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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.
hygrometer A hygrometer UK /haÉªËÉ¡rÉmÉªtÉr/ is an instrument used for measuring the moisture content in the atmosphere. Humidity measurement instruments usuall... hygrometer A hygrometer UK /haÉªËÉ¡rÉmÉªtÉr/ is an instrument used for measuring the moisture content in the atmosphere. Humidity measurement instruments usually rely on measurements of some other quantity such as temperature, pressure, mass or a mechanical or electrical change in a substance as moisture is absorbed.