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Lactoscope is an instrument used for measuring purity or derivatives of milk . It also tells the amount of cream in milk. It is used in milk factories and other food factories to find out milk fats, oil and forage too. Read Full Story

Lactometer is an instrument used for testing relative density and richness of milk . It is also known as galactometer. It can even tell us the amount of liquids like water which is mixed in it, therefore make it easy for the researchers to find out how much dense the milk is. Read Full Story

Kymograph is an instrument used for recording fluid pressure, velocities or variation of any physiological or muscular process . Just like human pulses, it records the variations in fluid pressure and show results graphically. It also shows spatial position change over time of the fluids. Read Full Story

Cratometer is an instrument used to measure power of magnification . It is closely related to Auxometer having same function for determining the magnifying power of a lens. Read Full Story

Declinometer is an instrument used to measure magnetic declination . It is an optical device with magnet in it, held vertically so that it can define the elevation or angles of the site line. They are used in finding out different heights. Read Full Story

Decelerometer is an instrument used to measure deceleration . Deceleration is defined as the decrease in the velocity. Therefore, it shows that Decelerometer measures the decrease in the moving vehicle when applied brakes. Read Full Story

Dendrometer is an instrument used to measure trees, their age, height, thickness etc. These instruments are quite expensive with high sensitivity. Read Full Story

Densitometer is an instrument used for measuring optical or photographic density . It is aimed at photoelectrical cell and is said to be a light source that defines the ratio of the radiant flux absorbed by a body to that incident upon it. It is used for printer’s calibration for desired results. Densitometer has three types named as transmission, combination and reflection. Read Full Story

Diagometer is an instrument used for measuring electrical conductivity , the power of electricity transmitted from various electrical bodies. It is like an electroscope which consists of a magnetic pointer and a dry pile to measure conductivity power. Read Full Story

Dioptometer is an instrument used for measuring ocular focus or refraction of the eyes . It is used in visual telescope system for quality image, which determines magnitude and different omitting signs from any light source. Read Full Story