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主要功能特点：             一体化结构设计；       采用分流式取样技术、柴油机加速、减速和稳速时均可测量烟度；       数据自动线性化处理，可显示不透光度N、光吸收系数K；       高亮度数码显示；       采用“空气幕”技术保护光学系统免受污染；       检测室自动恒温控制，可防冷凝而影响测试精度；        附自动时间显示,可选配转速测量和油温测量；       出现故障自动诊断显示所在单元；       配内置打印机（或数字RS－232A接口或模拟接口）。   主要技术参数： 测量范围              不透光度N:0～(相当烟度值0～10FSN)  光吸收系数K:0～16.06m^-1 示值误差              ≤±2%(测量值) 稳定性                自动校零，量矩漂移≤±1%/4h 重复性                重复误差≤±1% 分辨率                0.1% 输出方式              数字直读显示，可附打印机打印烟浓度(暗度)值，测试                       时间、日期等。可附接口与计算机联网 测量烟度温度          70℃(自动恒温)，当温度误差≥±10%时，温度及错误指示                       灯亮 环境条件              温度0～40℃，相对湿度≤90% 电源                  AC100-240V 50Hz 消耗功率150VA 外形尺寸（含支架）    160mm(深)×400mm(宽)×480mm(高)  重量                  约8kg Main Features: ◆Integrated Structural Design ◆Adopted a triage-type sampling technique, diesel engine acceleration, deceleration, and steady speed can be measured when the smoke ◆Linear automatic data processing, can be displayed opacity degrees N, light absorption coefficient K and the corresponding value of filter paper-type smoke SF ◆High-brightness digital display; ◆Use of "air curtain" technology to protect the optical system from pollution ◆Automatic detection of room temperature control, anti-condensation can affect the testing accuracy ◆Automatically attached to the time display, and optional speed measurement and oil temperature measurement ◆Show where the failure of automatic diagnosis unit; ◆Equipped with built-in printer (or digital RS-232A interface or analog interface)   Main technical parameters: Test Scope：No light transmission N:：0～ (equivalent to smoke value 0 ~ 10FSN) Light absorption coefficient K：0-16 .06 m^-1  Shows the value error：≤ ± 2% (measured value) Stability：Automatic zero, volume moments drift ≤ ± 1% / 4h Repeatability：Repeat the error ≤ ± 1% Resolution：0.1% Output Mode：Digital direct-reading shows that smoke concentrations can be attached printer (dark degrees) the maximum test time, date and so on. Can be attached to interface with the computer network Measurement of smoke temperature：70 ℃ (automatic constant temperature), when the temperature error of ≥ ± 10%, the temperature and the error indicator light Environmental conditions：Temperature 0 ~ 40 ℃, relative humidity ≤ 90% Power：AC100-240V  50Hz Power consumption 150VA Dimensions (with stand)：160mm (depth) × 400mm (width) × 480mm (H) Weight：about 8kg