DH-SJ7 应变片特性及电子秤设计实验仪【双旭电子】对照
中文介绍
DH-SJ7 应变片特性及电子秤设计实验仪是双旭电子推出的一款实验教学设备,旨在帮助学生深入理解应变片的工作原理及其在电子秤设计中的应用。该设备采用透明模块化设计,将实验元件插放于九孔板上,再置于整体机箱中,有效解决了实验元件易损坏、不易管理的问题。
实验内容丰富多样,包括了解金属箔式应变片的应变效应、电桥的工作原理,掌握单臂电桥、半桥、全桥的性能,并比较其灵敏度和非线性度。此外,学生还可以通过该设备自主设计电子秤系统,完成从理论到实践的转化。
在技术参数方面,该实验仪配备了可调直流电压源(0~12V连续可调,最大电流1A),以及多组对称电源。电子秤传感器的测量范围为500g,内置4组350Ω应变片,能够满足基础教学和实验需求。此外,设备还提供了差动放大器模块、电位器模块、电阻模块等多种实验模块,方便学生进行多样化的实验设计。
English Introduction
The DH-SJ7 Strain Gauge Characteristics and Electronic Scale Design Experimental Instrument is an educational device introduced by Shuangxu Electronics, designed to help students gain a deep understanding of the working principles of strain gauges and their applications in electronic scale design. The device features a transparent modular design, with experimental components placed on a nine-hole board and then housed in a main case, effectively addressing issues of component fragility and management difficulties.
The experimental content is diverse, including understanding the strain effect of metal foil strain gauges and the working principles of Wheatstone bridges, as well as comparing the sensitivity and non-linearity of single-arm, half-bridge, and full-bridge configurations. Additionally, students can independently design an electronic scale system using this device, facilitating the transition from theory to practice.
In terms of technical specifications, the experimental instrument is equipped with an adjustable DC voltage source (0–12V continuously adjustable, with a maximum current of 1A) and multiple sets of symmetrical power supplies. The electronic scale sensor has a measurement range of 500g and includes four sets of 350Ω strain gauges, which can meet the basic requirements for teaching and experimentation. Moreover, the device provides various experimental modules, such as differential amplifier modules, potentiometer modules, and resistor modules, enabling students to design a wide range of experiments.
再置于整体机箱中,解决了实验元件易损坏、不易管理的问题。各个型号包含了电学设计性、基本传感器设计性、光电传感器设计性、温度传感器设计性等实验内容可以相互拓展,也可根据客户需要单独搭配,而且学生能够自行拓展实验内容,是本装置的大特色,因此非常适合于物理基础实验教学。
基本传感器型物理设计性实验装置采用分立的传感器模块及处理电路,主要由五部分组成:传感器实验台、九孔板接口平台、音频振荡器、直流恒压源和处理电路模块。
DH-SJ7 应变片特性及电子秤设计实验仪【双旭电子】对照



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上一篇 DH-CG2000型 传感器实验台【双旭电子】使用说明书 http://www.13818327383.com/product/d57076.html
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