- High-impact, plastic case serves as a pivoted handle in use
- Wet and dry bulb thermometers, range 20 to 120°F in 1° divisions
Swivel-mount assures that the whirling thermometers always face air flow. Slide-rule humidity calculator is silk-screened on case. Slide rule range is 30° to 100°F. Percent relative humidity scale is graduated 10 to 100% in 5% intervals. Size, closed, 16 x 41 x 175 mm long; weight 85 g with wick.