Onicon F-2600 Uživatelský manuál stáhnout pdf (Strana 3)

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F-2600 & F-2700 Vortex Flow Meter Manual 02/15 - 0808-7 / 19204 Page 3

WARNINGS AND CAUTIONS

WARNING

Consulttheowmeternameplateforspecicowmeterapprovalsbeforeanyhazardous

location installation.

Hot tapping must be performed by a trained professional. U.S. regulations often require

a hot tap permit. The manufacturer of the hot tap equipment and/or the contractor

performing the hot tap is responsible for providing proof of such a permit.

Allowmeterconnections,isolationvalvesandttingsforcold/hottappingmusthave

the same or higher pressure rating as the main pipeline.

ForF-2700seriesinsertionowmeterinstallations,aninsertiontoolmustbeusedforany

installationwhereaowmeterisinsertedunderpressuregreaterthan50psig.

Toavoidseriousinjury,DONOTloosenacompressionttingunderpressure.

To avoid potential electric shock, follow National Electric Code or your local code when

wiring this unit to a power source. Failure to do so could result in injury or death. All

AC power connections must be in accordance with published CE directives. All wiring

procedures must be performed with the power Off.

Beforeattemptinganyowmeterrepair,verifythatthelineisnotpressurized.Always

removemainpowerbeforedisassemblinganypartofthemassowmeter.

CAUTION

Calibrationmustbeperformedbyqualiedpersonnel.ONICON,Incorporated,strongly

recommendsthatyoureturnyourowmetertothefactoryforcalibration.

Inordertoachieveaccurateandrepeatableperformance,theowmetermustbeinstalled

withthespeciedminimumlengthofstraightpipeupstreamanddownstreamoftheow

meter’s sensor head.

When using toxic or corrosive gases, purge the line with inert gas for a minimum of four

hoursatfullgasowbeforeinstallingtheowmeter.

ForF-2700seriesinsertionowmeterinstallations,thesensoralignmentpointermust

pointdownstreaminthedirectionofow.

TheACwireinsulationtemperatureratingmustmeetorexceed85°C(185°F)

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Onicon F-2600 Uživatelský manuál Strana 3