If you have questions about our products you own, Fill out the form below and we will answer any questions you have. Tips: Fields marked with*are required. Small Volume Quartz Accelerometer ER-QA-03C(15~50μg)◆Bias repeatability:15-50ug◆Factor scale repeatability:15-50ppm◆Class II non-linearity repeatability:20-30μg/g2