Feb 15, 2008 #1 D deepak.sibi Junior Member level 3 Joined Apr 10, 2006 Messages 26 Helped 1 Reputation 2 Reaction score 1 Trophy points 1,283 Activity points 1,452 Hi All, What is the significance of PPM in Crystals?What does it signify? TIA., Deepak
Feb 15, 2008 #2 FvM Super Moderator Staff member Joined Jan 22, 2008 Messages 52,900 Helped 14,778 Reputation 29,841 Reaction score 14,227 Trophy points 1,393 Location Bochum, Germany Activity points 300,207 Re: PPM in Crystals part per million frequency shift per degree of temperature change. e.g. 50 ppm over -20 to 80 degree (= delta 100) can cause 5000 ppm = 0,5% frequency variation.
Re: PPM in Crystals part per million frequency shift per degree of temperature change. e.g. 50 ppm over -20 to 80 degree (= delta 100) can cause 5000 ppm = 0,5% frequency variation.