Having always blindly trusted the pressure gauge on the Topeak Joe Blow Sport floor pump I’ve had since 2008, I was surprised at just how far off it was when put to the test with the Quarq TyreWiz sensors and two other floor pumps.
Topeak D2 SmartGauge (Amazon US): https://amzn.to/3wom6kH
SKS Airchecker Digital (Amazon US): https://amzn.to/3bNkKGA
Blackburn Honest Digital Pressure Gauge (Amazon US): https://amzn.to/3kfR0Hb
Quarq TyreWiz (Amazon US): https://amzn.to/3CV5mUB
Joe Blow Sport III Floor Pump (Amazon US): https://amzn.to/3EVHe4E