So you’ve passed the P601 or P604 exam, congratulations! The next step is to submit two LEV Thorough Examination and Test Reports. It can be difficult to know where to begin when it comes to submitting two LEV Thorough Examination and Test. This template has been developed over the years with experience of mentoring Oxyl8…
Categorised:P601 Training Material
Latest OXYL8 LEV training video on YouTube which shows what happens when a Centrifugal fan is incorrectly wired (ie phases the wrong way round) – a situation which is all too common (estimated that approx 7% are incorrectly wired). The key point to note – and shown very well on the video – is that…
New OXYL8 training video on YouTube which provides an excellent introduction to the PITOT Tube, how to make the connections to a Manometer and how to take correct readings in a duct How to Use the PITOT Tube
A PDF of the slides from the BOHS Northern Ireland regional meeting. Titled Practical LEV Testing. BOHS Practical LEV Testing Slides
Glutton for punishment? Then you will enjoy our Manual calculation sheet! This is for calculating pressure losses for the P602 course and comes with notes to aid the practice of these calculations. We all rely on programs to calculate losses for us these days but you have to know this for your exam. Happy practising!…
Categorised:P601 Training Material, P602 Training Material, Training/Presentation
Tagged:BOHS, Calculation, manual, P602
This is a glossary of basic LEV terms: ACoP – Approved code of practice. This carries greater legal weight in Great Britain courts than guidance. Aerodynamic diameter – The diameter of a unit-density sphere that has the same settling velocity in air as the particle in question. Air cleaner – A device also known as filtration unit which removes…
This document has several basic formulas and exercises for you to try out if you want to brush up on your maths skills for LEV. May also help those who are looking to pursue P601 & P602. BASIC MATHS HOMEWORK
This is a ‘cheat sheet’ with the basic LEV Mathematical terms found in LEV. This references both imperial and metric terms. LEV Mathematical Terms
If you have worked through Module 1 – then this one is just a little bit more challenging. This Module looks at the Fan Laws. these are empirical, in that they are best considered ‘approximations’ to the real world but they do give you a clear picture of what will happen, for example, to the…
For Captor Hoods – Fletcher’s Nomogram chart for manual calculations of Hood Entry Velocity required to achieve a nominated minimum Captor Velocity at a chosen distance out from the hood (Captor Distance). All units must be in metric Select hood dimensions and calculate Aspect Ration (small dimension divided by large) Mark Aspect Ration on right…