MEASURING INSTRUMENTS

VARIOUS INSTRUMENTS USED FOR MEASURING

• BAROMETER-TO MEASURE ATMOSPHERIC PRESSURE
• CARDIOGRAPH-TO MEASURE HEART RATE
• CRESCOGRAPH-FOR MEASURING GROWTH IN PLANTS
• FATHOMETER-TO DETERMINE THE DEPTH OF WATER
• HYDROPHONE-TO RECORD SOUNDS IN WATER
• LACTOMETER- TO MEASURE PURITY OF MILK
• PYROMETER-TO MEASURE HIGH TEMPERATURE
• SEISMOMETER-MEASURES MOTION OF THE GROUND
• THERMOMETER-TO MEASURE BODY TEMPERATURE
• MICROSCOPE-TO SEE OBJECTS THAT ARE TOO SMALL FOR THE NAKED EYE
• GRAVIMETER-MEASURING THE  LOCAL GRAVITATIONAL FIELD OF EARTH
• SPIROMETER-TO MEASURE THE VOLUME OF AIR INSPIRED AND EXPIRED BY LUNGS
• MANOMETER-TO MEASURE PRESSURE 
• SPECTROGRAPH-MEASURES THE WAVELENGTHS PRESENT IN ELECTROMAGNETIC RADIATION