EM201B User Manual

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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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User Manual - Page 5