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3.125 × 0.75 in
Drawn to its outside size

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For monitoring with a separate probe

ThermoWorks DOT Simple Alarm Thermometer

Leave-in probe with alarm, ±1.8°F.

An alarm thermometer keeps its meter outside the oven while a compatible probe measures inside.

Outside: 3.125 × 0.75 in

Specifications from ThermoWorks's own page. We do not test equipment hands-on: fit and lift answers are our arithmetic on these figures. How we compare.

How it differs from the ThermoWorks Thermapen ONE

The Thermapen is an instant-read tool; the DOT monitors a suitable leave-in probe and provides an alarm. An instant reading and a continuous reading answer different questions.

What changes between these models
DetailThermoWorks DOT Simple Alarm ThermometerThermoWorks Thermapen ONE
Temperature taskStays in the loaf or oven and sounds an alarm at your set temperatureQuick readings of dough and baked-loaf temperature
Accuracy (± °F, from -4 to 248 °F)1.80.5

View the side-by-side specifications

Side by side with the nearest alternatives

ThermoWorks DOT Simple Alarm Thermometer and the two closest models we profile
DetailThermoWorks DOT Simple Alarm ThermometerThermoWorks Thermapen NANOThermoWorks ThermoPop 2
What it does bestMonitoring with a separate probeThe fastest, most exact spot readingsQuick dough and loaf readings on a budget
Size and capacityLeave-in probe with alarm, ±1.8°FReads in 0.4 s, ±0.5°FReads in 2–3 s, ±1°F
Outside size3.125 × 0.75 in6.16 × 1.89 in7 × 1.8 in
MaterialNot listed by the makerIP67 waterproof body; Type K thermocouple probe; two built-in magnetsIP67 waterproof body; stainless probe
BuyAmazon and makerMakerAmazon and maker

Compare all three in full

Dimensions and details
Brand ThermoWorks
Type of equipment Thermometers
Exterior width 3.13 in
Exterior depth 0.75 in
Assembled height 3.13 in
Retailer ThermoWorks
Probe size Length: 4.5 in; Diameter: 0.13 in; Tip diameter: 0.08 in
Cable length Length: 47 in
Measurement range (°F) Minimum: -58; Maximum: 572
Operating range (°F) Minimum: 32; Maximum: 122
Accuracy (°F) Value: 1.8; Qualifier: plus-or-minus from -4 to 248 F; different outside that range
Probe cable maximum (°F) 700
Battery 2 AAA; up to 5000 hours
Dishwasher no
Ingress protection rating IP65 excluding probe connector
Alarm (dB) 70
NIST-traceable certificate Yes
Availability Current model
Care IP65 meter housing excluding probe connector; follow manufacturer care instructions.

ThermoWorks’s product page does not give the total weight or material for this model.

Guides that use this

Also in thermometers

See the buying guide
6.16 × 1.89 in
Drawn to its outside size

For the fastest, most exact spot readings

ThermoWorks Thermapen NANO

ThermoWorks' successor to the Thermapen ONE: readings in 0.4 s, ±0.5°F from −4 to 248°F, magnets on the back.

Reads in 0.4 s, ±0.5°F6.16 × 1.89 in outside