Low-cost Arduino controlled dual-polarity high voltage power supply

被引：5

作者：

Davis, Eric J. ^{[1
]}

Clowers, Brian H. ^{[2
]}

机构：

[1] Whitworth Univ, Dept Chem, 300 Hawthorn Rd, Spokane, WA 99251 USA

[2] Washington State Univ, Dept Chem, POB 644630, Pullman, WA 99164 USA

来源：

HARDWAREX | 2023年 / 13卷

基金：

美国国家科学基金会;

关键词：

Ion Mobility Spectrometry; High Voltage; Power Supply; Laboratory Instrumentation; Chemical Instrumentation; ION MOBILITY SPECTROMETRY; EXPLOSIVES;

D O I：

10.1016/j.ohx.2022.e00382

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Ion Mobility Spectrometry (IMS) provides low ppbv detection limits for gas-phase or aqueous analytes. These instruments rely an electric field to produce ion motion. This electric field is typically 200-600 V/cm with a 15 cm cell, requiring an HV source of 6-10 kV. In this work, we present a low-cost alternative for supplying this high voltage. Inexpensive, commercially available 0-20 kV HV modules are mapped to an analog 0-5 V input signal, controlled using an Arduino microcontroller and digital analog converter. Dual polarities are selectable through a front-panel switch and ramps potentials between settings to avoid damage to attached devices. (c) 2022 The Author(s). Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

引用

页数：14

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