Welch Allyn 01690-201 SureTemp Plus 690 Thermometer

Item Weight: 1.37 pounds

Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

Without spec data beyond a single weight figure, this isn't one we can confidently place against other thermometers on the market.

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ASIN: B00KIVXA9OModel: 01690-201Category: Medical Thermometers

Overview

This is a thermometer from Allyn, model 01690-201, weighing 1.37 lb. The listing does not include a seller description or further specs such as display type, measurement site or power source.

With no seller copy and only a single weight figure in the attribute data, this listing is thin on detail beyond the model number itself. The Vitamins & Supplements category label is a clear catalog miscategorization for what is a thermometer.

Model 01690-201
Weighs 1.37 lb
No further specs listed

Who it's for

Buyers who already know this Allyn model number and its intended use. Not useful as a general at-home thermometer comparison since basic specs like measurement site or read time aren't given.

Pros and cons

Pros

Rated 4.2 from 15 buyers
Relatively light at 1.37 lb

Cons

Almost no spec data beyond weight
No seller description provided
Miscategorized under vitamins and supplements

Performance notes

No data is provided on how this thermometer takes a reading, what its display shows, or its power source, so its actual operation can't be described beyond the model number and weight given here.