LD-3C型激光粉尘仪是以激光为光源具有*水平的型袖珍式粉尘仪。*符合卫生部行业标准的快速测尘仪；已有千台以上在全国各地使用。
该仪器适用于公共场所可吸入颗粒物（PM10）浓度的快速测定、工矿企业生产现场等劳动卫生方面粉尘浓度的检测，以及环境保护领域可吸入尘浓度的监测，还可用于空气净化器净化效率的评价。
·引进日本全套生产制造及检测标定技术及设备
·符合卫生部行业标准WS/T206－2001《公共场所空气中可吸入颗粒物（PM10）测定方法－ 光散射法》
·符合劳动部行业标准LD98－1996《空气中粉尘浓度的光散射式测定法》
·符合*行业标准TB/T2323-92《铁路作业现场粉尘测定相对质量浓度与质量浓度转换方法。
Preview：
LD-3C model laser dust monitor is an inligent multifunctional portable monitor developed by Beijing BINDA Green Technology Ltd. –the former Dust Group of Beijing Institute New Technology Application. Being one kind of advanced world standard dust monitor, the monitor can be used to quickly measure inhalable particle--PM10-- concentration in public, measure the labor hygiene related dust concentration at the field of productionmonitor inhalable dust concentration in environmental protection, as well as evaluate the efficiency of an air cleaner.
The monitor is a light-scattering one with a laser light source. The quality control comes up to the national technology supervision ministry’s standard—Light-scattering Type Digital Dust Monitor Quality Control Regulations JJG 846-93the operation comes up to the labor ministry’s standard—Light-scattering Measurement of the Dust Concentration in Air LD98-1996hygiene ministry’s standard—Measurement Method of Inhalable Particle Concentration PM10 in Air in Public, Light-scattering Method WS/T206-2001.
主要特点：
可直读颗粒物质量浓度（mg/m3），1分钟出结果； 测量快速、准确、检测灵敏度高； 设计了自校系统,仪器性能稳定可靠； 具有气幕屏蔽及洁净气自清洗功能，确保光学系统不受污染； 实现了软件自动调零； 具有与计算机双向通讯功能，可通过PC机进行数据处理，打印出曲线及表格； 具有颗粒物浓度连续监测、定时采样以及粉尘浓度超标报警等多种功能； 主要技术指标 检测灵敏度： LD－3C（L） 0.01mg/m3 ；
LD－3C（H） 0.001 mg/m3 ； 测定范围： LD－3C（L） 0.01~100 mg/m3 ；
LD－3C（H） 0.001~10 mg/m3 ； 测定时间：采样标准时间为1分钟，设有0.1、1、2、5、10分钟及手动档（任意设定采样时 间）； 重复性误差： ≤±2%； 测量精度： ±10% 显 示 屏：带标识4位液晶显示器； 存 贮：可循环存储99组数据； 定时采样：可设定测量时间1~9999秒及采样次数1~9999次 输出接口：PC机通讯接口（RS232）及打印机输出接口 环境温度：0~40℃（储存温度－20~60℃） 电 源：交直流两用，配充电电池及充电器 尺 寸：192×69×140 mm 重 量：1.4Kg
Main Specifications：
1. Measuring sensitivity: LD- 3CL 1 CPM = 0.01 mg/m3;
LD- 3CH 1 CPM = 0.001 mg/m3.
2. Measuring range: LD- 3CL 0.01 ~ 100 mg/m3;
LD-3CH 0.001~10 mg/m3.
3. Measuring time interval: Standard time 1 minute. 0.1 minutemanual timing
alsodelivered, manual timing can set any available
sampling time.
4. Measuring accuracy: ±10%.
5. Display screen: 4 digit liquid crystal screen with indications
6. Data Storage: Cycle store 99 group of data.
7.Time sampling: Measuring time interval 1~9999 second, Power off time 0~9999
second, warm-up time 0~10 secondsampling times 1~9999
can be set.
8. Setting dust concentration alarm threshold:
concentration threshold less than 65 mg/m3; measuring time interval: 1~9999 second.
9. Output interfaces:
1 Serial interface for PC communication: RS 232;
2 Output interface of micro-printer;
3 Output interface for analog value: 0 – 1 V;
4 Output interface for digital value: level signal.
10. Power supply: Ni – MH rechargeable batteries group 1.2 V ´ 4, capacity for 8
hours, 220 V AC / 12 V DC adapter also provided.
11. Dimensions: 192 ´ 69 ´ 140 mm.
12, Weight: 1.4 kg .
