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大家好,我是新来的,很高兴见到你们所有人:)我有一个关于用我的34970A用20通道多路复用器和工作台链接数据记录器来监控压力的问题。
我有一个组合压力头Penningvac PTR90(它是Pirani + penning)通过FCC电缆连接到turbolab80泵系统(非常经典)。 涡轮增压器在前面板上有一个RS232,但我没有线索可以发送输出信号。 然后,我想将FCC电缆直接连接到数据采集单元,记录信号(电压我想......)并通过工作台链路数据记录器将它们转换为压力。 问题是:是否可以使用我的数据采集单元监控压力? 我怎么能用我手工制作的组件进行良好的压力测量? 谢谢:)编辑:Seebeck于2014年6月25日上午7:02 以上来自于谷歌翻译 以下为原文 Hi all, I am new here so nice to meet you all :) i have a question regarding the possibility to monitor a pressure with my 34970A with 20 channels multiplexer and bench link data logger. I have a combi pressure head Penningvac PTR90 (it's a Pirani + penning) connected to a turbolab80 pumping system via FCC cable (very classic). The turbolab have a RS232 in the front panel, but i have no clues it could send an output a signal. Then, i thought to connect the FCC cable directly to the data acquisition unit, record the signals (voltage i suppose...) and convert them to pressure via bench link data logger. The question is: is it possible to monitor a pressure with my data acquisition unit? How could i perform a good pressure measurement with the components i have by hand? Thank you :) Edited by: Seebeck on Jun 25, 2014 7:02 AM |
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4个回答
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你好Seebeck,为了使用34970A,压力传感器必须具有34970A可以测量的模拟输出。
这可以是电压,电流,电阻或频率。 通常它是直流电压,制造商提供压力单位信息的转换。 该输出信号连接到34901A多路复用器插件模块通道之一。 我只是查看了Penningvac PTR90,从测量电压到压力的转换在操作手册的附录A中给出。 以上来自于谷歌翻译 以下为原文 Hello Seebeck, To do this with the 34970A, the pressure sensor must have an analog output that the 34970A can measure. This could be a voltage, current, resistance, or frequency. Usually it's a DC voltage and the manufacturer provides the conversion to pressure units information. This output signal is connected to one of the 34901A multiplexer plug-in module channels. I just looked up the Penningvac PTR90 and the conversion from measured voltage to pressure is given in Appendix A of the operating manual. |
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lanziji 发表于 2018-12-14 18:30 谢谢你的快速回答! 所以,关于[url =http://www.idealvac.com/files/manuals/Leybold-PTR90-Gauge-Specs═-Manual.pdf]头部手册,第12页[/ url]我应该连接pin 3和5分别对多路复用器的通道(分别为H和L)和监视电压,对吧? benchlink数据记录器是否只能绘制输入电压测量值,或者是否可以直接应用压力转换公式? (再次,非常感谢) 以上来自于谷歌翻译 以下为原文 Thank you for the fast answer! So, with respect to the head manual, page 12 i should connect pin 3 and 5 to a channel of the multiplexer (H and L respectively) and monitor the voltage, right? Is the benchlink datalogger able to graph the incoming voltage measurement only, or is it possible to apply directly the pressure convertion formula? (again, thank you very much) |
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twerfwerw 发表于 2018-12-14 18:38 是的,这种联系是正确的。 您可以通过配置计算通道来完成此操作。 使用免费的BenchLink DataLogger 3软件,只提供基本的数学,功率和应变函数。 您必须购买BenchLink DataLogger Pro才能获得Log功能。 以上来自于谷歌翻译 以下为原文 Yes, that connection is correct. You can do this by configuring computed channels. With the free BenchLink DataLogger 3 software, only basic math, power, and strain functions are available. You have to buy BenchLink DataLogger Pro to get the Log function. |
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谢谢你没有回答我关于欧瑞康关于前置RS232的引脚排列的问题,我的turbolab80配备了(悲伤),我做了几个跳线,用一个只有两个信号的“香草”取代了RS232(sig gnd) 和电压)连接。 我将使用我的多路复用器模块和BenckLink Data Logger从那里记录电压信号。 我将在明天测试(简单且便宜:))设置并报告回来)。 以上来自于谷歌翻译 以下为原文 Thank you Having no answers to my questions from Oerlikon about the pinout of the frontal RS232 my turbolab80 is equipped with (sad), i made a couple of jumpers and replaced the RS232 with a "vanilla" one with only the two signals (sig gnd and voltage) connected. I will record the voltage signal with my multiplexer module and BenckLink Data Logger from there. I will test the (easy and cheap :)) setup tomorrow and report back). |
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