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$(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p><span>Thermo Scientific<sup>TM </sup>Alpha<sup>TM </sup>系列同时提供传统型传感器和模拟量型控制器，用� pH/ORP、电导率、电阻率和溶解氧的测量。这些分析系统运行稳定，精度高，并具有先进的控制方式、�/span></p><p><strong><span>Alpha 2000 系列</span></strong></p><p><span>此高端系�?/2 DIN控制器功能强大，用于过程控制、数据传输，性能稳定可靠。此系列控制器提� PID 控制，能达到极高的控制精度。此外还提供脉冲频率和脉冲宽度可调的比例控制，以及开关量控制（迟滞宽度可调），实现良好的控制效果、�/span></p><p><span>Alpha 2000W 系列广泛应用于多种过程控制场合，安装方式包括壁挂式、管道和面板式安装，防护等级 NEMA 4X。此控制器还可实现电极的自清洗，两路独立的用于测量参数和温度�?-20 mA 输出，以及保持功能（HOLD）使得控制功能与外部设备（如浮子、流量开关）结合，实现安全控制、�/span></p><p><strong><span>pH2000W 主要特点</span></strong></p><p><span>1. 可编程的开关量控制、比例控制（脉冲宽度或脉冲频率）：应</span>用于精确的过程控刵�/p><p><span>2. 带自动缓冲液识别功能的自动校准：消除了校准中可能发生皃�/span>错误</p><p><span>3. 对称模式：可消除溶液接地使用中的电磁干扰</span></p><p><span>4. 背光显示功能：在昏暗环境中也能清晰读�?/span></p><p><span>5. 通用电源输入� 85-250VAC/DC，满足多种场合使用且抗电</span>压波�?/p><p><span>6. 防护等级� NEMA 4X，防止控制器在工业条件使用时被污柒�/span></p><p><span>7. 二级密码保护：可以防止用户未经授权随意更改设�?/span></p><p><span>8. 可调的时间延迟功能（ 0-2000秒）：控制和报警继电�?/span></p><p><span>9. 继电器保持（ HOLD）功能：与浮� /流量开关或其他控制�?/span>结合，用于安全控制功胼�/p><p><span>10. 两路独立� 0/4-20 mA输出（可调）：用� pH/ORP和温�?/span></p><p><span>11. 清洗功能继电器：用户可自行设置清洗频率和时间</span></p><p><span>12. 可选择玻璃电极或锑电极：用于常规的测定或氢氟酸存在下的</span>测定</p><p><span>13. 具有可调的迟滞宽度（死区）能：够防止继电器在设定点周図�/span>频繁波动</p><p><span>14. 内置的记忆芯片：保证在关机和非正常关机时设定参数和校凅�/span>信息不会丢失</p><p><span>15. 大屏幕双显示屏：同时显示 pH（或 ORP）和温度，并清晰�?/span>显示多种图标、设定点和状态信�?/p><p><span>16. 可选温度电极： Pt 100/1000�?线或 3纾�/span></p><p><span>17. 安装简便并有可拆卸的接叢�/span></p><p><strong>订购信息</strong></p><p></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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