Time & Temperature ControlQuestion 210 of 319
Calibrating with the ice-point method, what dial reading is considered acceptable on a bimetallic stem thermometer that does not have an adjustable nut?
a.Anywhere between 25°F and 40°F
b.Anywhere between 28°F and 38°F
c.32°F ± 2°F (so between 30°F and 34°F)
d.Exactly 32.0°F with no tolerance
Explanation
After the stem sits in an ice-water slurry for 30 seconds, a properly calibrated thermometer should read 32°F ± 2°F. If the reading is outside that window and the thermometer has no adjustment nut, it should be retired. Thermometers with a calibration nut should be adjusted until they read exactly 32°F.
Law Reference: Cal. H&S Code §114020This topic, taught in full in the Food Handler Card guide. Food Handler Card — Complete Study Guide (2026) — PDF + EPUB, $9.99 · 14-day refund →
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