Preston_5564C04.fm Page 115 Wednesday, October 5, 2005 7:22 AM CHAPTER 4 ■ SENSORS 115 Figure 4-7. Dinsmore 1490 Figure 4-8. Devantech CMPS03 Figure 4-9. The PNI Corporation Vector 2X 97022d2480fe4a63cfdfa123a6e70098