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1)简今/span>
QRD-1102C系列热导式气体分析器是我公司专门研制的新一代热导式系列热导式气体分析器+/span>基于不同气的热导率差异进行测量,用于在线连续分析H2?/span>Ar等在多种气体混合物中的某种气体含量、/span>
该仪器采用了数字化处理技术,其零炸/span>/量程的手?/span>/自动校准、线性化处理、温度补偿、开关量输出控制、电?/span>/电压输出、系统设置等功能,均使用数字处理技术。仪器具有双量程及中间量程(量程比不大于1:10)功能。同时,仪器具有通讯功能,包?/span>RS232?/span>RS485?/span>CAN总线及以太网,经一条通讯线缆,可将其测量信息等发送给其他数字设备(计算机?/span>DCS系统),可用于实现仪器状态的远程在线监测。产品广泛用于:
●化肥工业合成氨流程中氢气含量测量;
●核电站氢冷却系统中氢浓度监测;
●核电站安全壳氢泄露监测:/span>
●实验室中燃烧试验气体含量监测;
●制气站或其它气体中氢纯度分析;
●空分系统氩含量测量氩纯度测量;
◎/span>QRD-1102C Ex热导式分析器主要用于化工、化肥、氢工业等部门的防爆场合、/span>
2)技术参?/span>
应用范围9/span>
●测量组份:H2?/span>Ar
◎/span>量程范围:(0}/span>100(/span>%(可在量程范围内选择不同规格(/span>
?小量程:H2'/span>0}/span>1(/span>%
Ar'/span>0}/span>15(/span>%
●标准量程:H2'/span>0}/span>2(/span>%'/span>0}/span>10(/span>%
'/span>40}/span>80(/span>%'/span>80}/span>100(/span>%
'/span>95}/span>100(/span>%
Ar'/span>0}/span>15(/span>%'/span>80}/span>100(/span>%
技术指标:
◎/span>里/span>夌/span>性:≣/span>0.5%
◎/span>零点漂移?#177;1%FS/7d
◎/span>量程漂移?#177;1%FS/7d
◎/span>线性误差:1%FS
◎/span>环境温度影响?#177;1% FS/10ℂ/span>
◎/span>响应时间:≤25s
◎/span>办/span>率:﹣/span>60W
◎/span>里/span>量:?/span>10Kg
防爆产品9/span>
◎/span>防爆等级9/span>ExdⅠ/span>CT6
◎/span>防护等级9/span>IP65
◎/span>响应时间:≤30s
◎/span>里/span>量:?/span>50Kg
正常工作条件9/span>
◎span>环境温度:(5?5)℃
◎span>环境湿度:≤80%(冷凝除外)
◎span>电源电压:(22022)VAC
◎span>电源频率:(500.5)Hz
◎span>大气压力:当地大气压5$/span>
◎span>空气流速:?.5m/s
◎span>工作环境:无强磁场、强电场干扰,无强烈腐蚀性气体,无强烈机械震动,避免阳光直射、/span>
◎/span>工作位置9/span>仪器水平放置、/span>
测量输出9/span>
◎/span>隔离电流信号9/span>(0/2/4?0)mA,允许负?0?00)、/span>
●隔离通讯输出9/span>RS232?85串行口(日期、时间、测量值、报警、故障等信息(/span>
◎/span>状态输出接点负荷:隔离接点电负荷,继电器干点(所有继电器(/span>DC: 24V/1A(MAX(/span>
3)主要特点
◎/span>采用高精度热导式检测器,耐腐蚀敏感元件,稳定性好,寿命长:/span>
◎/span>仪器内部全金属气路,耐压,防泄漏:/span>
◎/span>大屏幔/span>LCD显示,全中文菜单操作,有操作提示功能,操作简单高效;
◎/span>全数字化处理,更加准确稳定可靠;
◎/span>标准RS232?/span>Modbus-RTU等数字通讯功能:/span>
◎/span>具有软启动和看门狗功能,保证仪器长时间可靠运行;
◎/span>输出为同步、隔离的'/span>0/2/4-20(/span>mA,输出负载≤400:/span>
●具有完全隔离的校准、故障、报警、量程转换等状态输出信号;
◎/span>标准19″机箱,便于系统集成:/span>
◎/span>防爆产品采用专用隔爆型防爆壳体,可用亍/span>1区,2区爆炸性环境中、/span>
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