DWYER产品其它常见问答
Q. Do we offer productions with metric units?
A. We now offer many of themost common metric scales on almost every cataloged product at nocost. A index of these metric models is located in the referencesection of our printed catalogs. Other scales can be done as aspecial order for a reasonable setup charge. The conversions fromEnglish to Metric can be found on the back inside cover of ourcatalog. The most common metric pressure units are kpa, pa, bar,mbar and mm of W.C.
Q. How often do our pressure gages need to berecalibrated?
A. There is no set life spanfor any of our products, as it varies based on usage. For criticalapplications, the unit should be tested 2-3 times a year. Undernormal circumstances, the units should be tested annually.
Q. Does Dwyer offer any certification on theirproducts?
A. Yes, at an additional cost,contact our service group for pricing; we are able to provide NISTcertification on our pressure gages up to 40" w.c. and ourflowmeters. We can also issue a certificate of conformance at nocharge for all of our products stating that they meet our publishedspecifications.