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 METEOROLOGY
Psychrometer Kit

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15 kits with guide
See dew point/relative humidity
Wet bulb wick + 2 thermometers
WL6839 $99.50
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Sling Psychrometer

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Highly accurate sling psychrometer
Two 9” thermometers; 20 – 120°F
Instructions/tables; quick results
WLS42740 $99.00
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Mason's Hygrometer

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Wet/dry bulb; mounts on wall
Laminated relative humidity chart
Dual Range: 20 –120°F/ -10 to 50°C
WLS42635-A $43.50
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