Quick Answer: The Thermometer, Soil, Brass Cone is a soil thermometer in a machined brass housing with a conical brass tip that pushes into the ground. A graduated glass capillary inside the casing reads the temperature at root depth.
Last updated: October 2026
Key Features
Machined brass housing with protective outer casing
Conical brass tip for pushing into compact soil
Glass capillary with high-visibility backing inside the casing
Engraved 1.0°C graduations
Ring handle for controlled insertion and withdrawal
Red spirit or mercury filling (model dependent)
Technical Specifications
Specification
Value
Housing
Machined brass with protective outer casing
Probe tip
Conical brass
Sensing medium
Red spirit or mercury (model dependent)
Range
Typically -10°C to +110°C or 0°C to +50°C
Graduation
1.0°C, engraved
Internal thermometer
Glass capillary with backing
Handle
Ring
About This Product
Students use it in seed beds, garden plots and field trips to compare soil temperatures at a fixed depth, for example between sunny and shaded ground. The brass cone makes it easier to push into hard soil than a plain glass thermometer, and the ring lets it be lifted straight out. Educational Instrument can arrange export supply of the Thermometer, Soil, Brass Cone to Bosnia and Herzegovina, Mexico, Italy, Chad and Mongolia.
Frequently Asked Questions
Why does the soil thermometer have a brass cone tip?
The conical brass tip lets it be pushed into compacted soil without stressing the glass capillary inside the casing.
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