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专业维修安捷伦 8163B 光波万用表，其常见的故障及原因分析如下
故障点：指针摆动不正常
原因分析：可能是由于机械平衡不好，指针与外壳玻璃或表盘相摩擦；或者表头线断开、分流电阻断开；游丝绞住或不规则；支撑部位卡死等。
故障点：电阻挡测量不准确或不稳定
原因分析：电池电能耗尽或接触不良；串联电阻值变化；表笔与插头接触不良；转换开关或调零电位器接触不良等。
故障点：某量程不工作或测量误差大
原因分析：对应量程的串联电阻断开、烧断或电阻值变化；转换开关接触不良；分流电阻断路或短路；电池电量不足等。
故障点：直流电压挡不指示或测量误差大
原因分析：测量电压部分开关公用连接线脱焊；转换开关接触不良；表笔插头与万用表接触不良；最小量程挡附加电阻断线等。
故障点：交流测量功能异常
原因分析：可能涉及万用表插头与插座接触不良；转换开关触点接触不良；整流全桥或整流二极管短路、断路等问题。
通过了解设备的常见故障，您可以更好地维护和使用它，确保其长期稳定运行。若无法解决，欢迎联系晧辰！我们的维修团队拥有丰富的实战经验和专业的维修流程，可为您提供快速、可靠、优质的维修服务
Hao Chen team professional maintenance, quality assurance!!
Professional maintenance of Agilent 8163B light wave multimeter, its common faults and causes are analyzed as follows
Fault: The pointer does not swing properly
Cause analysis: It may be due to poor mechanical balance, the pointer and the shell glass or dial phase friction; Or the meter head line is disconnected, the shunt resistance is disconnected; A hairspring is twisted or irregular; The support part is stuck.
Fault point: Electrical barrier measurement is inaccurate or unstable
Cause analysis: battery power depletion or poor contact; Series resistance value change; Poor contact between marker and plug; The transfer switch or zero potentiometer is in poor contact.
Fault point: a range does not work or the measurement error is large
Cause analysis: the series resistance of the corresponding range is disconnected, burned off or the resistance value changes; The transfer switch is in poor contact; Shunt resistance open or short circuit; Low battery power, etc.
Fault point: DC voltage stop does not indicate or the measurement error is large
Cause analysis: The measuring voltage part of the switch common connection line out of welding; The transfer switch is in poor contact; The pen plug is in poor contact with the multimeter; Minimum range stop additional resistance break line, etc.
Fault: The AC measurement function is abnormal
Cause analysis: It may involve poor contact between the plug and socket of the multimeter. The transfer switch contact is poor; Rectifier full bridge or rectifier diode short circuit, open circuit and other problems.
By understanding the common faults of the equipment, you can better maintain and use it to ensure its long-term stable operation. If you can not solve, welcome to contact Hao Chen! Our maintenance team has a wealth of practical experience and professional maintenance process, can provide you with fast, reliable, quality maintenance service
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