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Thermometers: Digital
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American Marine Calibration Thermometer American Marine Calibration Thermometer

The American Marine Calibration Thermometer is a continuous temperature monitor that can be calibrated and features a replaceable probe.

  • Accuracy is +/- 00.2 degrees after calibration
  • Resolution is 00.1 degrees in either the display, measurement or calibration modes
  • Measures temperatures from -58 F to +158 F
  • Includes a 3 meter cable

Our Price: $33.79
In Stock
AquaTop External Digital Thermometer w/ Dual Temp Display (DGT-25) AquaTop External Digital Thermometer w/ Dual Temp Display (DGT-25)

The AquaTop External Digital Thermometer w/ Dual Temp Display allows you to easily monitor your aquarium’s water temperature & ambient room temperature with a highly visible dual LCD display. The sleek, compact design provides for non-obstructive placement, making the DTG-25 the perfect choice for aquariums of all sizes. Accurate to +/- 2 degrees Fahrenheit. Must be mounted externally.

  • Mounted externally
  • Digital accuracy to +/- 2 degrees Fahrenheit
  • Compact design LCD display. The entire thermometer is 3" X 1.6".
  • Attaches with adhesive tape
  • Includes x 1 (AG13) 1.5V battery
  • Resolution: 0.1 degrees F
  • Ambient room temp: 14-122 degrees Fahrenheit
  • Water temp: 68-93 degrees F

Our Price: $17.99
In Stock
AquaTop Submersible Thermometer w/ Digital Display & Suction Cup Mount (DTG-15) AquaTop Submersible Thermometer w/ Digital Display & Suction Cup Mount (DTG-15)

The AquaTop Submersible Thermometer w/ Digital Display & Suction Cup Mount allows you to easily monitor your aquarium’s water temperature with a highly visible LCD display. The sleek, compact design provides for non-obstructive placement with a simple suction-cup mount, making the AquaTop Submersible Thermometer the perfect choice for aquariums of all sizes. It's accurate to +/- 2 degrees Fahrenheit and is fully submersible.

  • Fully submersible
  • Digital accuracy to +/- 2 degrees Fahrenheit
  • Compact design LCD display. 1.75" X 1".
  • Suction cup mount
  • Includes x 1 (LR44) 1.5V battery
  • Resolution: 0.1 degrees F
  • Water temp: 68-93 degrees Fahrenheit

Our Price: $16.99
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Coralife Digital Aquarium Thermometer Coralife Digital Aquarium Thermometer

Ideal for aquariums and terrariums. Readings in 0.1 degrees Fahrenheit or Celsius. Temperature range -10 degrees F to 140 degrees F (-23 degrees C to 60 degrees C). Mounting suction cups and battery included. 39 inch long temperature probe cord.

Our Price: $7.50
Sale Price: $6.99
You save $0.51!
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JBJ Digi-Temp Submersible Aquarium Thermometer JBJ Digi-Temp Submersible Aquarium Thermometer

The JBJ Digi-Temp Submersible Aquarium Thermometer is completely submersible and offers a constant digital display with +/- 1 Fahrenheit accuracy.

  • Submersible
  • Includes suction cup
  • Temperature Range: 32F-99F
  • Temp Accuracy: +/- 1 F
  • Power Supply: (1) LR44 Button Battery (Included)

Our Price: $8.49
In Stock
JBJ Digi-Temp2 External Aquarium Thermometer JBJ Digi-Temp2 External Aquarium Thermometer

The JBJ Digi-Temp2 External Aquarium Thermometer conveniently displays a large digital read out while discreetly mounted on the outside of your tank via included suction cup or two sided velcro tape. External temperature probe cord is 41" in length for easy placement.

  • Large Digital Temperature Display
  • Power: DC 1.5V-LR44 Battery Included
  • Temp Range: -58ºF to 158ºF (-50ºC to 70ºC)
  • Accuracy: +/- 1.5F
  • Fahrenheit or Celsius Readings
  • 41" Temperature Probe Cord
  • Compact Design: 2.25" x 1.5" x 0.5"

Our Price: $10.49
In Stock
Pentair Aquatics Big Temp-Alert Digital Aquarium Thermometer Lifegard Aquatics Big Temp-Alert Digital Aquarium Thermometer

Lifegard Aquatics' Big Temp-Alert constantly reads out water and air temperatures (the Little Time or Temp only does one at a time). This is a large-face digital thermometer measuring 4" X 4" X .75". It displays both the aquarium water temperature and room temperature in Fahrenheit. The all plastic probe has a 3 foot cord. The alarm will sound and LED will flash in the following settings: High Temp Alert Only (probe), Low Temp Alert Only (probe), Both High and Low Temp Alert (air/room), Both High and Low Temp Alert (probe).

List Price: $42.52
Our Price: $39.04
You save $3.48!
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Lifegard Aquatics LED Digital Thermometer Lifegard Aquatics LED Digital Thermometer

The Lifegard Aquatics LED Digital Thermometer is the industry's first submersible LED Digital Thermometer. This highly visible, ultra-bright blue LED display can be seen from across any room. When used submerged it displays the water temperature in your tank, and when used dry it displays the air temperature.


  • Fahrenheit
  • Adjustable suction cup attachment
  • Safe 6V power supply with 5 foot cord
  • For fresh or saltwater applications and reptile tanks

Our Price: $22.10
In Stock
Pentair Aquatics Little Time or Temp Digital Aquarium Thermometer Lifegard Aquatics Little Time or Temp Digital Aquarium Thermometer

Lifegard Aquatics' Little Time or Temp is a digital clock/thermometer with an illuminating light. It accurately measures tank water or room temperature in Fahrenheit or Celsius and includes a 3 foot cord with an all plastic probe and suction cup. 4.5" X 1" X .75".

List Price: $24.07
Our Price: $22.10
You save $1.97!
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More Digital Thermometer More Digital Thermometer

More Digital Thermometer

Our Price: $2.09
In Stock