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--- projects:dustcounter [2017/05/07 05:20]
branth created
+++ projects:dustcounter [2017/05/07 12:20]
branth
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-====== Dust Particle Counter ======
+====== DIY Dust Particle Counter ======
-Based on: http://wiki.seeed.cc/Grove-Dust_Sensor/
+{{:projects:dustcounter:0715162344a.jpg?200|}}{{:projects:dustcounter:0721162314.jpg?200|}}
+Measures particulate matter at 1μm (one micron) diameter and calculates concentration in micrograms per cubic meter.
+Recommended exposure limits from various industry groups range from 5-15 mcg/m^3,
+Based on:
+  * http://wiki.seeed.cc/Grove-Dust_Sensor/
+References:
+  * https://www.osha.gov/dts/chemicalsampling/data/CH_259640.html
+  * https://www.osha.gov/dsg/annotated-pels/tablez-1.html
+Test readings:
+  * 7/21/16 {{:projects:dustcounter:screen_shot_2017-05-07_at_7.19.13_am.png?300|}}
+  * 7/28/16 {{:projects:dustcounter:screen_shot_2017-05-07_at_12.15.47_am.png?300|}}
+  * 5/5/17 {{:projects:dustcounter:screen_shot_2017-05-07_at_7.07.56_am.png?300|}}

Milwaukee Makerspace Wiki