Strain gauge sensor resolution is determined by a number of factors, the most significant being the capabilities of the instrumentation to which it is attached and the level of noise (both electrical and mechanical) that exists within the operating environment. As a rough guide, a stable resolution of 1 part in 10,000 is readily achievable in the most industrial applications unless you have vibration present, while in benign environments you can achieve 1 part in 200,000 or more when using high stability versions of the DSC, DCell or DSC-USB signal digitisers.