Guidelines for Setting Resistance Test Thresholds
Guidelines for Setting Resistance Test Thresholds Among other things, cable testers are used to ensure that cable assemblies do not have OPENS or SHORTS. In simple terms it looks like…
Where to Start – Part 2
Where to Start - Part 2 How do we test for something we cannot always see? Some folks still do it the old-fashioned way: make the assembly, plug it into…
Ideas for Improving Hipot Safety
Ideas for Improving Hipot Safety Cirris hipot testers are designed to be as safe as practically possible. Injuries from hipot test equipment are very rare. Still, not every hipot test…
Guidelines for Testing Components
Guidelines for Testing Components Test Situation Considerations Test coverage with simple continuity (pattern only) testers Continuity testers check only the pattern of connections. These testers treat passive components (resistors, diodes,…
Insulation Failure
Insulation Failure Test Results: Failures indicated while testing the cable IR Failures Necessary Conditions: Relative Humidity greater than 40% Aggravating Conditions: Conditions that could contribute to, or worsen, the effects…
High Voltage Testing on Small Pitch Connectors
High Voltage Testing on Small Pitch Connectors As the spacing between contacts in connectors on small pitch connectors gets smaller, there comes a point where cables will not pass at…
Causes of Bad Connections
Causes of Bad Connections Bad connections caused by... Countermeasure / Process Change Could be detected in tests as... Open Intermittent Open High Resistance Wire not connected, missing or connected to…
Flux Can Cause I.R. Failures or Shorts (HV Failure)
Flux Can Cause I.R. Failures or Shorts (HV Failure) New / Clean 9 Pos. D-Sub male connectorDisassembled D-Sub ConnectorExample of how solder flux can wick up the pins of a…
Causes of Bad Insulation
Causes of Bad Insulation The following table shows some of the causes of bad insulation, how a Cirris tester will report insulation errors, and measures you can take to catch…
Will Low Voltage Testing Damage Components?
Will Low Voltage Testing Damage Components? When you need to test a cable, harness, or PCB assembly that contains components, you may wonder if a low voltage cable tester will…
