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An intervalometer is usually a handheld device with a long cord that plugs into a cameraâs auxiliary port. It looks and works very similar to a remote trigger release. The type of intervalometer youâll need depends on your type of camera.
What is a Hygrometer When looking for a weather meter that measures relative humidity, you may find yourself asking âwhat is a hygrometer?â The true hygrometer definition is an instrument which measures the water vapor of the atmosphere.