UEi EM151 - Operating Instructions; Zeroing the Meter; Connecting for Pressure Measurement

OPERATING INSTRUCTIONS
1. Zero the meter
Priortouse,themetermustbezeroed.Todothis,ensurethe
meterisinanon-pressurizedarea,andpressandholdthe
‘ZERO’buttonforapproximatelyfourseconds.Thedisplaywill
show‘888’toindicatethatthezerofunctionhasoccurred.
2. Measure Pressure
Connecttheflexibletubebetweenthemeterandthe
pressuresource.
TheEM201’spositiveinputistotherightwhenlookingatthe
frontoftheinstrument.Applyingapositivepressuretothis
portwilldisplayapositivereading.Theinputtotheleftisthe
negativeport.(Applyingapositivepressureherewilldisplaya
positivereading).Useeitherinputtomeasureasinglesource
byventingtheunusedinputtoatmosphere.Theinstrumentwill
continuallyprovideadifferentialreadingofthetwoinputs.
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