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測量與控制軟體
Omega measurement and control software

【Norecs】高溫電氣測量系統和週邊設備 控制、量測軟體

測量與控制軟體

簡介

Omega measurement and control software

Omega 軟體是一套靈活的測量軟體,適用於電壓、電流、電阻、阻抗、溫度或氣體流量相關的測量。它不僅可以測量,還可以控制儀器;高溫爐、管理氣體混合和應用電流。實驗可自動進行,例如阻抗掃描,可在設定條件(如溫度或導電平衡)下自動觸發。

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Omega 軟體是一套靈活的測量軟體,適用於電壓、電流、電阻、阻抗、溫度或氣體流量相關的測量。它不僅可以測量,還可以控制儀器;高溫爐、管理氣體混合和應用電流。實驗可自動進行,例如阻抗掃描,可在設定條件(如溫度或導電平衡)下自動觸發。

Omega 軟體是 ProboStat 系統的重要組成部分,該系統與爐子和/或其它設備(如阻抗分析儀、萬用表、電源電錶或質量流量控制器)一起銷售。Omega 軟體也是市場上唯一可以自動化測量設定的軟體,其中包括來自多個獨立供應商的多種儀器,而所有設備都是互連的。

實驗可以是標準預設類型,使用者也可以使用連接的儀器組合來定義任何類型的測量: 如阻抗分析儀、質量流量控制器、爐子、電壓表等。所有儀器的資料都可以自由蒐集、處理和繪製,以最適合手邊實驗的方式進行。

Omega 可控制 GPIB 裝置,例如 Solartron、Agilent、Hewlett-Packard、Novocontrol 等,以及序列埠裝置,例如 Eurotherm 2216 或 Vögtlin Smart 量流量控制器。

本軟體具有自動搜尋功能,可自動尋找所有連接的裝置,省去繁瑣的手動設定,並可儲存和載入設定檔案。

本軟體的安裝方式為單一可執行檔案。沒有安裝程序。該程式可在任何基於 Windows 的電腦上執行,無需任何其它軟體或平台。所有需要的纜線都包含其中。

儀器共用及訊號切換

具高精度的阻抗分析儀是目前相關測量系統中最昂貴的組件。阻抗分析儀和萬用表可以在多個獨立的樣品爐中共用。在單一電腦上執行的 Omega 軟體,

搭配額外的訊號切換單元,可排序所有所需的量測,並將阻抗分析儀及或萬用表輪流連接至各樣品架單元。此類切換裝置的其它優點在於,該切換裝置還可自動反轉和旋轉電極順序;適用於反向和平均直流以消除偏移電壓,以及范德( van der Pauw )保測量。

其它功能

本軟體包含精密的表達式解析器,可讓使用者繪製複雜的數學表達式,包括「鉑金熱功率」、「s 型熱電偶電壓對溫度」或「求解 van der pauw 方程式」

等功能。

Omega 中的測量可以根據您的需要持續進行,幾個星期甚至幾個月都可以。同時測量沒有限制,因此電導率測量可以無限期地進行,顯示平衡狀態,

同時可以在適當的時候執行多次掃描測量。

所有圖表均可完全自訂,並能以 bmp、jpg 和 png 等具有出版品質的圖像匯出。

程式也可以自由複製並在其它電腦上執行,例如家用或辦公室電腦。因此,您可以在舒適的工作桌上進一步檢視儲存的測量結果、調整或製作圖表,

或使用數學解析器完成可發表的圖表或研究測量特性之間的關係式。

支援的儀器包括(但不限於)

  • Novocontrol Alpha A 系列與 ZG4 (EIS)
  • Solartron 1260 (EIS)
  • Hioki 3522-50 (EIS)
  • Hewlett-Packard 4192A (EIS)
  • Solartron 1287 (POTGAL)
  • Keithley 2000、2001、2010 等 (DMM)
  • Keithley 2400 系列 (電源電錶)
  • Keithley2200 系列 (電源供應器)
  • Agilent 34970A (DMM)
  • Agilent 34420A (DMM)
  • Agilent E3642A (DMM)
  • Vögtlin smart 系列質量流量控制器
  • Eurotherm 2200、2400 和 3200 系列的高溫爐
  • Pickering 開關

其它儀器也可依需求新增,透過 GPIB 或序列埠/Modbus 進行通訊。

 

典型用途包括(但不限於):

  • 2 極、3 極或 4 極交流和直流電阻/電感測量。
  • 交流阻抗分析。
  • 溫度測量以及爐內設定值和升溫速率的控制。
  • 控制和測量質量流量控制器,以控制樣品氣氛或氣氛梯度。
  • 使用萬用表的熱電偶和熱敏電阻進行溫度測量。
  • 直流電壓量測 (用於 EMF 傳輸值、燃料電池測試、塞貝克( Seebeck ) 系數、氧氣感測器、熱電偶等)。
  • 直流電流量測(壓力感測器、流量計及一般具有類比輸出的各種感測器)。
  • 直流電流控制 (電化學池、加熱器、庫侖滴定法、馬達、幫浦等)。
  • 指令信號切換儀器(多個輸入源、用於范德堡法( van der Pauw )測量的旋轉電極、用於抵消熱電壓的反向和平均電壓測量等)。
  • 描繪測量的原始數據或使用數學表達式和函數,例如求解 范德堡( van der Pauw ) 或將(熱電偶)電壓轉換為溫度。
  • 將圖表儲存為可出版品質的影像。
  • 以 csv 格式匯出資料,並以 Z-View 或平衡( Equilibrium )電路格式匯出阻抗結果。

Omega software is flexible measurement software for voltage, current, resistance, impedance, temperature or gas flow related measurements. It can measure but also control the instruments; ramp furnaces, manage gas mixing and apply currents. Experiments can be automated and actions, for example impedance sweeps, can automatically trigger at set conditions such as temperature or conductivity equilibrium. 

Omega software is essential part of ProboStat systems that are sold with Furnace and/or other equipment such as impedance spectrometers, multimeter, sourcemeters or mass flow controllers. The Omega software is also is only the software in the market that can to automate a measurement setup that includes multiple instruments from multiple separate suppliers, where all the equipment is interconnected.

The experiments can be of standard default types or the user can define any type of measurement using combination of connected instruments: Impedance spectrometers, mass flow controllers, furnaces, voltmeters and so on. Data from each and all instruments can be collected, treated and plotted freely in whichever way makes most sense to the experiment in hand.

Omega can control GPIB devices such Solartron, Agilent, Hewlett-Packard, Novocontrol etc. and serial port devices such as Eurotherm 2216 or Vögtlin Smart mass flow controllers. Full list of supported instruments can be found later on this page.

The software has auto-search feature to find all attached devices automatically eliminating the need for tedious manual configuring, and possibility to save and load the configuration files.

Distribution of the software is a single executable file. There is no installation process. The program will run on any Windows based machine without any additional software or platforms needed. All required cables are included in the distribution package.

Instrument sharing and signal switching

Good quality impedance spectrometers are by far the most expensive component of a relevant measurement system. It is possible to share an impedance spectrometer and multimeter amongst a number of individual sample holders in their separate furnaces. Omega software running on a single computer with an additional signal switching unit can sequence all the desired measurements and connect impedance spectrometer and or multimeter to each sample holder cell in turns. Additional benefit of such switching unit is that that switching also allows automated reversing and rotating of electrode order; good for reverse and average with DC to eliminate offset voltages, and for van der Pauw measurements.

Other features

The software includes sophisticated expression parser allowing the user to plot complex mathematical expressions including functions such as "thermopower of platinum", "s-type thermocouple voltage to temperature" or "solve van der pauw equation".

Measurements in Omega can go on for as long as you need them to, for weeks or even months. There is no limit for simultaneous measurements, so a conductivity measurement can run indefinitely indicating the equilibriums while a number of sweep measurements can be executed when appropriate.

All graphs are fully customizable, and can be exported in publish quality as bmp, jpg and png.

The program is also free to be copied and ran in other computers, such as home or office computers. It is thus possible to further review the saved measurements, and tune or create the plots and graphs in the comfort of a proper working desk, or finalize publishable graphs or study relations between the measured properties using the math parser.

Supported instruments include (but not limited to)

  • Novocontrol Alpha A series with ZG4 (EIS)
  • Solartron 1260 (EIS)
  • Hioki 3522-50 (ESI)
  • Hewlett-Packard 4192A (EIS)
  • Solartron 1287 (POTGAL)
  • Keithley 2000, 2001, 2010 etc. (DMM)
  • Keithley 2400 series (Sourcemeter)
  • Keithley 2200 series (Power supply)
  • Agilent 34970A (DMM)
  • Agilent 34420A (DMM)
  • Agilent E3642A (DMM)
  • Vögtlin smart series mass flow controllers
  • Bronkhorst mass flow controllers through DDE
  • Eurotherm 2200, 2400 and 3200 series furnace controllers
  • Pickering switches

Other Instruments may also be added on request, communication through GPIB or serial port/Modbus.

 

Typical uses include, but not restricted to:

  • AC and DC resistance/conductance measurements with 2, 3 or 4 points
  • Impedance spectroscopy
  • Temperature measurement and control of setpoint and ramp rate from/to furnaces
  • Controlling and measuring mass flow controllers to control sample atmosphere or atmosphere gradient
  • Temperature measurements with thermocouples and thermistors using multimeters 
  • DC voltage measurement (for EMF transport number, fuel cell test, Seebeck coefficient, oxygen sensors, thermocouples, etc.)
  • DC current measurements (pressure sensors, flowmeters and in general all sorts of sensors with analog outputs)
  • DC current control (electrochemical cells, heaters, coulometric titration, motors, pumps, etc.)
  • Commanding signal switching instruments (multiple input sources, rotating electrodes for van der Pauw measurement, reverse and average voltage measurements to cancel thermal voltages etc.)
  • Plot measured raw data or use mathematical expressions and functions such as solve van der Pauw or convert (thermocouple) voltages to temperatures
  • Saving graphs as images with publishable quality
  • Exporting data in csv format, and impedance results as Z-View or Equilibrium circuit format