電線電纜煙密度測試儀
編號：GD201311030069
規(guī)格：DLMD-A
DLMD-A電線電纜煙密度測試儀
滿足標(biāo)準(zhǔn)： GB/T17651.1、17651.2－1998、IEC61034－１～61034－２：1997標(biāo)準(zhǔn)規(guī)定。
產(chǎn)品用途：與鹵酸氣體測試儀同時配合使用，是檢驗電線電纜及光纜低阻燃性電纜評定發(fā)煙特性*的專業(yè)儀器。
工作原理：
電纜或光纜在特定條件下燃燒的煙密度光測系統(tǒng)由光源、硅光電池接受器和計算機(jī)系統(tǒng)組成。光源產(chǎn)生的光通過3m×3m×3m的煙密度實(shí)驗室，在光源對面的墻上形成一直徑1.5m±0.1m 的均勻光束，安裝在光束中心處的光電池檢測來自光源的光束強(qiáng)度。當(dāng)燃燒室內(nèi)由于燃燒電纜或光纜產(chǎn)生大量煙霧時，煙把光電吸收掉一部分，達(dá)到硅光電池的光束強(qiáng)度就減弱，通過計算機(jī)系統(tǒng)對數(shù)據(jù)進(jìn)行處理，就能夠計算出相對于初始時為100%的具有線性響應(yīng)的透光率It。
本儀器涉及機(jī)械、光學(xué)、電子三個方面的專業(yè)知識，是機(jī)光電一體化產(chǎn)品，具有結(jié)構(gòu)合理、性能穩(wěn)定、操作簡便等優(yōu)點(diǎn)；具有WINDOWS XP操作系統(tǒng)、LabVIEW風(fēng)格界面、完善的安全機(jī)制。測試期間實(shí)時顯示測量結(jié)果并動態(tài)地繪出曲線，數(shù)據(jù)可以*保存、調(diào)閱和打印輸出。
產(chǎn)品組成：
1、可積木式實(shí)驗室（國標(biāo)要求的實(shí)驗室面積為3m×3m×3m，本套系統(tǒng)中的實(shí)驗室可根據(jù)客戶的實(shí)際場地進(jìn)行積木調(diào)整，實(shí)驗室中包括擋風(fēng)板、燃燒盤、試樣支架、循環(huán)風(fēng)扇、精密凈化穩(wěn)壓電源系統(tǒng)、連接系統(tǒng)、電氣控制系統(tǒng)等）；
2、*德國光源系統(tǒng)（標(biāo)稱光源和硅光接收系統(tǒng)）；
3、數(shù)據(jù)采集處理及計算機(jī)全自動控制試驗系統(tǒng)；
產(chǎn)品性能指標(biāo)：
1、透光率（吸收率）測試精度±1%
2、標(biāo)稱功率：100W
標(biāo)稱電壓：12V
標(biāo)稱光通量: 2000-3000lm
標(biāo)稱色溫：2800-3200K
3、電源輸入AC220V
4、功率 600W
5、標(biāo)準(zhǔn)光燈功率100 W
6、信號輸出RS232C標(biāo)準(zhǔn)電平
Wire and cable smoke density tester
Number: GD201311030069
Specification: DLMD - A
DLMD - A wire and cable smoke density tester
Meet the standards: GB/T17651.1, 17651.2 1998, IEC61034-1 ~ 21, 61034-61034 standard.
Product use: used with halogen acid gas tester at the same time, test wire and cable and optical fiber cable is low flame retardant cable assess smoke characteristics essential professional instrument.
Working principle:
Cable or fiber under certain conditions of combustion smoke density measuring system is composed of light source, silicon photocell of receiver and the computer system. Light source of light by 3 m x 3 m x 3 m smoke density of the laboratory, in the wall opposite the light source form a uniform beam diameter 1.5 m + 0.1 m, the installation of the photocell detection in the center of the beam intensity of light from a light source. When the combustion chamber due to generate a lot of smoke when burning cable or optical cable, the smoke of photoelectric absorption, achieve the silicon photocell beam intensity is abate, through the computer system for data processing, will be able to calculate the relative to the initial 100% with linear response light transmittance of It.
It involves the mechanical, optical, electronic three aspects of professional knowledge, is the machine products, photoelectric integration has advantages of reasonable structure, stable performance, easy operation; With WINDOWS XP operating system, LabVIEW interface style, perfect security mechanism. During testing real-time display measurement results and dynamically draw perfect curve, the data can be stored permanently and read and print output.
The component of product:
1, building block laboratory (national standard of lab area of 3 m x 3 m x 3 m, this set of system in the laboratory can be adjusted according to the customer's actual area for building blocks, in the laboratory including wind deflector, burning plate, sample holder, circulating fan, precision purifying regulated power supply system, connection system and electric control system, etc.);
2, light source system imported from Germany (nominal light source and silicon optical receiving system);
3, data acquisition, processing and computer automatic control test system;
Product performance indicators:
1, light transmittance (absorption) testing accuracy + / - 1%
2, nominal power: 100 w
Nominal voltage: 12 v
Nominal flux: 2000-3000 lm
Nominal color temperature: 2800-3200 k
3, power input AC220V
4, power 600 w
5, the standard light power 100 W
6, signal output RS232C standard level
產(chǎn)品圖片：
（控制系統(tǒng)） （實(shí)驗室）
產(chǎn) 品 配 置
序 號 | 名 稱 | 數(shù) 量 |
1 | 計算機(jī) | 1套 |
2 | 煙密度測試軟件 | 1套 |
3 | 控制箱 | 1臺 |
4 | 轉(zhuǎn)換卡 | 1個 |
5 | 靜化高精度穩(wěn)壓電源 | 1臺 |
6 | 發(fā)射器 | 1個 |
7 | 接收器 | 1個 |
8 | 密封箱 | 2個 |
9 | 燃燒支架 | 1套 |
10 | 風(fēng)速攪拌器 | 1個 |
11 | 說明書 合格證 | 1套 |
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