One thermometer
bulb is kept constantly wet by a siphon reservoir while the other
gives a dry temperature reading. Humidity is obtained by comparing the
two readings on the enclosed chart. Uses a safe and easy to read
red liquid in place of the usual mercury. Dual scales of -10/50°C and
10/120°F.
| Specifications |
| Dimensions: |
12 x 2-7/8
x 1-1/4" |
| Weight: |
3.8 oz. |
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