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ThermoWorks ChefAlarm Leave-In ThermometerKitchen selection

At the fire

ThermoWorks ChefAlarm Leave-In Thermometer

Hold a probe inside a roast or brisket for the whole cook and sound a 92-decibel alarm when the meat hits the temperature the cook dialed in.

Price$85.95

Published by ThermoWorks: ChefAlarm Cooking Alarm Thermometer and Timer (TX-1100-RD). The price reference comes from the maker and can change.

Why this shape

The ChefAlarm is a leave-in, not an instant-read — the Pro-Series probe stays inside the meat through the cook so the cook is not opening the lid every ten minutes to plunge a ThermoPop back into the brisket and lose the bark. A six-foot silicone-jacketed cable runs from the probe through the closed oven or grill lid to the body, so the cable survives 700°F while the ABS housing stays outside the heat, and a 92-decibel alarm is loud enough to hear across a busy kitchen or a backyard grill. The NIST-traceable calibration certificate ships in the box — every ChefAlarm leaves the factory with a verified accuracy statement, not a marketing claim — and the unit reads across -58°F to 572°F with ±1.8°F precision across the cooking band. A count-up-and-down timer runs alongside the alarm, so the same device tracks both temperature and dwell without a second tool.

Good for
Low-and-slow briskets and pork butts on a smoker, oven roasts that need a high-heat alarm and a low-heat pull, deep-frying turkey where the alarm fires the moment the oil hits target, bread-baking proofing boxes held to a narrow band, candy work where ten degrees is the difference between soft-ball and Thread.
Not for
Searing on a flat-top where the cook wants a one-second reading and a probe cable would burn in a second. Reach for the ThermoPop 2 or Thermapen ONE recorded alongside for that work.
Care
IP65 splash-resistant (excluding probe connector). Wipe clean with a damp cloth; do not submerge the body. The probe and cable are oven and grill safe to 700°F; the body stays outside the heat. ThermoWorks publishes this verbatim on the product page.

Published specifications

What the maker states.

Material housing
ABS plastic
Material probe
Pro-Series probe, silicone-jacketed cable
Dimensions housing
5.94 H x 2.75 W x 0.75 D inches (150.9 x 69.9 x 19.1 mm)
Probe length
6.0 in (152.4 mm)
Cable length
47 in (1.2 m)
Cable max temperature
700 °F (371 °C) sustained
Measurement range
-58 to 572 °F (-50 to 300 °C)
Accuracy
±1.8 °F from -4 to 248 °F
Alarm volume
92 dB
Timer
Count up / count down to 99:59
Battery type
2x AAA
Battery life
5,000 hours
IP rating
IP65 splash-resistant (excluding probe connector)
Certification
NIST-traceable calibration certificate included
SKU
TX-1100-RD
In stock
Yes, at time of read