Dial Hygrometer / Thermometer Gardening Accessories The speed of their development

The speed of their development is shocking

and black flaps to cover the observation windows

require less frequent replacement and

This system is known for its amazing growth rates

Dial Hygrometer / Thermometer Gardening Accessories The speed of their developmentThe dial hygrometer thermometer is ideal for home, classroom, lab or industrial use. Large, clear, 0 to 100% RH scale on 4" dial is easily read from a distance. Uses a precise synthetic hair hygrometer with an accuracy of 5%. Plastic face meets food industry requirements. Inner dial shows temperature using a bimetal thermometer, with an accuracy of 2F. Wall mounts. N. I. S. T. traceable Certification Report available. True dial reading 5 year warranty