Noise Reduction and Isolation - mccdaq.com

Noise Reduction and Isolation CONTROLLING Noise Control Panel Grounding Controlling Noise in measurement systems is vital because it can become a serious problem Utility Circuit breaker Control even in the best instruments and data acquisi- distribution box panel transformer tion hardware. Most laboratories and industrial Hot phase A. environments contain abundant electrical- Noise sources, including AC power lines, heavy Hot phase B. machinery, radio and TV stations, and a variety of electronic equipment. Radio stations generate Neutral high-frequency Noise , while computers and Ground other electronic equipment generate Noise in all frequency ranges. Building a completely Noise - Earth Earth Enclosure free environment just for running tests and ground ground ground measurements is seldom a practical solution.

4 Measurement Computing • 10 Commerce Way • Norton, MA 02766 • (508) 946-5100 • info@mccdaq.com • mccdaq.com Figure 10.06 (7.02)

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