Aalborg XFM Digital Manual do Utilizador descarregar pdf (Página 39)

9. TROUBLESHOOTING

9.1 Common Conditions

Your XFM Digital Mass Flow Meter was thoroughly checked at numerous quality

control points during and after manufacturing and assembly operations. It was cal-

ibrated according to your desired flow and pressure conditions for a given gas or

a mixture of gases.

It was carefully packed to prevent damage during shipment. Should you feel that

the instrument is not functioning properly, please check for the following common

conditions first:

Are all cables connected correctly? Are there any leaks in the installation? Is the

power supply correctly selected according to requirements? When several meters

are used a power supply with appropriate current rating should be selected.

Were the connector pinouts matched properly? When interchanging with other

manufacturers' equipment, cables and connectors must be carefully wired for cor-

rect pin configurations. Is the pressure differential across the instrument sufficient?

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Aalborg XFM Digital Manual do Utilizador Página 39