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EARTH SYSTEMS: ATMOSPHERE
Barometer, Metric
Non-mercurial, dial-type barometer with a dual range scale. Range is 940 to 1070 milli- bars or 710 to 800 mm of mercury with an accuracy of ±3 to 4 millibars. Instrument can be wall mounted. 4" dial is easy to read from a distance.
AP5070 I $34.70
Weather Center
Create a weather station right in your class- room with these durable meteorological instruments! Measure barometric pressure, relative humidity and air temperature and record the trends, averages and highs and lows. Sturdy carrying case holds a 3" barom- eter, hygrometer and Celsius and Fahrenheit thermometer as well as three stands for using the instruments individually. Activity Guide included.
Barometer, Mercury-Free
An extremely safe mercury-free barometer designed for educational use. Barometer’s length is four times larger than standard mercury barometers, making it extremely easy to read. Barometric scale is between 28.80
to 31.00" or 975–1050 mbars. Thermometer scale is between 32–122 oF or 0–51 oC. Barometer comes with a calibration kit to adjust the unit for altitudes above sea level. AP6436 I $320.45
Make Your Own Ozone Test
Paper—Student Laboratory Kit
In 1839, ozone was discovered by Christian Schoenbein. He developed a way to measure ozone in the air using a mixture of starch and potassium iodide spread on filter paper. In this activity, your students will learn about “good and bad” ozone, duplicate Schoenbein’s test paper and test for ozone and gather data and make conclusions about ozone concentrations in their hometown. FB1619 I $31.20
AP9339 I $43.00
Visit
Vantage Pro2TM Wireless Weather Station
A professional wireless weather station that allows students to easily monitor weather condi- tions. Accurately calculates barometric pressure and measures temperature, rainfall and more. Provides high and low temperatures, rainfall totals and averages for virtually all daily, monthly or yearly weather variables.
flinnsci.com
AP7538 I $712.70
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FLINN SCIENTIFIC I EARTH SYSTEMS
