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Maverick Dynamo Temp DYNT-02 Review

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Maverick Dynamo Temp DYNT-02

The Maverick Dynamo Temp DYNT-02 instant read thermometer uses an internal dynamo (generator) to charge a capacitor that powers the unit while in use, obviating a battery. Opening up the probe operates the dynamo, producing enough energy to operate and take a measurement of the food temperature.

Opening the probe once will provide about 15 seconds of use. You can open and close the probe several times to increase the on time to about two minutes and twenty seconds, easily long enough to take a reading. To keep energy use to a minimum, there is no provision for a back light, making it difficult to read in a dark space. There is a Hold button that will let the user freeze the temp reading if needed, but if the capacitor discharges and the unit shuts off, the held reading is lost. The display does not rotate as the orientation of the thermometer changes, so it might be a little awkward for lefties.

There is a button on the back side of the unit to change temperature scales between Fahrenheit and Celsius. There are also magnets that allow you to store the thermometer on a ferrous surface that is not hot.

The thermometer has nooks and crannies that would make it difficult to clean, and it is water resistant only to splashes – no immersion allowed. The user must take care to keep the unit from accumulating food debris that would be difficult to remove.

Unfortunately, this thermometer failed during testing. It appears to be just a random failure. It wasn’t being subjected to any stress, but things do fail. This prevented me from performing the temperature accuracy and response speed tests.

The product warranty is for one year and applies only to non-commercial use. The manufacturer’s contact information, including a telephone number, website, and mailing address, can be found on the instruction sheet.

How to rate this product? Eliminating the battery has some appeal, but modern circuitry uses so little power that batteries last a long time. The housing isn’t waterproof, and it has a lot of places where food can hide and support bacterial growth. The response times are so-so but the accuracy is good. The price is low. My response to this product is tepid: a Bronze Medal.

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Product Information:

  • Thermometer Function:
    Hand Held/Instant Read
  • Item Price:
    $ 45.00
    *Price Subject To Change
  • Where to buy (buying from this supplier supports this website):
  • Probe:
    Length: 4" (10 cm); diameter: 0.16" (4 mm); tip: 0.07" (1.8 mm)
  • Battery Type:
    Internal dynamo
  • Battery Life:
    Indefinite
  • Safe Operating Range:
    14 to 122°F (-10 to 50°C)
  • Min & Max Temp:
    -40 to 482°F (-40 to 250°C)
  • Display Precision:
    0.1°
  • Actual Temp at 32 Degrees:
    not tested - unit failed
  • Actual Temp at 130 Degrees:
    129.4
  • Actual Temp at 225 Degrees:
    not tested - unit failed
  • Actual Temp at 325 Degrees:
    not tested - unit failed
  • Speed from 32 to 212 Degrees:
    not tested - unit failed
  • Speed from 32 to 212 Degrees:
    not tested - unit failed
  • Numbers Display Size:
    0.7" (1.75cm)
  • Water Resistance Rating:
    IP54 (splash resistant)
  • Weight:
    2.8 oz. (83 g)
  • C/F Switch:
    Built in CF switch
  • Backlight:
    No Backlight
  • Auto shutoff:
    Has Auto Shutoff
  • Color Options:
    Black
  • Thermometer Sensor:
    Thermocouple
  • App:
    None
  • Additional Features:
    Internal dynamo for power
  • Included:
    Thermometer, Instructions
  • Alarms:
    None

Published On: 4/4/2024

  • Bill McGrath, AmazingRibs.com Chief Thermometer Reviewer - Bill McGrath is AmazingRibs.com'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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