In order to understand the benefits and drawbacks of the melt-flow-rate (MFR) test completely, it is essential to know something about how the test is carried out. The methodology is included in ASTM ...

With discussions about utility billing and new water meters, there has also been a lot of talk about meter accuracy but little explanation about how this is tested. Utilities Director Jerry Walters ...

Variable frequency drives (VFDs), also known as variable speed drives (VSDs), are used to modulate the speed of motors in various applications, from hydronic water pumping to VAV fan units to vacuum ...

We've tested and reviewed products since 1936. Read CR's review of the Brondell Coral UC300 Three Stage water filter to find ...