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一.概述
LB-70D型自动烟尘（气）测试仪是在我公司原有70C的基础上,研发人员精心研制的新一代产品，该仪器吸收了同类仪器之优。该机技术性能指标符合国家环保局颁布的烟气测试仪的有关规定。适用于各种锅炉.工业炉窑SO2.NO.NO2.2.H2S等有害气体的排放浓度.折算浓度和排放总量的测定及各类脱硫设备效率的测定。LB-70D型自动烟尘(气)测试仪
二.主要特点
1.测试仪采用 6寸液晶显示屏幕，自动背光照明，中文菜单显示人机对话方式，操作简单明了，用户可根据仪器提示直接操作.LB-70D型自动烟尘(气)测试仪
2.测试仪具备 USB 接口，可外接 U 盘，对测试数据进行转存输出。
3.选用蓝牙打印机，速度快，不 易出错，噪声低。
4.使用特殊防尘防水键盘，按照电脑键盘布局精心设计，烟道名称可中.英方式任意输入。
5.支持交、直流两种供电方式。内置超大电池组，保证烟气正常工作8 小时。
6.测试仪的烟尘、烟气采样气路均使用高效粉尘过滤器。易于观察、更换，大大降低了烟尘、烟气采样系统故障。
7.采用贴片成型工艺，进口贴片器件，可靠性高，故障律低。
8.测试仪具有采样过程停电记忆功能。在断时自动保存工作数据，来电后可恢复停电前的采样。
9.测试仪具备故障检测功能，可对主要器件、主要功能及通讯故障进行检测并生成故障报表，方便用户的维护和使用。
10.测试仪具有防倒吸功能，可防止采样结束后滤筒中采集的烟尘被倒吸出来，保证采样数据的准确性。
11.可选打印机选项，烟气监测数据繁多，不同的测试目的对数据要求各异，该机具有选择打印项功能，可根据需求来选择要打印的数据。
12.用户密码保护.进行内部参数校正时，必须输入正确密码，确保仪器数据安全。
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三.采用标准
JJG 680-2007 《烟尘采样器》
JJG 968-2002 《烟气分析仪》
HJ/T 48-1999 《烟尘采样器技术条件》
四.工作条件
a) 工作电源：AC（220±22）V，50Hz 或 DC24V，内置电池供电。
b) 环境温度：(-20～70)℃。
环境湿度：(0～95)%RH。
大气压力：(80～110)kPa。
适用环境：非防爆场合。
工作电源接地线应良好接地。
野外工作时，应有防雨、雪、尘以及日光曝晒等侵袭的措施
烟尘部分技术指标详见表 1。
|
烟尘部分技术指标
|
参数范围
|
分辨率
|
准确度
|
|
采样流量
|
(10～60) L/min
|
0.1 L/min
|
不超过±2.5%FS
|
|
烟气动压
|
(0～2000) Pa
|
1 Pa
|
不超过±2%FS
|
|
烟气静压
|
(-30～＋30) kPa
|
0.01 kPa
|
不超过±4%FS
|
|
流量计前压力
|
(-30～0) kPa
|
0.01 kPa
|
不超过±2.5%FS
|
|
流量计前温度
|
(-55～125)℃
|
0.1℃
|
不超过±2.5℃
|
|
烟气温度
|
(0～500) ℃
(可扩充到 800℃)
|
1℃
|
不超过±3℃
|
|
干湿球温度（可选）
|
(0～100)℃
|
0.1℃
|
不超过±1.5%
|
|
等速采样流速
|
（5～45）m/s
|
0.1 m/s
|
不超过±5%
|
|
等速跟踪响应时间
|
不超过 20s
|
|
采样泵负载能力
|
≥ 50 L/min (阻力为 20kPa 时)
|
|
数据存储能力
|
50000 组
|
|
zui大采样体积
|
9999.9L
|
0.1L
|
—
|
|
外型尺寸（长×宽×高）
|
350mm×170mm×310mm
|
|
仪器噪声
|
＜80dB(A)
|
|
整机重量
|
约 9kg
|
|
功耗
|
＜180W
|
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