Instrument used to measure hemoglobin?

Q. Instrument used to measure hemoglobin?
A. Sphygmomanometer
B. Hemocytometer
C. Hemoglobinometer
D. Barometer
Answer: Hemoglobinometer

A. Sphygmomanometer
B. Hemocytometer
C. Hemoglobinometer
D. Barometer
Answer: Hemoglobinometer