The product information / comparison is always in the context of a concrete application.
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Measuring task	Product name
Continuous / Liquids	Deltabar S FMD78	Deltabar S FMD77	Deltabar S PMD75	Deltabar FMD71
Pressure	Deltabar S FMD78	Deltabar S FMD77	Deltabar S PMD75	Deltabar FMD71
Liquids	Deltabar S PMD75
Gas	Deltabar S PMD75
Steam	Deltabar S PMD75