以下是2406D55数字式绝缘电阻表的产品中英文介绍：

2406D55数字式绝缘电阻表是由上海双旭电子有限公司生产的一款高性能绝缘电阻测试仪器。该产品采用先进的数字技术，具备高精度、高稳定性的特点，能够有效测量电气设备的绝缘电阻，帮助用户及时发现设备的绝缘隐患，保障用电安全。其测量范围为0～1.999MΩ、2.000～1000MΩ、1001～2000MΩ，可满足多种不同场景下的测量需求。此外，该仪器还配备了交流电压测量功能，测量范围为0～600V，额定电流为1mA。其外形尺寸约为120（W）×110（H）×60（D）mm，重量轻，便于携带和操作。电源采用5号干电池R6P(SUM_3)×6，使用方便。

The 2406D55 digital insulation resistance tester is a high-performance insulation resistance testing instrument produced by Shanghai Shuangxu Electronics Co., Ltd. Utilizing advanced digital technology, it features high precision and stability, enabling it to effectively measure the insulation resistance of electrical equipment. This helps users promptly identify insulation hazards in the equipment and ensure electrical safety. The measurement range of this instrument is 0～1.999MΩ, 2.000～1000MΩ, and 1001～2000MΩ, which can meet the measurement requirements in various scenarios. In addition, the instrument is also equipped with an AC voltage measurement function, with a measurement range of 0～600V and a rated current of 1mA. Its compact size of approximately 120(W)×110(H)×60(D)mm and light weight make it easy to carry and operate. The power source is six 5号 dry batteries R6P(SUM_3), which is convenient to use.