Definition of critical for Students. 1 : likely or eager to find fault. 2 : consisting of or involving judgment of value, worth, beauty, or quality critical writings. 3 : using or involving careful judgment a critical examination of a patient.
This unit may be used on the counter or built-in with a separate trim kit... GE WB24X799 Microwave Gas Sensor. This listing is for a new GE WB24X799 Microwave Gas Sensor ........ This item was taken out of a new freight damaged microwave..............
An electronic motion detector contains an optical, microwave, or acoustic sensor, and in many cases a transmitter for illumination. However, a passive sensor senses a signature only from the moving object via emission or reflection, i.e., it can be emitted by the object, or by some ambient emitter such as the sun or a radio station of sufficient strength.