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The recorder used with spectrophotometers has _____ wavelength scanning speeds.(a) one(b) two(c) three(d) fourI got this question during a job interview.I want to ask this question from Pneumotachometers in division Pulmonary Function Analysers of Biomedical Instrumentation

Answer»

Right answer is (d) four

To explain I would say: The recorder used with spectrophotometers have four WAVELENGTH scanning speeds (100, 50, 20 and 5 nm/mm) and seven chart speeds (10, 5, 2, 1, 0.5, 0.2 and 0.1 inch/mm). It has a SENSITIVITY of 100 mV absorbance UNITS or 100 mV/100% T.



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