噪音计: HIOKI 3144-20超声波，测厚仪
产品概述
HIOKI 3144-20是一款专业级噪音探测仪，采用非接触式电压传感器技术，可精确检测通信线路中的噪音干扰。该设备能够自动识别不同频段的噪音强度，并通过水平仪直观显示测量结果。内置大容量存储器可保存多达64,000组数据，支持通过USB接口将数据传输至计算机进行进一步分析。设备采用便携式设计，配备可充电锂电池，适合现场移动检测需求。68
核心功能
本产品具备7个固定频带分析能力（1k/15k/70k/250k/1M/3M/20MHz），覆盖500Hz-30MHz宽频范围，测量精度达±1.5dBV。创新性地集成了波形查看功能，可通过耳机实时监控信号包络线。设备配备9741钳式电压传感器，可检测直径17mm以内的绝缘电线，适用于电力系统、通信基站等场景的噪音排查工作。自动电源管理功能可在15分钟无操作后关机，有效延长电池续航。610
技术参数
测量量程提供×1量程（0dBV～-30dBV）和×10量程（-20dBV～-50dBV）两档切换，分辨率2.5dBV。主机尺寸仅62×158×40mm，重量260g（不含电池），采用6节碱性电池供电时可连续工作5小时。工作温度范围0-40℃，满足多数工业环境使用需求。配套软件支持测量数据的时间标记和分类管理，为噪音源定位提供可靠依据。810
Product Introduction
The HIOKI 3144-20 Noise Detector is a professional instrument designed for identifying and analyzing noise interference in communication lines. Utilizing non-contact voltage sensor technology, it provides accurate measurements without direct electrical contact. The device features a compact design with clear LCD display and intuitive operation interface, making it suitable for field technicians. With its wide frequency coverage and multi-band analysis capability, it has become an essential tool for maintaining signal integrity in telecom and power systems.68
Key Features
This detector offers seven fixed frequency bands for detailed noise spectrum analysis, ranging from 500Hz to 30MHz. The built-in memory stores up to 64,000 measurement records with timestamp, while the USB interface enables easy data transfer to PCs. Unique waveform monitoring function allows users to audibly detect signal envelopes through headphones. The included clamp sensor can measure insulated wires up to 17mm in diameter, suitable for most cable types.610
Technical Specifications
Measurement ranges include ×1 range (0dBV to -30dBV) and ×10 range (-20dBV to -50dBV) with 2.5dBV resolution. The compact body (62×158×40mm) weighs only 260g excluding batteries, powered by six AA batteries providing 5 hours continuous operation. Operating temperature range covers 0°C to 40°C. The horizontal meter display provides instant visual feedback on noise levels across different frequency bands.810
超声波测厚仪补充说明
采用超声波脉冲反射原理，适用于金属、塑料、陶瓷等多种材料的厚度测量。典型应用包括管道壁厚检测、压力容器腐蚀监测等，测量范围0.7-250mm，分辨率0.01mm。设备具有声速校准功能，可通过已知厚度试块反算材料声速。轻量化设计（245g）和IP防护等级使其适合石油化工、船舶制造等复杂工业环境。17
Ultrasonic Thickness Gauge Addendum
Operating on ultrasonic pulse-echo principle, this gauge measures material thickness without damaging test pieces. It supports various materials including metals, plastics and ceramics, with measuring range of 0.7-250mm and 0.01mm resolution. The velocity calibration function allows users to calculate material-specific sound speed using reference samples. Weighing only 245g with ergonomic design, it s widely used in petrochemical plants and shipyards for corrosion monitoring.17
噪音计: HIOKI 3144-20超声波，测厚仪
TM-856
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