Abstract: A method and apparatus for use in detecting conditions related to a plant are disclosed. More particularly, in accord with the invention, in the method and apparatus are provided a first sensing means for generating an electrical signal corresponding to the light level in the area surrounding a plant, an indication means comprising a meter for providing an indication or reading corresponding to the electrical signal generated by the sensing means, and a reference source in the form of a chart or table for relating the aforesaid indication or reading to a preselected reading associated with the particular plant.In a further aspect of the invention, a second sensing means is additionally provided for sensing another condition of the plant and a coupling means is provided for selectively coupling the first and second sensing means to the meter of the indication means.

Abstract: An electronic thermometer for home use comprising a casing containing a bridge circuit; a flexible probe containing a thermistor, said thermistor being permanently affixed to said bridge circuit through a lead wire and permanently calibrated to said bridge circuit; and further including storage means integral with said casing for storing said probe and said lead wire when not in use.