Digital Aquarium & Fish Tank Thermometer

Buyer Rating: 4.7 out of 5 from 37 Reviews
810-925 ETI New

Digital Aquarium max min thermometer with alarm

  • twin sensors measure external and water temperature
  • audible temperature alarm
  • displays max/min temperatures
  • display switchable to  °C or  °F

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in stock

£8.50 ex VAT

  £10.20 inc VAT

Whether for a commercial aquarium or a home fish tank, maintaining the correct temperature is vital for the safety of your fish. Our digital aquarium thermometer and alarm is both simple enough for home use and accurate enough for commercial use.

The digital aquarium thermometer also features an alarm to give you an audible warning if the temperature of your fish tank falls outside the safe temperatures you set.

With a 3000 hour battery life the 3 volt CR2032 lithium coin cell batteries will only need changing every 4 months.

This ETI aquarium thermometer features a large LCD display, max/min memory function to record the highest and lowest temperatures and an audible alarm. Temperature is measured over the range of -24.9 to 69.9 °C with a resolution of 0.1 °C and an accuracy of ±1 °C.  

The aquarium thermometer incorporates two temperature sensors, a remote water resistant probe with one metre PVC lead that is place inside the fish tank and an internal sensor for the room temperature. The remote probe can be mounted onto the aquarium wall using the suction pad supplied. 

The thermometer is housed in a durable ABS case and incorporates a foot-stand for shelf mounting.



range:-24.9 to 69.9 °C
resolution:0.1 °C/°F
battery:3 volt CR2032 lithium coin cell
battery life:3000 hours
display: custom LCD
dimensions:16 x 50 x 82mm
weight:50 grams
case material: ABS plastic
guarantee: one year
measurement scale: Celsius/Fahrenheit

810-925 Instructions

Instructions for the ETI 810-925 Aquarium thermometer

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