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View Full Version : Determining nominal resistance for strain gages



Ck Lin
08-10-2004, 08:22 AM
Hello, All,

I have a quick question. Typical resistance for strain gages are 120ohms,
350ohms, 3500ohms. Does anyone know what were the reasons that these
resistance were chosen?

Please reply,

ck

-----Original Message-----
From: Biomechanics and Movement Science listserver
[mailto:BIOMCH-L@NIC.SURFNET.NL] On Behalf Of Ross.Anderson
Sent: Tuesday, August 10, 2004 4:38 AM
To: BIOMCH-L@NIC.SURFNET.NL
Subject: [BIOMCH-L] Simple (hopefully!) Nyquist Sampling Question

I am reasonably familiar with the area of sampling theory and have a simple
query that some of you may be able to help me confirm my own thoughts.

If a low pass filter is employed at exactly half the sampling rate (e.g. low
pass filter data acquired at 50 Hz at 25Hz) does this introduce errors into
the signal?

Thanks

Ross
Ross Anderson PhD MSc
Biomechanics Research Unit &
Sport & Exercise Sciences
College of Science
University of Limerick
IRELAND
353 (0) 61 202810
+353 (0) 865 8500833
ross.anderson@ul.ie
www.rossanderson.net

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