Patent ID: 6772640
Filing Date: 2004-08-10
Classification: G01L

Abstract:
A pressure transducer, including:(A) a shell; (B) a pressure sensor disposed in the shell; (C) a heater attached to the shell, the heater including a first heating element and a second heating element, the first heating element being characterized by a first electrical resistance, the second heating element being characterized by a second electrical resistance; (D) one or more electronic components for applying an electrical signal to the heater, the heater generating heat in response to the electrical signal; and (E) a switching element for selectively connecting any of: (1) the first and second heating elements in series with the electronic components; (2) the first heating element in series with the electronic components; (3) the second heating elements in series with the electronic components and (4) the first and second heating elements in parallel with the electronic components.