Comparative Tracking Index Test
For determining tracking resistance of insulating materials as per IEC 60112 and ASTM D3638 for laboratory and industrial testing [...]
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Ampacity of a Wire / Cable
Incorrect ampacity selection can lead to overheating, insulation failure, fire hazards, voltage drop, reduced cable life, and non-compliance with regulatory [...]
Schering Bridge
For accurate measurement of capacitance and dielectric loss of insulating materials. This article explains its principle, working, applications, advantages, and [...]
How to Test Conductivity of Copper and Aluminum: A Step-by-Step Guide
What conductivity is, units of conductivity, conductivity formula, and following a proper step-by-step testing procedure [...]
Drawing Dies Measurement
Measure Cable/Conductor Resistance accurately by Kelvin Double Bridge or Micro Ohm meter [...]
Resistance Boxes
Standard vs Decade Resistance Boxes - their types, accuracy classes, materials, temperature coefficients, and applications in education, industry, R&D, and [...]
Glow Wire Test
The glow wire test simulates the effect of an overheating electrical component on insulating materials to evaluate fire hazard potential [...]
Low Resistance Measurement
Kelvin Double Bridge and Micro Ohm Meter are widely used for low resistance measurement. This article compares their working principles, [...]
High Voltage Breakdown Tester (AC/DC)
AC/DC Hipot testing, calibration, probes, safety precautions, applications, prices & manufacturers [...]
Alpha α – For resistance at 20 °C
Copper, Aluminium & Alloys have different alpha values for the calculation of Resistance at 20 °C [...]