Author Archives: Dave Brown

Preparing for Absence of Voltage Testing

Electrical Testing Safety – Part 1 Before you take a single measurement: Will you be troubleshooting or testing for the absence of voltage? What tools will you use to verify the energized or de-energized state? What Personal Protective Equipment (PPE) … Continue reading

Posted in Electrical, Maintenance, Measurement, Safety, Troubleshooting | Leave a comment

Calibration Report Tool Released for Evaluation

The new E & I Tech CalReportTool is ready to download for evaluation (Demo version, Rev. 5/24/2013). See Revision History below for the latest bug fixes and new features. Check back here for the latest revision. See CalReportTool Instructions for User instructions. If … Continue reading

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Calibration % Error Calculations

The Accuracy for most Process Instruments is usually specified in % of Span or simply % Span. The calibration Span is defined as Upper Range Value (URV) minus Lower Range Value (LRV). For Zero-based instruments, % Span is also known as … Continue reading

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