Oct 12, 2016 | Blog, Thermography Tips
Today’s topic: when we enter the emissivity correction value into the thermal imager, we are, in essence, telling it what percentage of the total energy it sees is being emitted by the surface. If that surface, like most we look at, is also opaque (meaning we can’t... 
Sep 19, 2016 | Blog, Electrical Rules
Thermography Thermography is a method of inspecting electrical and mechanical equipment by obtaining heat distribution pictures. This inspection method is based on the fact that most components in a system show an increase in temperature when malfunctioning. The... 
Aug 15, 2016 | Blog, Electrical Safety
Following a number of recent incidents, including electrocutions, where electric cable reels were involved, the HSA wishes to warn people of the dangers that could arise from the misuse or abuse of electric cable reels. The danger arises principally from overloading,... 
Jul 8, 2016 | Blog, Electrical Installations, Electrical Rules
Q: Some lampholders seem to become brittle after a relatively short time in use. Why is this? A: This is usually due to overheating either because of inadequate ventilation of the bulb or lampholder or by installing a bulb rated above the thermal capability of the... 
Jun 6, 2016 | Blog, Electrical Installations, Electrical Testing Standards
POWER FACTOR is the ratio between the useful (true) power (kW) to the total (apparent) power (kVA) consumed by an item of a.c. electrical equipment or a complete electrical installation. It is a measure of how efficiently electrical power is converted into useful work...
