PT0E‑0730
10
3−4.Flowmonitorcheck
WhenthepowergetsON,thepumpshallstartoperationcheckthatsuctionworksproperlyby
filtertubewithflowmonitor.
Atnormalsucking(Canseefloat)
Notsucking(Cannotseefloat)
3−5.Zeropointadjustment
ZeropointcalibrationforthisinstrumentshallbedoneHC,O2(Oxygen),H2S(Hydrogen
sulfide).
Float
Caution
Whenmakezeroadjustment,proceedtodoitafterhavingfreshairsuckedintoinstrument
forover1min.Whenmakezeroadjustmentthroughthesuctionofgaspresentatmosphere,
thecorrectmeasurementcannotbedoneanditmayleadtotheaccident.