Comparative Tracking Index Test
For determining tracking resistance of insulating materials as per IEC 60112 and ASTM D3638 for laboratory and industrial testing [...]
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 standards [...]
Schering Bridge
For accurate measurement of capacitance and dielectric loss of insulating materials. This article explains its principle, working, applications, advantages, and standards in detail. [...]
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 labs [...]
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, accuracy, applications, advantages, and limitations to help you choose the right instrument for laboratory, field, or industrial testing. [...]
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 [...]