电线电缆烟密度测试仪
编号：GD201311030069
规格：DLMD-A
DLMD-A电线电缆烟密度测试仪
满足标准： GB/T17651.1、17651.2－1998、IEC61034－１～61034－２：1997标准规定。
产品用途：与卤酸气体测试仪同时配合使用，是检验电线电缆及光缆低阻燃性电缆评定发烟特性*的专业仪器。
工作原理：
电缆或光缆在特定条件下燃烧的烟密度光测系统由光源、硅光电池接受器和计算机系统组成。光源产生的光通过3m×3m×3m的烟密度实验室，在光源对面的墙上形成一直径1.5m±0.1m 的均匀光束，安装在光束中心处的光电池检测来自光源的光束强度。当燃烧室内由于燃烧电缆或光缆产生大量烟雾时，烟把光电吸收掉一部分，达到硅光电池的光束强度就减弱，通过计算机系统对数据进行处理，就能够计算出相对于初始时为100%的具有线性响应的透光率It。
本仪器涉及机械、光学、电子三个方面的专业知识，是机光电一体化产品，具有结构合理、性能稳定、操作简便等优点；具有WINDOWS XP操作系统、LabVIEW风格界面、完善的安全机制。测试期间实时显示测量结果并动态地绘出曲线，数据可以*保存、调阅和打印输出。
产品组成：
1、可积木式实验室（国标要求的实验室面积为3m×3m×3m，本套系统中的实验室可根据客户的实际场地进行积木调整，实验室中包括挡风板、燃烧盘、试样支架、循环风扇、精密净化稳压电源系统、连接系统、电气控制系统等）；
2、*德国光源系统（标称光源和硅光接收系统）；
3、数据采集处理及计算机全自动控制试验系统；
产品性能指标：
1、透光率（吸收率）测试精度±1%
2、标称功率：100W
标称电压：12V
标称光通量: 2000-3000lm
标称色温：2800-3200K
3、电源输入AC220V
4、功率 600W
5、标准光灯功率100 W
6、信号输出RS232C标准电平
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
产品图片：
（控制系统） （实验室）
产 品 配 置
序 号 | 名 称 | 数 量 |
1 | 计算机 | 1套 |
2 | 烟密度测试软件 | 1套 |
3 | 控制箱 | 1台 |
4 | 转换卡 | 1个 |
5 | 静化高精度稳压电源 | 1台 |
6 | 发射器 | 1个 |
7 | 接收器 | 1个 |
8 | 密封箱 | 2个 |
9 | 燃烧支架 | 1套 |
10 | 风速搅拌器 | 1个 |
11 | 说明书 合格证 | 1套 |
