Which of the following is the chopping frequency used for industrial analyzers in simple infrared analyser for gas analysis?
A. 2-10 Hz
B. 2-50 Hz
C. 2-100 Hz
D. 2-150 Hz
Answer:A
Which of the following is the chopping frequency used for industrial analyzers in simple infrared analyser for gas analysis?
A. 2-10 Hz B. 2-50 Hz C. 2-100 Hz D. 2-150 Hz
Explanation: The chopping frequency used for industrial analysers in simple infrared analyzer for gas analysis is 2-10 Hz. The chopper is motor driven.