Data Systems |
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Hardware — Lab-TraxAlthough WPI's Myobath-II tissue bath system can be configured to work with any data system, the Lab-Trax Data system is the preferred recording platform. Each channel in the Lab-Trax contains its own 24-bit analog to digital converter, an independent stimulator output and a built in variable gain bridge amplifier. In addition, 8 programmable digital outputs are provided. These are easily configured and are used to control the automated filling and draining of individual baths. By combining all of these functions into a 4- or 8-channel device; cost goes down and performance goes up. The low profile box fits virtually anywhere and because all functions are integrated into the same instrument, system noise is low and best of all, the wiring hookup is reduced to plugging in transducers and power. |
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SoftWare — Data-TraxAlthough the bundled Data-Trax software can be seen as a general purpose digital chart recorder, there are many features that make recording and analysis of isolated tissue bath data easier and less time consuming.The Data-Trax software allows you to easily convert voltage to real units, such as grams or mmHg. The display allows you to toggle between a preferred y-axis scaling (between 0 and 6 grams, for example) and the “best view” as determined by the AutoScale feature. Alternately, you can zoom-in or zoom-out by factors of two with a single mouse click. In a similar fashion, x-axis scaling can be expanded or compressed by factors of two with a single click. Where multiple channels are being viewed simultaneously the user can define additional “Views” of the data. For example, in addition to the main or default display showing all channels, the user might create additional views, each showing only a few channels to allow a better online presentation of the data. While recording, you can mark your data with text messages. These marks are searchable and appear in the field of data to which they apply. Marks are time locked to the record and can be used to “Go To” any marked region of the data. |
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Data-Traxalso controls the built in stimulator in The WPI-118 and T-series recorders. Pulse protocols can be created in advance, stored and delivered automatically or on command. Pulse durations, frequencies and amplitudes can be changed as the protocol is being delivered. The software also offers full control of digital I/O lines that can be used to count events, or control devices in the lab environment such as valves or injectors. |
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Myobath II |
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