What is BS EN 45544-3– Workplace air about?
BS EN 45544-3 is the third part of the multi-series standard that specifies the performance requirements for electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours in workplace atmospheres.
BS EN 45544-3 is applicable to apparatus used for general gas detection.
EXAMPLE Safety warning and leak detection are examples of general gas detection.
Who is BS EN 45544-3– Workplace air for? 
BS EN 45544-3 on workplace air is relevant to: 
- Chemical Engineers 
- Researchers and scientists 
- Agencies concerned with health and safety at work 
- Analytical laboratories  
- Industrial hygienist 
Why should you use BS EN 45544-3– Workplace air? 
Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours generate readings in clean air which vary with environmental conditions and time.
BS EN 45544-3 specifies the general procedures and test methods for performance requirement, use and maintenance of electrical apparatus used for direct gas detection of toxic gases and vapours. 
BS EN 45544-3 benefits the end-user by providing analysis, sampling and monitoring, and preparing samples for the testing and maintenance methods. 
BS EN 45544-3 will allow you to provide measurement systems for the exposure of toxics and harmful gases that damage the ozone layer and affect the environment 
