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Sling Psychrometer, Red Spirit Fill
- Item # 3NE55
- Mfr. Model # 1330PJ
- UNSPSC # 41112302
- Catalog Page # N/A
- Shipping Weight 0.5 lbs.
- ItemSling Psychrometer
- Relative Humidity Range10 to 100%
- Temp. Range20 Degrees to 120 Degrees F
- Temp. Accuracy+/-1 Degrees
- Wet Bulb Temperature Range20 to 120 Degrees F
- FillRed Spirit Alcohol
- Degree Divisions2 Degrees F
- Special FeaturesSlide Rule Design
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Grainger part number 3NE55 Sling Psychrometer is a compact, streamlined instrument that measures the wet and dry bulb temperatures of the surrounding air and allows for immediate conversion of these readings to relative humidity percentage on the slide-rule scale on the case. Relative humidity is a ratio of the amount of water vapor in the air to the amount that would be present if the air were saturated. The term "relative" is used because warmer air can hold more water vapor than cold air. Thus, at the same relative humidity, the actual amount of water vapor in the air at, say, 20°F is considerably less than the amount of water vapor in the air at 90°F. So, the tolerance of +/- 1 degree also holds true for the relative humidity readings.
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