User’s Manual Rev1.0Date:15/07/2015 User’s Manual9/472.3 Requirement on insertion directionOn a horizontalpipe line, normalair or gasAbove or under the pipeline Side of the pipe lineOn a horizontalpipe line, highhumidity air or wetnatural gas.45 degree under the pipe line or just under the pipelienOn the side of the pipe. Do not recommend to install the meter above thepipelineOn a verticalpipeline, when thedensity of the gas ishigher than air