Environmental Monitoring Devices

noun a tool for determining the proper exposure settings for a camera

• The photographer used a light meter to measure the intensity of the light in the studio.
• I always carry my light meter with me when I go out for photoshoots.
• Dude, don't forget your light meter if you want to get those perfect shots.
• Her intuition acted like a light meter, guiding her towards the right decision.

noun An instrument used to record and analyze the spectrum of light emitted by an object

• The astronomer used a spectrograph to analyze the light emitted by the distant star.
• The scientist busted out the spectrograph to check out the star's colors.
• I'm gonna use the spectrograph to see what's up with that star.
• Her eyes acted like a spectrograph, analyzing every detail of the painting.

noun a small, straight-sided vessel used in laboratory experiments or in spectrophotometry

• The scientist placed the sample in the cuvette before inserting it into the spectrophotometer.
• Make sure you put the liquid in the little glass thingy before you start the test.
• Don't forget to pour the stuff in the cuvette before you do the experiment.
• Her mind was like a cuvette, containing different thoughts and ideas waiting to be analyzed.

noun a device used for measuring the acidity or alkalinity of a substance

• The acidometer is a precise instrument used in chemistry labs to measure the acidity of a solution.
• I used the acidometer in my science experiment to test the pH level of different liquids.
• Hey, can you pass me that acidometer thingy so I can check if this lemonade is too sour?
• Her sharp tongue acted like an acidometer, always ready to measure the acidity of any situation.