Accurate sling psychrometer - 5 ~ 50 Celsius. Red Liquid. Comes with a carrying case and plastic humidity chart. 3. 8 oz. 90 day Warranty. The thermometers are recessed into a protective plastic mounting. 8-1/2 x 6 x 1".
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Bacharach 0012-043 Sling Psychrometer -5/ 50C Red Spirit FilledBacharach, Inc. 0012-7043 #ad - Accurate to within ± 5% RH. The sling psychrometer accurately determines percent relative humidity without the necessity of consulting complex tables. The sling psychrometer contains a slide rule calculator which correlates wet and dry bulb thermometer indications for direct reading of relative humidity.
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Protmex MS6508 Digital Temperature Humidity Meter Digital Psychrometer Thermometer Hygrometer Humidity Monitor with Temperature Gauge Humidity Meter with Dew Point and Wet Bulb Temperature #ad
PIC Gauge B2MS-A 2" Dial Size, -40/120°F, Surface Mount, Magnetic Connection, Black Steel Case Surface Mount Thermometer #ad
Mengshen Digital Temperature and Humidity Meter - with Dew Point and Wet Bulb Temperature - Battery Included, M86 #ad
Testex Press-O-Film Replica Tape Kit with Micrometer Dial Thickness Gauge Inch Units, Coarse (0.8 to 2.5 mils) and X-Coarse (1.5 to 4.5 mils) Replica Tape Rolls, Training Surface and Burnishing Tool #ad