Field Comparison between Sling Psychrometer and Meteorological Measuring Set AN/TMQ-22
Research and development technical rept.
ARMY ELECTRONICS COMMAND WHITE SANDS MISSILE RANGE NM ATMOSPHERIC SCIENCES LAB
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During the Service Check Test of Meteorological Measuring Set ANTMQ- 22, a discrepancy in dew point temperature readings was noted between it and the ML-224 Sling Psychrometer. From a series of independent tests designed to minimize error it was concluded that the ANTMQ-22 yielded a more accurate dew point reading. The average relative humidity error using the sling psychrometer was 9 while the ANTMQ-22 had a plus or minus 2 error. Even with cautious measurement the sling yielded a 4 error.