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KTH系列本質(zhì)安全型電話機（Exibl）

詳細信息

型號含義 Model implication

適用范圍 Applications

本系列電話機適用于有甲烷、煤塵等爆炸性混合物氣體的煤礦井下，做為采煤工作面、掘進工作面、裝載點、運輸巷、變
電所、水泵房等場所的通訊工具，與煤礦總機聯(lián)合使用，構(gòu)成礦用生產(chǎn)調(diào)度和行政通訊網(wǎng)絡(luò)。
The series telephone is used under the coal mine which is full of explosive mixture gas such as methane, coal-dust and soon, in medium surrouded,it can work as a commu-nication tool along the workplaces such as coal-cutting and water pumphouse etc, it can work with cioal-mining main telephone and be come the commuication net of mining production dispatchingand admin stration.

產(chǎn)品特點 Features

KTH型電話機為本質(zhì)安全型，機體外殼采用鋁合金鑄成，并用優(yōu)質(zhì)按鍵盤，具有方便可靠等特點。
KTH type telephone is intrinsic -safety type, its shell is of diecasted A1-alloy,and the telephone use good typing type keyboard,and has the featrues of convie-nce and security.

主要技術(shù)參數(shù) Main technical parameters

型號
Type		 額定饋電
電壓(V)
Rated feedelectricity
voltage		 額定饋電電流
(mA)
Rated feedelectricity
current		 振鈴電流(mA)
Liberating bell
current(mA)		 振鈴電壓
(2000,Hz)
Liberating bell
voltage
(2000,Hz)		 通話性能(參與當量)dB
Call capability(Remete)dB		 振鈴聲級
(dB)
Liberating
bell soundgrade(
dB)
客觀發(fā)送
Impersonal
send		 客觀接收
Impersonal
receive
KTH DC24/48 ≤20 ≤65 ≤20 經(jīng)5Km仿真
線≤+18
By 5Km copied
string≤+18		 經(jīng)5Km仿真
線≤2
By 5Km copied
string≤2		 ≥80

 

 

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