以下是DT2234A转速表的产品中英文介绍：

DT2234A转速表是一款高效、便捷的测量工具，适用于多种工业场景。它采用光电测量原理，能够实现非接触式测量，避免了对被测物体的干扰。其测量范围宽广，从2.5转/分钟到99999转/分钟，几乎涵盖了所有常见的转速测量需求。该转速表配备了5位大屏幕液晶显示器，字高18mm，显示清晰，便于用户快速读取数据。其分辨力在2.5～999.9转/分钟时为0.1转/分钟，1000转/分钟以上为1转/分钟，能够提供精准的测量结果。此外，它还具备自动记忆功能，可记录最大值、最小值和最后测量值，方便用户进行数据对比和分析。DT2234A转速表的测量准确度为±（0.05%+1个字），采样时间为0.5秒（120转/分钟以上），能够满足高精度测量的要求。它使用3×1.5V AA电池供电，尺寸为160×72×37mm，便于携带和操作。在有效测量距离方面，其光电测量范围为50～300mm，激光测量时可达到50～600mm，适用于不同的测量环境。该转速表广泛应用于电机、电扇、造纸、塑料、化纤、洗衣机、汽车、飞机、轮船等制造业，以及机械制造、轻工、纺织、电力、医药、食品加工等行业，可用于各类转子、齿轮啮合、振动设备诊断等场景。

The DT2234A tachometer is an efficient and convenient measuring tool suitable for a variety of industrial applications. It employs a photoelectric measurement principle to achieve non-contact measurement, avoiding interference with the object being measured. With a wide measurement range from 2.5 to 99999 revolutions per minute (RPM), it covers almost all common speed measurement requirements. The tachometer features a 5-digit large-screen LCD display with a character height of 18mm, providing clear and easy-to-read data. Its resolution is 0.1 RPM for the range of 2.5 to 999.9 RPM, and 1 RPM for above 1000 RPM, ensuring accurate measurement results. Additionally, it has an automatic memory function that records the maximum, minimum, and last measurement values, facilitating data comparison and analysis for users. The measurement accuracy of the DT2234A tachometer is ±(0.05% + 1 digit), with a sampling time of 0.5 seconds for speeds above 120 RPM, meeting the requirements for high-precision measurement. Powered by 3×1.5V AA batteries, it has dimensions of 160×72×37mm, making it portable and easy to operate. In terms of effective measurement distance, its photoelectric measurement range is 50 to 300mm, and for laser measurement, it can reach 50 to 600mm, suitable for various measurement environments. The DT2234A tachometer is widely used in manufacturing industries such as electric motors, fans, papermaking, plastics, chemical fibers, washing machines, automobiles, aircraft, and ships, as well as in sectors like mechanical manufacturing, light industry, textiles, power, medicine, and food processing. It can be applied for the diagnosis of various rotors, gear meshing, and vibration equipment.