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ThermoWorks TempTest 1 Review

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ThermoWorks TempTest 1 Review

This small, hand-held thermometer exhibited excellent accuracy and had all the wish-list features to win a Gold medal. It was never off by more than 0.2ºF throughout the tested range. Its response time was a rapid 2 seconds, putting it among the fastest we’ve tested. It has a solid feel and all the seams are sealed, making it submersible, a nice safeguard for a food thermometer. It cannot be left in the oven/grill while cooking.

It has a min/max temperature capture, a Hold feature, and an automatic backlight that kicks in when the ambient light is low. Another handy feature is a rotating display. The numbers will rotate, in 90º increments, to display correctly whatever the orientation of the device. The only potential drawback is a fairly short temperature probe that measures only 3.15″/80mm.

The thermometer will auto-shutoff after 10 minutes, but this feature can be disabled by pressing the Hold button while pressing the on/off switch. It will revert to auto-off when powered down. The battery life is projected to be 5000 hours by the manufacturer. A scabbard is included to which a supplied belt clip can be attached or it can be slid onto a supplied wall mount bracket. The instruction manual is clear and complete.

The manufacturer’s contact info, including address, website, and telephone number, is found in the instruction sheet. The unit is covered by a 2 year limited warranty. A certificate of calibration is included with the thermometer.

What’s not to love? Solid construction, superb accuracy, super-fast response times, a backlight, a min/max button, a hold button, and a rotating display. At $105, it’s about five times the cost of many other units in its type class, but you get what you pay for. Solid Gold medal!

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Product Information:

  • Thermometer Function:
    Hand Held/Instant Read
  • Item Price:
    $ 105.00
    *Price Subject To Change
  • Where to buy (buying from this supplier supports this website):
  • Probe:
    length: 3.15" (80mm), diameter: 0.13" (3.3mm), tip: 0.06" (1.5mm)
  • Battery Type:
    2xAAA (included)
  • Battery Life:
    5000 hrs w/o backlight
  • Safe Operating Range:
    32 to 122ºF (0-50ºC)
  • Min & Max Temp:
    -58 to 572ºF (-50 to 300ºC)
  • Display Precision:
  • Actual Temp at 32 Degrees:
  • Actual Temp at 130 Degrees:
  • Actual Temp at 225 Degrees:
  • Actual Temp at 325 Degrees:
  • Speed from 32 to 212 Degrees:
  • Speed from 32 to 212 Degrees:
  • Numbers Display Size:
    0.4" (11mm)
  • Water Resistance Rating:
    IP67 (submersible)
  • Weight:
    3.7oz (105g)
  • C/F Switch:
    Built in CF switch
  • Backlight:
    Built in Backlight
  • Color Options:
  • Thermometer Sensor:
  • App:
  • Logging:
  • Included:
    Thermometer, sheath, belt clip, wall mount, instructions, Cert. of Calibration
  • Available Accessories:
  • Alarms:

Published On: 5/7/2014 Last Modified: 7/24/2023

  • Bill McGrath, Chief Thermometer Reviewer - Bill McGrath is's Thermometer Maven. He has sophisticated equipment, an electrical engineering degree from Cornell University, and an MBA (almost) from UC Berkeley. Despite being mostly retired, he is still the person responsible for developing and updating all of ExxonMobil's training modules.


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