Measure Humidity - Mason's Hygrometer - Red Liquid. 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. The red liquid masons hygrometer 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.
EAN: 077754662617
Categories Industrial & Scientific, Patio, Lawn & Garden, Outdoor Décor, Thermometers & Weather Instruments, Hygrometers,
| Country of Origin | China |
| Item model number | 736740 |
| Manufacturer | Sper Scientific |
| Product Dimensions | 2.87 x 1.26 x 11.97 inches; 3.8 Ounces |
