Over the years there have been a number of advancements in the calibration services industry. There are various types of calibration services including: pressure calibration, electrical calibration, mechanical calibration, temperature calibration and humidity calibration to name a few. Pressure calibration is a common type of calibration process which gas and hydraulic pressures are measures through barometers, analogue pressure gauges, digital pressure gauges, transmitters and more. Electrical calibration measures voltage current frequency and resistance. Electrical equipment involved with this style of calibration includes data loggers, loop testers, clamp meters, counter timers and more.
It almost seems like a shame that US FED STD 209E, the set of clean room standards developed by the US General Services Administration, was cancelled. People may disagree about this, but the system was simple and easy to remember, which tends to bode well in industry and commerce. Take the example of STD 209E Class 10,000. It’s as simple as it gets! According to STD 209E, a Class 10,000 clean room can be classified as such only if a cubic foot of filtered air sample taken from within the clean room was found to feature no more than 10,000 0.5 micrometer-sized particles. And that was it.