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The Thermalarm III uses hermetically sealed magnetic switches to trigger an alarm condition, eliminating concerns with corrosion and particle contamination of the contacts. This feature is of particular importance in applications where pesticides, high humidity and airborne dust and dirt particles are present.
Other features of the Thermalarm III are:
- Easier set-hand adjustment. The adjustable set-hands extend through the bottom of the instrument housing, so you can use your fingertips to adjust the high and low limits - no tools needed!
- Quicker response to temperature changes. Airflow through the opening at the bottom of the instrument case allows the instrument to sense air temperature change more rapidly.
The standard range of the Thermalarm III is from 20°F to 110°F. Additional ranges are available on special order: 40°F to 130°F, and a freezer/refrigeration model with -20°F to +70°F. Other temperature ranges may be available.
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