Dwyer Air Velocity Calculator
Category : Tools
Reviews (12)
Really like the app if you know the s.p or if u r having differential testing meter
Works. Easy to use.
It appears to have a bug when a barometric pressure other than 29 92 is entered. It does not agree with the old-fashioned dwyer slide rule calculator. It would be a nice tool if this is fixed.
The new version works great. The calculations are accurate. The flow of the application is good. Nice new features have been added. Nice update on this application.
Crashes often and does not even let me use decimal points. Most dP I take are less than an inch of water column
Dwyer, you need to fix the decimal point and when you have any value with 7 in it, it crashes! Fix it or pull it.
No decimal point. Crashes 7 of 10 times I opened it.
The calcs using metric are incorrect; seems to give fpm value as answer
FYI, app does not accept values <1 written like ".32" but it does accept values written like "0.32". I only use inches so can't comment on any metric bugs.
It will not accept vp of less than 1". Just says "Please enter a valid number." 99% of what I do has a vp of less than 1". VAVs are a perfect example.
Don't know about the low pressure comment, works on my phone. Replaces sliding chart.Seems like a decent app.
Generally good, but needs the option to multiply flow by .9 for using center measurement.