Measuring Amplifiers MA-UNI/-UI/-U By Bmcm: High-End Measurement
The isolating 5B measuring amplifiers of BMC Messsysteme GmbH (bmcm) provide for optimum signal conditioning, effective noise suppression, and protection against high potentials. Precise and safe measurements are guaranteed.
Maisach (near Munich) (I-Newswire) December 17, 2012 - Measurement is not just measuring. The quality of the measurement setup is decisive for measuring data to be reliable. This can be considerably improved by the following points:
• Avoiding ground loops
If measuring signal, DAQ system, PC, and power supply have a different ground reference, a compensating current occurs. In the most harmless case, only the signal will be distorted. Not separating potentials, however, is often the cause for destroying the measurement system. Isolation is the suitable method here.
• Suppression of common-mode voltages
It's a popular fallacy to think differential measurement is the solution for noise-free measuring results. In this case, 'only' the voltage difference between two analog connections is measured. A static or dynamic increase of the real signal potential - the so-called common-mode voltage - adds up to the measuring signal. The permitted input voltage of the DAQ system can easily be exceeded.
When testing a battery, for example, the (low) voltage of each single cell is measured. Common-mode voltages generated by the other battery cells and not being separated can make the measured signal useless or be a serious danger to the DAQ system. Again galvanic isolation is the answer.
• Signal conditioning
Sensors often provide signals in the millivolt range. A pre-connected measuring amplifier allows for optimum signal adjustment to the whole input range of a DAQ system. The system is used to its full extent and tiniest signal changes can be detected.
These criteria mentioned before are met right away if connecting an isolating measuring amplifier. The 5B measuring amplifiers of the MA series by BMC Messsysteme GmbH (bmcm) feature triple galvanic isolation between measuring signal, PC data acquisition system, and power supply. This provides maximum interference resistance and maximum protection for the measurement system. Noisy environment, e.g. caused by industrial machines, does not influence the measurement result.
The measuring amplifiers feature sensor supply as well as various measuring ranges and filter cut-off frequencies set with DIP switches at the module. Offset and Gain are calibrated via potentiometers.
The measurement specialist bmcm offers three versions of measuring converters:
Due to the high bandwidth (50kHz) of the voltage amplifier MA-U, even slightest peaks of extremely small signals do not remain undetected.
The MA-UI featuring many selectable measuring ranges allows for optimum adjustment to voltage and current signals.
To easily connect the 5B series to sensors and the PC data acquisition system, bmcm offers different amplifier boxes (AMS series) and backplanes (AP series).
MA-UNI, MA-UI, MA-U: A strong team ranging from universal to unique.
Further information is provided on the website of BMC Messsysteme GmbH (bmcm).
About BMC Messsysteme GmbH (bmcm)
*** About BMC Messsysteme GmbH (bmcm) ***
BMC Messsysteme GmbH was founded in 1994 a More..s an independent corporation with headquarters in Maisach, app. 30 km west of Munich. bmcm is one of the only German companies that completely develops and produces in Germany. The products of data acquisition and PC measurement from BMC Messysteme GmbH stand for quality "made in Germany". Great emphasis ist set on keeping an excellent price/performance ratio. Due to direct distribution, customers can profit from the advantage of direct contact to the manufacturer.
BMC Messsysteme GmbH serves the following business areas:
* Measuring components and PC measurement technology *
This comprises a wide range of connection systems, measuring amplifiers, data acquisition cards (internal and external), "ready-for-use" data acquisition systems, data loggers and the appropriate software for visualization, recording and analysis.
* D2M (Design to Manufacturing) and OEM products *
BMC Messsysteme GmbH develops and produces electronic components according to customer specifications.
You will receive high-quality products manufactured according to the RoHS directive. Of course, the corresponding documentation and CE test is always included.
A German documentation is obligatory for us, as well as an English description to be available to our international customers.Less..
BMC Messsysteme GmbH (bmcm)
Hauptstr. 21, Maisach
Phone : 0049-8141-404180-2
Tags:isolation measurement Interferences signal conditioning potentials measuring amplifier ground loop common-mode voltage noise suppression
Published On:December 17, 2012
Print Release:Print Release
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