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Body thermometers and what they can measure
Body thermometers and what they can measure: contact digital, infrared forehead, tympanic and non-contact compared on published agreement with core…
This launch guide maps the topic, the source base and the practical questions. Check the linked official authority before acting on a rule, deadline, price or safety requirement.
What this guide covers
Contact digital, infrared forehead, tympanic and non-contact compared on published agreement with core temperature, not on marketing accuracy — the lab figure of ±0.2 °C and the clinical spread are different numbers and the page says so. Item pages give the site-offset table (rectal, oral, axillary, tympanic, temporal), why a cold room or a sweaty forehead skews infrared, a water-bath calibration check, thermometers for newborns, mercury disposal, and buying for a school or workplace. ~13 pages.
How to use it
Use Body thermometers and what they can measure to understand the inputs, units and assumptions before relying on an output. A useful result should be reproducible from the named source rather than presented as an unexplained score.
The page keeps the main question, its evidence base and its limits together in one canonical place. That makes it useful as a quick orientation and avoids splitting a broad subject into shallow pages before each narrower answer has enough verified material of its own.
Search vocabulary in four languages
Terminology changes across borders. These are example phrases people use for the same subject in Estonian, Finnish, Russian and English; they are included as a practical vocabulary aid, not as hidden keywords.
| Language | Example phrase |
|---|---|
| Estonian | otsmiku termomeeter täpsus |
| Finnish | kuumemittari kainalosta ero |
| Russian | бесконтактный термометр точность |
| English | forehead vs ear thermometer accuracy |
Evidence and provenance
The evidence map below records the primary, official or openly licensed material chosen for this guide. It is deliberately visible so a reader can tell the difference between a rule published by an authority, a measured dataset and an editorial explanation.
Source: ISO 80601-2-56 scope abstract, published meta-analyses of peripheral versus core thermometry (cited), NICE NG143 (free), Regulation (EU) 2017/852 on mercury (EUR-Lex, reusable). · checked 2026-09-09
Source names are preserved even where an authority changes its web address. No figure is added to this launch page unless it is already present in the cited source description or can be computed from a named dataset.
Scope and boundaries
/fever covers what to do about a temperature and paediatric dosing; this covers the instrument only.
Connected TempoLife guides
The following paths are the intentional hand-offs named in the brief. They keep adjacent subjects separate while making the next useful reference easy to find.
Fever
Continue to the related TempoLife reference.
Vitals
Continue to the related TempoLife reference.
Kits
Continue to the related TempoLife reference.
Why it belongs on TempoLife
/fever, /vitals, /kits.
Frequently asked questions
What does this guide cover?
Contact digital, infrared forehead, tympanic and non-contact compared on published agreement with core temperature, not on marketing accuracy — the lab figure of ±0.2 °C and the clinical spread are different numbers and the page says so. Item pages give the site-offset table (rectal, oral, axillary, tympanic, temporal), why a cold room or a sweaty forehead skews infrared, a water-bath calibration check, thermometers for newborns, mercury disposal, and buying for a school or workplace. ~13 pages.
What evidence does it use?
ISO 80601-2-56 scope abstract, published meta-analyses of peripheral versus core thermometry (cited), NICE NG143 (free), Regulation (EU) 2017/852 on mercury (EUR-Lex, reusable).
Where does this guide stop?
/fever covers what to do about a temperature and paediatric dosing; this covers the instrument only.
Turn the reference into a routine
TempoLife brings food, movement, sleep and everyday health habits into one private place when you want to track what happens next.