I have one, it lasted about 6 months before it quit reading right. I was using it to check a gas meter one day and the hospital tech had a hose and dial set up to show me that the delivery pressure was higher (13") than the 3.2" that I was showing.....it was freakin embarrassing.
"Christ is the Son of God Who died for the redemption of sinners and was resurrected after three days. This is the greatest truth in the universe. I die because of my belief in Christ." Watchman Nee