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|Price:||$32.00 ($32.00 / Hygrometer) & FREE Shipping on orders over $35. Details|
The REED WD-5 Wet/Dry Bulb Hygrometer measures relative humidity by comparing readings of wet bulb and dry bulb thermometers using relative humidity tables supplied. Its accuracy is obtained by creating rapid air circulation around the bulbs. It is a non-mecury red spirit filled thermometer. Comes with NIST Calibration Certificate.