介绍了便携式脉冲输出模块测试仪的原理和主要电路设计思想。
The principle and main circuit design ideas are given for the mobile pulse output module tester.
本文介绍一种便携式微差压测试仪的设计，详细分析它的系统结构以及主要模块工作原理，并对它的精度进行讨论。
This paper describes the design of a portable draft pressure tester and analyses its architecture and the working principle of its main module, and also discusses its accuracy.
同时，该测试仪还设计了用来实现仪器可程控的接口模块。
The tester also features programmable control by using the interfacing module.
重点分析测试仪硬件功能模块实现方法、测试流程及故障诊断方法。
Pay more attention to analyze the realization of test instrument hardware, test process and method of fault diagnosis.
文章首先设计了跳频收发信机测试仪硬件平台的功能模块。
In the first, the article has designed HF transceiver testing equipment's functional blocks of hardware platform.
便携式轨道测试仪是检测铁路轨道平顺性的有效手段，测速模块是其重要组成部分。
The portable track detecting instrument facilitates effective inspection of track smoothness. The speed measuring module is an important component of the system.
本文介绍了基于8031单片机的仓库温度与湿度自动测试仪的工作原理，并给出了系统的硬件和软件模块。
This paper introduces the characteristics and work principle of sensor AD509 and sensor MS01 based on SCM 8031, and gives system module of hardware and software.
本文介绍了基于8031单片机的仓库温度与湿度自动测试仪的工作原理，并给出了系统的硬件和软件模块。
This paper introduces the characteristics and work principle of sensor AD509 and sensor MS01 based on SCM 8031, and gives system module of hardware and software.
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