以下是一份关于 YH-401B 计数计长仪的产品中英文介绍：

YH-401B 计数计长仪是一种高效、精准的测量设备，广泛应用于工业生产、物流仓储、质量检测等多个领域。它能够对物体的数量及长度进行精确测量和记录，为企业的生产管理和质量控制提供有力支持。

该设备采用先进的电子技术，具备高精度的计数和计长功能。其操作界面简洁直观，用户可以轻松设置和读取数据。此外，YH-401B 计数计长仪还具备可逆计数功能，能够满足不同场景下的测量需求。其稳定可靠的性能和耐用的设计，使其能够在各种工业环境中长期稳定运行，为企业提高生产效率和产品质量提供保障。

The YH-401B Counting and Measuring Instrument is an efficient and precise measuring device, widely used in industrial production, logistics warehousing, quality inspection, and other fields. It is capable of accurately measuring and recording the quantity and length of objects, providing strong support for the production management and quality control of enterprises.

Utilizing advanced electronic technology, this instrument boasts high-precision counting and measuring functions. Its user-friendly interface allows for easy setup and data reading. Moreover, the YH-401B Counting and Measuring Instrument features reversible counting capabilities, meeting the measurement requirements of various scenarios. With its stable and reliable performance as well as durable design, it can operate stably in various industrial environments for a long time, helping enterprises enhance production efficiency and product quality.