Potentiostat / Galvanostat EC301 — ±30 V compliance voltage
The EC301 gives electrochemists the opportunity to equip their labs with high compliance, research-grade instrumentation at a very attractive price. Stand-alone front-panel operation allows easy use in the field or in handling routine electrode preparation. The free Windows software (SRSLab) has routines for all major electrochemical experiments and can be downloaded from the SRS web site. The EC301 has an open command set which allows scientists to write their own unique waveforms and even write custom software.
EC301 Potentiostat / Galvanostat The EC301 gives electrochemists the opportunity to equip their labs with high compliance, research-grade instrumentation at a very attractive price. Stand-alone front-panel operation allows easy use in the field or in handling routine electrode preparation. The free Windows software (SRSLab) has routines for all major electrochemical experiments and can be downloaded from the SRS web site. The EC301 has an open command set which allows scientists to write their own unique waveforms and even write custom software. Front-Panel Operation The intuitive front panel of the EC301 allows you to quickly and easily set up several scan types (CV, LSV, steps and holds). Unlike many competitive models, the EC301 is a stand-alone instrument – you don’t need to use a computer. The array of indicator LEDs make it easy to know the state of the instrument at a glance. Software Included The SRSLab software supports all the major electrochemical techniques including voltammetry, pulsed waveforms, step techniques, and EIS. You can even design your own custom measurements. Data is acquired over the TCP/IP interface. The software lets you easily configure sequences of experiments and shows you the data as they are generated. The data is easily exported to spreadsheets and graphing packages. Designed for EIS The EC301 was designed with electrochemical impedance spectroscopy (EIS) in mind. Instead of employing driven shields, we bring the measurement close to the cell. This means higher accuracy and less susceptibility to parasitic effects. Shunt resistor current measurements in all ranges enhance control loop stability, enabling EIS at high frequencies. An external frequency response analyzer (FRA) can be used measure EIS at frequencies up to 1 MHz using analog connections. The EC301 performs stand-alone EIS measurements up to 100 kHz. Compliance Limiting Quite often, electrochemists are working with sensitive cells which would be destroyed if the full compliance of a potentiostat were brought to bear. Bubbles in a flow cell system can easily cause potentiostats to lose voltage control by blocking feedback to the instrument from the reference electrode. Without compliance limiting, a carefully prepared electrode will be ruined. With this feature, the user can simply select the maximum potential the counter electrode will be allowed to apply. When the limit is reached, it is clamped to the preset level. Compliance limiting guarantees safe operation even if control is lost. Optional Power Boosters SRS offers a ±5 A (O100BST), ±10 A (O200BST), or ±20 A (O400BST) power booster for applications requiring higher current. All three models are affordably priced. Floating Working Electrode In normal operation, the working electrode current return path is tied to chassis ground. However, there are times in which electrochemists wish to experiment with working electrodes that are intrinsically grounded (e.g., water pipes, rebar in concrete, an autoclave). Once the shorting bar from the rear panel of the instrument is removed, the ground return path floats, allowing these experiments. Fast Cyclic Voltammetry The EC301 supports scan rates up to 10 kV/s. Potential, current and an auxiliary signal are all acquired simultaneously at 250,000 samples per second. Furthermore, an AC line detection circuit allows synchronization of repetitive scans with the power line cycle. Built-in Temperature Measurement Temperature is a critical parameter in many battery, fuel cell and corrosion experiments, but it is often not recorded. Not knowing the temperature at which the data were acquired can make it difficult to compare your results. With a built-in input for a 100 Ω platinum RTD, the EC301 makes it easy to acquire and plot temperature right along with the rest of your data. Open Command Set While our software supports all major electrochemical techniques, we realize that electrochemistry isn’t static. When a new technique or procedure is developed, the open command set lets experimentalists write customized software to support it. You can write in LabVIEW, MATLAB, or any other language.
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