying ciruit and power cicuitand protection circuit etc. These electronic components of the product adopt famous imported brand and selected by high and low temperature aging test
2.6 Six channels in a telephone or more are available which according to customer's requirement. This telephone network is flexible ,can be setted of its extension set arbitrarily , numbers can be changed random . All of telephones connect in a bus cables, so it can add or decrease anytime without restriction . Each telephone is the independent workstation, will break down not to interfere with the overall system work. The system has the automatic gain control,They donot change for volume of the Sound,lengh of distance and the quantity of telephone in whole system..
2.7 It is very easy to be installed and be protected for there is a extra box for more cables .
Technical parameter |
|
Defend grade |
IP*7 |
Ambient temperature |
-*0~+*0°C |
Relative humidity |
≤*5% |
Atmospheric pressure |
*0~**6KPa |
Voltage |
*******0AC |
Feed current |
*5mA |
Call transmission index |
SLR≤*2,RLR≤*1,STMR≥*0,output impedance:**0Ω |
Frequency response |
**0~***0 Hz |
Lines output audio signal level |
*2dB |
Ambient noise |
≤**5dB |
Distortion factor |
≤2% |
Ringing sound level |
≥*5dB |
installation |
wall-wounted |
国: | China |
モデル番号: | JWBT858 |
离岸价格: | 1 ~ 450 / Set ( Negotiable ) Get Latest Price |
ロケーション: | Zhejiang province |
最低注文量の価格: | 1 per Set |
最低注文量: | 1 Set |
パッケージの詳細: | GW:12kg/ctn |
納期: | 45weekdays |
供給能力: | 500 Set per Month |
支払いタイプ: | T/T, Western Union |
製品グループ : | - |