古冶区SANIL开关SKD-30M,M30,2-30mm,Non-sheild,韩国Sinwoo S-CON变送器。中山立讯电气有限公司,中山朗立电气有限公司

MUL-2A1-W MUL-2A1-X MUL-2A1-Y MUL-2A1-Z
MUL-2A2-W MUL-2A2-X MUL-2A2-Y MUL-2A2-Z
MUL-2A3-W MUL-2A3-X MUL-2A3-Y MUL-2A3-Z
MUL-2A4-W MUL-2A4-X MUL-2A4-Y MUL-2A4-Z
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MUL-2A7-W MUL-2A7-X MUL-2A7-Y MUL-2A7-Z
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MUL-2DR-W MUL-2DR-X MUL-2DR-Y MUL-2DR-Z
MUL-2DN-W MUL-2DN-X MUL-2DN-Y MUL-2DN-Z
MUL-2E1-W MUL-2E1-X MUL-2E1-Y MUL-2E1-Z
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MUL-2ER-W MUL-2ER-X MUL-2ER-Y MUL-2ER-Z
MUL-2EN-W MUL-2EN-X MUL-2EN-Y MUL-2EN-Z
MUL-2F1-W MUL-2F1-X MUL-2F1-Y MUL-2F1-Z
MUL-2F2-W MUL-2F2-X MUL-2F2-Y MUL-2F2-Z
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MUL-2G4-W MUL-2G4-X MUL-2G4-Y MUL-2G4-Z
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MUL-2GR-W MUL-2GR-X MUL-2GR-Y MUL-2GR-Z
MUL-2GN-W MUL-2GN-X MUL-2GN-Y MUL-2GN-Z
MUL-2H1-W MUL-2H1-X MUL-2H1-Y MUL-2H1-Z
MUL-2H2-W MUL-2H2-X MUL-2H2-Y MUL-2H2-Z
MUL-2H3-W MUL-2H3-X MUL-2H3-Y MUL-2H3-Z
MUL-2H4-W MUL-2H4-X MUL-2H4-Y MUL-2H4-Z
MUL-2H5-W MUL-2H5-X MUL-2H5-Y MUL-2H5-Z
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MUL-2H7-W MUL-2H7-X MUL-2H7-Y MUL-2H7-Z
MUL-2H8-W MUL-2H8-X MUL-2H8-Y MUL-2H8-Z
MUL-2HR-W MUL-2HR-X MUL-2HR-Y MUL-2HR-Z
MUL-2HN-W MUL-2HN-X MUL-2HN-Y MUL-2HN-Z
MUL-4A1-W MUL-4A1-X MUL-4A1-Y MUL-4A1-Z
MUL-4A2-W MUL-4A2-X MUL-4A2-Y MUL-4A2-Z
MUL-4A3-W MUL-4A3-X MUL-4A3-Y MUL-4A3-Z
MUL-4A4-W MUL-4A4-X MUL-4A4-Y MUL-4A4-Z
MUL-4A5-W MUL-4A5-X MUL-4A5-Y MUL-4A5-Z
MUL-4A6-W MUL-4A6-X MUL-4A6-Y MUL-4A6-Z
MUL-4A7-W MUL-4A7-X MUL-4A7-Y MUL-4A7-Z
MUL-4A8-W MUL-4A8-X MUL-4A8-Y MUL-4A8-Z
MUL-4AR-W MUL-4AR-X MUL-4AR-Y MUL-4AR-Z
MUL-4AN-W MUL-4AN-X MUL-4AN-Y MUL-4AN-Z
MUL-4B1-W MUL-4B1-X MUL-4B1-Y MUL-4B1-Z

输入阻抗为250W〗18．功率消耗:不大于30W19．正常工作环境:温度范围：0～50°C湿度范围：10～85%R?H20．电源电压:220V;50Hz21．外形尺寸:144′144′200mm22．开孔尺寸:138′138mm工作原理编辑每路输入信号经程控放大，24位分辨率A/D转换，光电隔离送至单片机处理。从而消除了各输入通道之间的干扰，消除了输入通道与CPU之间的干扰。使用高精度数字温度传感器，进行热电偶的冷端温度补偿。为了提高长期稳定性，本记录仪放弃了传统的用电位器调整放大倍数及零点的方法，代之以软件程序调校法，并实现了放大倍数的程控放大。出厂前厂方对各项参数均已调试完成。用户可通过键盘设定对系统误差进行平移校正。
古冶区SANIL开关SKD-30M,M30,2-30mm,Non-sheild,

MUL-4B2-W MUL-4B2-X MUL-4B2-Y MUL-4B2-Z
MUL-4B3-W MUL-4B3-X MUL-4B3-Y MUL-4B3-Z
MUL-4B4-W MUL-4B4-X MUL-4B4-Y MUL-4B4-Z
MUL-4B5-W MUL-4B5-X MUL-4B5-Y MUL-4B5-Z
MUL-4B6-W MUL-4B6-X MUL-4B6-Y MUL-4B6-Z
MUL-4B7-W MUL-4B7-X MUL-4B7-Y MUL-4B7-Z
MUL-4B8-W MUL-4B8-X MUL-4B8-Y MUL-4B8-Z
MUL-4BR-W MUL-4BR-X MUL-4BR-Y MUL-4BR-Z
MUL-4BN-W MUL-4BN-X MUL-4BN-Y MUL-4BN-Z
MUL-4C1-W MUL-4C1-X MUL-4C1-Y MUL-4C1-Z
MUL-4C2-W MUL-4C2-X MUL-4C2-Y MUL-4C2-Z
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MUL-4C7-W MUL-4C7-X MUL-4C7-Y MUL-4C7-Z
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MUL-4CR-W MUL-4CR-X MUL-4CR-Y MUL-4CR-Z
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MUL-4DR-W MUL-4DR-X MUL-4DR-Y MUL-4DR-Z
MUL-4DN-W MUL-4DN-X MUL-4DN-Y MUL-4DN-Z
MUL-4E1-W MUL-4E1-X MUL-4E1-Y MUL-4E1-Z
MUL-4E2-W MUL-4E2-X MUL-4E2-Y MUL-4E2-Z
MUL-4E3-W MUL-4E3-X MUL-4E3-Y MUL-4E3-Z
MUL-4E4-W MUL-4E4-X MUL-4E4-Y MUL-4E4-Z
MUL-4E5-W MUL-4E5-X MUL-4E5-Y MUL-4E5-Z
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MUL-4ER-W MUL-4ER-X MUL-4ER-Y MUL-4ER-Z
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MUL-4F2-W MUL-4F2-X MUL-4F2-Y MUL-4F2-Z
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MUL-4F4-W MUL-4F4-X MUL-4F4-Y MUL-4F4-Z

采用软启动器，可以控制电动机电压，使其在启动过程中逐渐升高，很自然地控制启动电流，这就意味着电动机可以平稳启动，机械和电应力降至。因此软启动器在市场上得到广泛应用，并且软启动器所附带的软停车功能有效地避免水泵停止时所产生的“水锤效应”。异步电动机以其优良的性能及无需维护的特点，在各行各业中得到广泛的应用。然而由于其起动时要产生较大冲击电流（一般为额定电流的5-8倍），同时由于起动应力较大，使负载设备的使用寿命降低。国家有关部门对电机起动早有明确规定，即电机起动时的电网电压将不能超过15%。解决办法有两个：增大配电容量，采用限制电机起动电流的起动设备，如果仅仅为起动电机而增大配电容，从经济角度上来说。
古冶区SANIL开关SKD-30M,M30,2-30mm,Non-sheild,

MUL-4F5-W MUL-4F5-X MUL-4F5-Y MUL-4F5-Z
MUL-4F6-W MUL-4F6-X MUL-4F6-Y MUL-4F6-Z
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MUL-4G1-W MUL-4G1-X MUL-4G1-Y MUL-4G1-Z
MUL-4G2-W MUL-4G2-X MUL-4G2-Y MUL-4G2-Z
MUL-4G3-W MUL-4G3-X MUL-4G3-Y MUL-4G3-Z
MUL-4G4-W MUL-4G4-X MUL-4G4-Y MUL-4G4-Z
MUL-4G5-W MUL-4G5-X MUL-4G5-Y MUL-4G5-Z
MUL-4G6-W MUL-4G6-X MUL-4G6-Y MUL-4G6-Z
MUL-4G7-W MUL-4G7-X MUL-4G7-Y MUL-4G7-Z
MUL-4G8-W MUL-4G8-X MUL-4G8-Y MUL-4G8-Z
MUL-4GR-W MUL-4GR-X MUL-4GR-Y MUL-4GR-Z
MUL-4GN-W MUL-4GN-X MUL-4GN-Y MUL-4GN-Z
MUL-4H1-W MUL-4H1-X MUL-4H1-Y MUL-4H1-Z
MUL-4H2-W MUL-4H2-X MUL-4H2-Y MUL-4H2-Z
MUL-4H3-W MUL-4H3-X MUL-4H3-Y MUL-4H3-Z
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MUL-7F1-W MUL-7F1-X MUL-7F1-Y MUL-7F1-Z
MUL-7F2-W MUL-7F2-X MUL-7F2-Y MUL-7F2-Z

可以将传感器固定在河底，用引压管消除大气压力，从而直接测得水位。压力式水位计有两类。一类为气泡型，在引压管中不断输气，用自动调节的压力天平将水压力转换成机械转角量，从而带动记录机构。另一类为电测型，它应用固态压阻器件作传感器，可直接将水压力转变成电压模量或频率量输出,用导线传输至岸上进行处理和记录（图2）。声波式水位计是反射式水位计的一种，应用声波遇不同介面反射的原理来测定水位。分为气介式和水介式两类。气介式以空气为声波的传播介质，换能器置于水面上方，由水面反射声波，根据回波时间可计算并显示出水位。仪器不接触水体，完全摆脱水中泥沙，流速冲击和水草等不利因素的影响。水介式是将换能器安装在河底，向水面发射声波。
古冶区SANIL开关SKD-30M,M30,2-30mm,Non-sheild,

MUL-7F3-W MUL-7F3-X MUL-7F3-Y MUL-7F3-Z
MUL-7F4-W MUL-7F4-X MUL-7F4-Y MUL-7F4-Z
MUL-7F5-W MUL-7F5-X MUL-7F5-Y MUL-7F5-Z
MUL-7F6-W MUL-7F6-X MUL-7F6-Y MUL-7F6-Z
MUL-7F7-W MUL-7F7-X MUL-7F7-Y MUL-7F7-Z
MUL-7F8-W MUL-7F8-X MUL-7F8-Y MUL-7F8-Z
MUL-7FR-W MUL-7FR-X MUL-7FR-Y MUL-7FR-Z
MUL-7FN-W MUL-7FN-X MUL-7FN-Y MUL-7FN-Z
MUL-7G1-W MUL-7G1-X MUL-7G1-Y MUL-7G1-Z
MUL-7G2-W MUL-7G2-X MUL-7G2-Y MUL-7G2-Z
MUL-7G3-W MUL-7G3-X MUL-7G3-Y MUL-7G3-Z
MUL-7G4-W MUL-7G4-X MUL-7G4-Y MUL-7G4-Z
MUL-7G5-W MUL-7G5-X MUL-7G5-Y MUL-7G5-Z
MUL-7G6-W MUL-7G6-X MUL-7G6-Y MUL-7G6-Z
MUL-7G7-W MUL-7G7-X MUL-7G7-Y MUL-7G7-Z
MUL-7G8-W MUL-7G8-X MUL-7G8-Y MUL-7G8-Z
MUL-7GR-W MUL-7GR-X MUL-7GR-Y MUL-7GR-Z
MUL-7GN-W MUL-7GN-X MUL-7GN-Y MUL-7GN-Z
MUL-7H1-W MUL-7H1-X MUL-7H1-Y MUL-7H1-Z
MUL-7H2-W MUL-7H2-X MUL-7H2-Y MUL-7H2-Z
MUL-7H3-W MUL-7H3-X MUL-7H3-Y MUL-7H3-Z
MUL-7H4-W MUL-7H4-X MUL-7H4-Y MUL-7H4-Z
MUL-7H5-W MUL-7H5-X MUL-7H5-Y MUL-7H5-Z
MUL-7H6-W MUL-7H6-X MUL-7H6-Y MUL-7H6-Z
MUL-7H7-W MUL-7H7-X MUL-7H7-Y MUL-7H7-Z
MUL-7H8-W MUL-7H8-X MUL-7H8-Y MUL-7H8-Z
MUL-7HR-W MUL-7HR-X MUL-7HR-Y MUL-7HR-Z
MUL-7HN-W MUL-7HN-X MUL-7HN-Y MUL-7HN-Z
MUL-9A1-W MUL-9A1-X MUL-9A1-Y MUL-9A1-Z
MUL-9A2-W MUL-9A2-X MUL-9A2-Y MUL-9A2-Z
MUL-9A3-W MUL-9A3-X MUL-9A3-Y MUL-9A3-Z
MUL-9A4-W MUL-9A4-X MUL-9A4-Y MUL-9A4-Z
MUL-9A5-W MUL-9A5-X MUL-9A5-Y MUL-9A5-Z
MUL-9A6-W MUL-9A6-X MUL-9A6-Y MUL-9A6-Z
MUL-9A7-W MUL-9A7-X MUL-9A7-Y MUL-9A7-Z
MUL-9A8-W MUL-9A8-X MUL-9A8-Y MUL-9A8-Z
MUL-9AR-W MUL-9AR-X MUL-9AR-Y MUL-9AR-Z
MUL-9AN-W MUL-9AN-X MUL-9AN-Y MUL-9AN-Z
MUL-9B1-W MUL-9B1-X MUL-9B1-Y MUL-9B1-Z
MUL-9B2-W MUL-9B2-X MUL-9B2-Y MUL-9B2-Z
MUL-9B3-W MUL-9B3-X MUL-9B3-Y MUL-9B3-Z
MUL-9B4-W MUL-9B4-X MUL-9B4-Y MUL-9B4-Z
MUL-9B5-W MUL-9B5-X MUL-9B5-Y MUL-9B5-Z

由于MAX810L的复位门槛电平为4.65V，因此其RESET端输出为高电平，迫使Q1关断，从而使负载与输入电源断开。MAX668通过外部反馈电阻网络设定5V输出电压。当输出电压超MAX810L的复位门槛电平时，其内部单稳电路开始工作并延时约240ms。之后，MAX810L的输出变低，使Q1导通。Q1导通之后，MAX810L一直监测输出电压以确定输出是否过流。过载将会导致输出电压下降，当它低于MAX810L门槛电平时，MAX810L的输出经过20μs的延迟后由高变低，从而关断Q1并使负载断开。由于MAX668的升压作用，MAX810电源端电压又会高于其门槛电平，240ms的复位延迟时间后，MAX810L输出再次由高变低。
古冶区SANIL开关SKD-30M,M30,2-30mm,Non-sheild,

MUL-9B6-W MUL-9B6-X MUL-9B6-Y MUL-9B6-Z
MUL-9B7-W MUL-9B7-X MUL-9B7-Y MUL-9B7-Z
MUL-9B8-W MUL-9B8-X MUL-9B8-Y MUL-9B8-Z
MUL-9BR-W MUL-9BR-X MUL-9BR-Y MUL-9BR-Z
MUL-9BN-W MUL-9BN-X MUL-9BN-Y MUL-9BN-Z
MUL-9C1-W MUL-9C1-X MUL-9C1-Y MUL-9C1-Z
MUL-9C2-W MUL-9C2-X MUL-9C2-Y MUL-9C2-Z
MUL-9C3-W MUL-9C3-X MUL-9C3-Y MUL-9C3-Z
MUL-9C4-W MUL-9C4-X MUL-9C4-Y MUL-9C4-Z
MUL-9C5-W MUL-9C5-X MUL-9C5-Y MUL-9C5-Z
MUL-9C6-W MUL-9C6-X MUL-9C6-Y MUL-9C6-Z
MUL-9C7-W MUL-9C7-X MUL-9C7-Y MUL-9C7-Z
MUL-9C8-W MUL-9C8-X MUL-9C8-Y MUL-9C8-Z
MUL-9CR-W MUL-9CR-X MUL-9CR-Y MUL-9CR-Z
MUL-9CN-W MUL-9CN-X MUL-9CN-Y MUL-9CN-Z
MUL-9D1-W MUL-9D1-X MUL-9D1-Y MUL-9D1-Z
MUL-9D2-W MUL-9D2-X MUL-9D2-Y MUL-9D2-Z
MUL-9D3-W MUL-9D3-X MUL-9D3-Y MUL-9D3-Z
MUL-9D4-W MUL-9D4-X MUL-9D4-Y MUL-9D4-Z
MUL-9D5-W MUL-9D5-X MUL-9D5-Y MUL-9D5-Z
MUL-9D6-W MUL-9D6-X MUL-9D6-Y MUL-9D6-Z
MUL-9D7-W MUL-9D7-X MUL-9D7-Y MUL-9D7-Z
MUL-9D8-W MUL-9D8-X MUL-9D8-Y MUL-9D8-Z
MUL-9DR-W MUL-9DR-X MUL-9DR-Y MUL-9DR-Z
MUL-9DN-W MUL-9DN-X MUL-9DN-Y MUL-9DN-Z
MUL-9E1-W MUL-9E1-X MUL-9E1-Y MUL-9E1-Z
MUL-9E2-W MUL-9E2-X MUL-9E2-Y MUL-9E2-Z
MUL-9E3-W MUL-9E3-X MUL-9E3-Y MUL-9E3-Z
MUL-9E4-W MUL-9E4-X MUL-9E4-Y MUL-9E4-Z
MUL-9E5-W MUL-9E5-X MUL-9E5-Y MUL-9E5-Z
MUL-9E6-W MUL-9E6-X MUL-9E6-Y MUL-9E6-Z
MUL-9E7-W MUL-9E7-X MUL-9E7-Y MUL-9E7-Z
MUL-9E8-W MUL-9E8-X MUL-9E8-Y MUL-9E8-Z
MUL-9ER-W MUL-9ER-X MUL-9ER-Y MUL-9ER-Z

作为一种无触点的半导体开关器件，其允许反复导通和关断的次数几乎是无限的，并且导通的控制也十分方便。这是一般的“通-断开关”所望尘莫及的，从而使实现异步电动机的变频调速取得了突破。但由于变频器的逆变电路是在直流电压下工作的，而SCR在直流电压下又不能自行关断，因此，要实现逆变，还必须增加辅助器件和相应的电路来帮助它关断。所以，尽管当时的变频调速装置在个别领域（如风机和泵类负载）已经能够实用，但未能进入大范围的普及应用阶段。⑵门极关断（GTO）晶闸管SCR在一段时间内，几乎是能够承受高电压和大电流的半导体器件。因此，针对SCR的缺点，人们很自然地把努力方向引向了如何使晶闸管具有关断能力这一点上，并因此而开发出了门极关断晶闸管。
古冶区SANIL开关SKD-30M,M30,2-30mm,Non-sheild,

MUL-9EN-W MUL-9EN-X MUL-9EN-Y MUL-9EN-Z
MUL-9F1-W MUL-9F1-X MUL-9F1-Y MUL-9F1-Z
MUL-9F2-W MUL-9F2-X MUL-9F2-Y MUL-9F2-Z
MUL-9F3-W MUL-9F3-X MUL-9F3-Y MUL-9F3-Z
MUL-9F4-W MUL-9F4-X MUL-9F4-Y MUL-9F4-Z
MUL-9F5-W MUL-9F5-X MUL-9F5-Y MUL-9F5-Z
MUL-9F6-W MUL-9F6-X MUL-9F6-Y MUL-9F6-Z
MUL-9F7-W MUL-9F7-X MUL-9F7-Y MUL-9F7-Z
MUL-9F8-W MUL-9F8-X MUL-9F8-Y MUL-9F8-Z
MUL-9FR-W MUL-9FR-X MUL-9FR-Y MUL-9FR-Z
MUL-9FN-W MUL-9FN-X MUL-9FN-Y MUL-9FN-Z
MUL-9G1-W MUL-9G1-X MUL-9G1-Y MUL-9G1-Z
MUL-9G2-W MUL-9G2-X MUL-9G2-Y MUL-9G2-Z
MUL-9G3-W MUL-9G3-X MUL-9G3-Y MUL-9G3-Z
MUL-9G4-W MUL-9G4-X MUL-9G4-Y MUL-9G4-Z
MUL-9G5-W MUL-9G5-X MUL-9G5-Y MUL-9G5-Z
MUL-9G6-W MUL-9G6-X MUL-9G6-Y MUL-9G6-Z
MUL-9G7-W MUL-9G7-X MUL-9G7-Y MUL-9G7-Z
MUL-9G8-W MUL-9G8-X MUL-9G8-Y MUL-9G8-Z
MUL-9GR-W MUL-9GR-X MUL-9GR-Y MUL-9GR-Z
MUL-9GN-W MUL-9GN-X MUL-9GN-Y MUL-9GN-Z
MUL-9H1-W MUL-9H1-X MUL-9H1-Y MUL-9H1-Z
MUL-9H2-W MUL-9H2-X MUL-9H2-Y MUL-9H2-Z
MUL-9H3-W MUL-9H3-X MUL-9H3-Y MUL-9H3-Z
MUL-9H4-W MUL-9H4-X MUL-9H4-Y MUL-9H4-Z
MUL-9H5-W MUL-9H5-X MUL-9H5-Y MUL-9H5-Z
MUL-9H6-W MUL-9H6-X MUL-9H6-Y MUL-9H6-Z
MUL-9H7-W MUL-9H7-X MUL-9H7-Y MUL-9H7-Z
MUL-9H8-W MUL-9H8-X MUL-9H8-Y MUL-9H8-Z
MUL-9HR-W MUL-9HR-X MUL-9HR-Y MUL-9HR-Z
MUL-9HN-W MUL-9HN-X MUL-9HN-Y MUL-9HN-Z

以及旁路晶闸管的导通阻值变大时，都会导致起动电阻烧坏。如遇此情况，可购买同规格的电阻换之，同时必须找出引出电阻烧坏的原因。如果故障是由输入侧电源频率开合引起的，必须消除这种现象才能将变频器投入使用；如果故障是由旁路继电器触点或旁路晶闸管引起，则必须更换这些器件。2)变频器无故障显示，但不能高速运行我厂一台变频器状态正常，但调不到高速运行，经检查，变频器并无故障，参数设置正确，调速输入信号正常，上电运行时测试出现变频器直流母线电压只有450V左右，正常值为580～600V，再测输入侧，发现缺了一相，故障原因是输入侧的一个空气开关的一相接触不良造成的，为什么变频器输入缺相不报警仍能在低频段工作呢?实际上变频器缺一相输入时。
古冶区SANIL开关SKD-30M,M30,2-30mm,Non-sheild,