Long Term Proven and Optimized High-Precision 225 Hz Carrier Frequency Technology in a Modern and Universal Data Acquisition System

Marco M. Schäck

Abstract

The maximum resolution when measuring transduc- ers, which operate on the strain gage principle, is physically limited. The legendary high precision instruments of the DMP series with a high accuracy class of 0.0005 (5 ppm) reach this physical limit. Close to the accuracy class of the DMP series, the “…38”-devices of HBM archive the 0.0025 (25 ppm). <BR />HBM introduces a new amplifier in this “…38” series, the QuantumX MX238B. The MX238B maintains the well-known and proven 225 Hz carrier frequency technology combined with the pa- tented background-calibration function of the high precision ampli- fier DMP41 in a modular and compact data acquisition system.

Keywords

precision instrument, strain gauge, physical limit, high resolution, high stability, auto- and background-calibration

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IMEKO-TC3-2017-019.pdf

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IMEKO TC

TC3 - Measurement of Force, Mass, Torque, and Gravity

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