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Description: This family of 6-1/2 digit DMMs plug into any 3U PXI or CompactPCI Chassis. They sport +3,300,000 counts, which is over 300% more dynamic range than other units in this category. The SMX2040 has all the functionality and performance expected of a high quality bench-top DMM plus Thermocouple measurements, Offset Ohms and various triggering modes. The SMX2042 adds capacitance, frequency, various timing measurements, Peak-to-Peak, RTD temperature and more. The SMX2044 adds inductance, force/guard 6-wire Ohms, for measuring resistance networks and resistors in circuit. It also measures leakage with programmable voltage and can synthesize resistors. Several built in sources; DCV, ACV and DCI are fully programmable with variable level and frequency. The SMX2044 practically has a built in calibrator. See the Features Table for a complete list of features for each model. The plug in design provides the convenience of automated measurements, cost effectiveness and the smallest possible footprint. This with compromise in performance. Signal leads go straight from the SMX2040 in your PXI chassis to the device under test or to an SMX4032 relay-switching card that switches among multiple inputs. It couldn't be more straightforward. Also the S/W is simplified since there is no intermediary IEEE488 controller with its associated command language. Automated applications can be configured using Visual Basic, C, LabView, LabWindows/CVI, TestPoint, ATEasy, Matlab, Delphi and more. In fact, any package that allows access to DLL can control these DMMs. To get you started, source code for the virtual front panel (written in Visual Basic) is provided with your SMX2040. The SMX2040 is controlled with high-level commands to its on-board controller. The controller simplifies programming, minimizes overhead and speeds up control and measurement operations. This architecture also insures that the SMX2040 will operate well with all operating systems even those with slow real time response. For safety and accuracy the SMX2040 has a 330V isolation barrier from the PXI Chassis, making it a true differential instrument. Rugged input protection enhances reliability. Accuracy is maintained with state of the art precision components.
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Hardware Features
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SMX2040, 42, 44 Spec sheet (1.03 MB PDF) Download Evaluation Engineering
Magazine DMM Article reprint (53 k PDF) |