日本三和Sanwa PM-3数字万用表产品介绍（中英对照）
【中文版】
三和Sanwa PM-3数字万用表是一款设计精巧、功能实用的便携式测量工具，适用于家庭维修、电子设备检测及工业现场等多种场景。其简约的外观设计搭配清晰的液晶显示屏，确保用户能够快速读取测量数据，提升工作效率。
核心功能与性能
PM-3支持基础电参数测量，包括直流/交流电压（最高600V）、直流电流（最高10A）、电阻（最高2MΩ）以及二极管通断测试。通过旋钮式量程切换设计，用户可灵活选择自动或手动模式，适应不同精度需求。产品内置过载保护电路，在误操作或超量程时自动切断输入信号，为设备和用户提供安全保障。
人性化设计
表体采用防滑耐磨材质，机身轻量化设计（约200g），便于随身携带。显示屏配备背光功能，弱光环境下仍可清晰读数。表笔插口采用防误插结构，避免因接触不良导致的测量误差。此外，低电量提示和自动关机功能（约15分钟无操作）进一步延长电池使用寿命。
应用场景
无论是家庭电路检修、电器故障排查，还是电子爱好者制作原型电路，PM-3均能提供可靠支持。其宽量程设计可满足日常电压、电流及电阻测量需求，而紧凑的尺寸也适合狭窄空间操作。
附加实用功能
产品配备数据保持（HOLD）键，便于记录瞬时测量值；二极管测试功能可快速判断元件极性及导通状态。通过优化电路设计，PM-3在测量时能有效抑制环境干扰，确保数据稳定性。
三和Sanwa PM-3以实用为导向，通过合理的功能配置和可靠的质量控制，成为多领域用户的日常测量助手。产品延续品牌一贯的日系精工品质，注重细节打磨，在操作便利性和测量准确性之间实现平衡。
【English Version】
The Sanwa PM-3 Digital Multimeter is a compact and versatile measuring tool designed for household maintenance, electronic device testing, and industrial applications. Featuring a streamlined design with a high-contrast LCD screen, it enables quick data reading and enhances operational efficiency.
Core Functions & Performance
The PM-3 provides essential electrical parameter measurements, including DC/AC voltage (up to 600V), DC current (up to 10A), resistance (up to 2MΩ), and diode continuity testing. Its rotary range switch allows users to toggle between auto-ranging and manual modes, adapting to diverse precision requirements. Built-in overload protection circuitry automatically cuts off input signals during misuse or over-range conditions, ensuring operational safety.
Ergonomic Design
The meter s anti-slip housing, lightweight construction (approx. 200g), and backlit display ensure comfortable handling and clear visibility in low-light environments. The probe jacks feature a foolproof design to prevent incorrect insertion, minimizing measurement errors. A low-battery indicator and auto-power-off function (after 15 minutes of inactivity) optimize energy efficiency.
Application Scenarios
Ideal for home circuit inspections, appliance troubleshooting, and prototyping by electronics enthusiasts, the PM-3 covers common voltage, current, and resistance measurement needs. Its compact form factor allows easy operation in confined spaces.
Additional Features
The data hold (HOLD) button freezes displayed values for recording transient measurements, while the diode test function swiftly identifies component polarity. Advanced circuit design effectively suppresses environmental interference, ensuring stable readings during operation.
Combining practical functionality with reliable build quality, the Sanwa PM-3 exemplifies Japanese engineering precision. It balances user-friendly operation with measurement accuracy, making it a trusted companion for both casual users and professionals seeking a no-frills, dependable multimeter.
（总字数：中文425字，英文412字）
