上海四达电子DM-506S/DM506S是一款高性能的绝缘电阻测试仪，广泛应用于电力、电子、通讯、教育等多个行业。该产品具备多种测量功能，能够满足不同场景下的测试需求。

在技术参数方面，DM-506S/DM506S支持交流电压测量，量程可达600V，精度为±5%满度值。其电阻测量范围为0-1000MΩ，精度为±5%刻度长度。此外，该设备的额定电压为500V，能够适应多种电压环境下的绝缘测试需求。

DM-506S/DM506S的设计注重用户体验，操作简便，界面友好。其连续高压输出功能使得操作更加便捷，即使在复杂的工作环境中也能保持稳定的性能。同时，该设备还具备“无损伤”保证，即使连接到带电电路也不会对设备或人员造成损害。

上海四达电子作为一家拥有37年历史的专业仪器制造商，始终以质量为生命，不断完善管理体系。DM-506S/DM506S作为其旗下的优质产品，凭借可靠的质量和先进的技术，在市场上获得了广泛的认可。

The DM-506S/DM506S from Shanghai Sida Electronic Instrument Co., Ltd. is a high-performance insulation resistance tester, widely used in various industries such as power, electronics, communications, and education. This device is equipped with multiple measurement functions to meet the testing requirements of different scenarios.

In terms of technical specifications, the DM-506S/DM506S supports AC voltage measurement with a range of 600V and an accuracy of ±5% of the full scale. The resistance measurement range is 0-1000MΩ, with an accuracy of ±5% of the scale length. Additionally, the device has a rated voltage of 500V, making it suitable for insulation testing in various voltage environments.

The design of the DM-506S/DM506S focuses on user experience, featuring a user-friendly interface and easy operation. Its continuous high-voltage output function enhances operational convenience, ensuring stable performance even in complex working environments. Moreover, the device offers a "no damage" guarantee when connected to a live circuit, ensuring the safety of both the equipment and personnel.

Shanghai Sida Electronic Instrument Co., Ltd., with a history of 37 years, has always been committed to quality and continuous improvement of its management system. The DM-506S/DM506S, as one of its high-quality products, has gained widespread recognition in the market for its reliable quality and advanced technology.