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Common Issues in 16th Edition Testing: RCD Current and Testing FAQs

This guide addresses common issues encountered during 16th Edition testing, particularly related to Residual Current Devices (RCD). It covers important specifications for RCD current, how mains voltage can affect current readings, and provides solutions such as using a variable voltage transformer. Additionally, it includes troubleshooting steps for 5I testing, ensuring uncertainty statements appear on certificates, and correctly measuring insulation test voltage. This resource is invaluable for compliance and effective testing.

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Common Issues in 16th Edition Testing: RCD Current and Testing FAQs

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  1. 16th Edition Testing FAQ Common Issues With 16th Edition Testing

  2. 16th Edition Testing FAQRCD Current • RCD Current Reads Incorrectly1. Please note that RCD current specifications are always positiveand when writing a procedure this must be taken into account. e.g. 100mA range spec. –0% +10% This means the current will be between 100mA and 110mA to write this into a ProCal procedure, the nominal test value should be 105mA ± 5%

  3. 16th Edition Testing FAQRCD Current • Does mains voltage affect RCD current?YES! Many of the older RCD testers are affected by mains voltage. • Solution1. Use a variable voltage mains transformer and set the voltage to the same as the calibrated voltage of the RCD tester.2. Use a formula in ProEdit to compensate for the different in mains voltage.

  4. 16th Edition Testing FAQ5I Testing • 5I Test Does Not WorkMost testers can only work on 5I with a time interval less than 40ms • SolutionSet the 2100 to an RCD time interval of less that 40ms

  5. 16th Edition Testing FAQUncertainty Statements • Uncertainty Statements Do Not Appear On My CertificateProEdit procedures requires a reference to a specific uncertainty statement line (up to 10 can be selected) • SolutionCheck the procedure has a valid uncertainty statement selected, and also check the uncertainty statements using the ProEdit Uncertainty Statements Editor.

  6. 16th Edition Testing FAQInsulation Test Voltage • Insulation Test Voltage Does Not MeasureSome testers output the insulation test voltage, with positive on the black lead. • SolutionReverse the test lead connections to the 2100 terminals

  7. 16th Edition Testing FAQSelecting Test Points • How Do I Select Which Test Points To Use?As a general rule, 3 test points should be used on a range / function covering low, mid and high points of the range.

  8. 16th Edition Testing FAQInformation Resources • Where Can I Find Answers To Common Usability Issues?The Transmille Web Site contains FAQs for the 2100 which includes application notes with details on how to resolve common issues.

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