Intrinsic Safety – Part 3 – Impact of Gas Group on loop approval and cable lengths.
Further to my previous articles: How to calculate an intrinsically safe loop approval (http://www.instrumentation.co.za/7571a) and Calculating intrinsically safe loop approvals – Part 2 (http://www.instrumentation.co.za/7782a), we consider the impact of Gas Group on cable lengths for IS loops.