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Nixie Tube Thermometer "The NixieTherm II"

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Our designers wanted to come up with something new....and they have outdone themselves again... introducing "The NixieTherm II"..big brother to our famous "Nixie Therm"....a two tube Nixie thermometer using two vintage Russian N.O.S, (New Old Stock) IN-14 Nixie tubes!

Now the popular Nixie Therm II has a beautiful wood and clear plastic enclosure. We think it adds charm to the original design and a touch of class. It also can be displayed without the wood base if you choose to do so.

The result is the union of a modern microcontroller with a vintage classic display technology to create a lovely hand made novel temperature indicator. In its transparent enclosure the device will set off any home or office setting or desk to advantage and what’s more, the unit even doubles up as a night light.

Nixie tubes have a special charm all of their own. This digital thermometer, which uses just two tubes, is a little bit different. The temperature measurement itself is done by a Dallas-Maxim DS1820 one-wire digital sensor, while an AT89C2051 microcontroller processes the temperature information and drives the vintage Russian IN-14 cold war era Nixie tubes. Power consumption is less than two watts which makes it very energy efficient.

The red and blue LED indicators indicate whether it is getting warmer or colder. The red LED lights briefly when the temperature is rising, while the blue LED lights briefly when the temperature is falling. If the temperature is steady from one reading to the next, neither LED lights. The size is 3 1/4 inches square with a clear cover and beautiful wood base. It has four soft felt feet to protect the table or desk.


Display range: 0 to 99 (Celsius) and +32 to 99 (Fahrenheit) - Jumper selected

Temperature sensor: Maxim-Dallas DS1820, accuracy 0.5 K

Power supply: AC power adapter, 12 V to 15 V DC

Current consumption: 140 mA at 12 V

Tubes: Russian IN-14

Microcontroller: Atmel

Options: Choice of Celsius or Fahrenheit display (jumper)

Tube illumination blue LED

LED trend (warmer/colder) indicators red and blue

In the box:

NixieTherm II


Power supply for North American mains. Other countries supply available on request

Nixie Tube Thermometer "The NixieTherm II"


  • Handmade item
  • Materials: nixie tube, vacuum tube, microcontroller, red led, blue led, clear plastic, resistors, printed circuit board, transistor, wood
  • Ships from Michigan, United States to select countries.
  • Feedback: 130 reviews
  • Favorited by: 358 people