IllustrationHeaters · Temperature equipment
Zacro digital thermometer, taken apart
A wired probe thermometer with a dry external display. The Amazon extract states ±1 °C accuracy; this has not been independently tested.
±1°C
Listed accuracy
LR44
Battery listed
Probe
Submerged part
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Taken apart
Every part
The verdict
Works / doesn't
What works
What doesn't
Care
- Keep the display out of the water (listing).
- Read the water temperature and compare it with the species requirements.
Specs
The numbers
| Placement | Only probe underwater; display dry (listing) |
|---|---|
| Accuracy | ±1 °C (listing; not independently tested) |
| Range | −50 to 70 °C (listing) |
| Power | One LR44 button cell, included (listing) |
| Display size | 5.8 × 3.8 × 1.5 cm (listing) |
Sources
Where this comes from
- Amazon UK listing, extracted 2026-10-25
- Manufacturer / species source
- Manufacturer / species source
- Manufacturer / species source
From our TikTok post “Is your tank the right temperature? Don’t guess. Zacro digital thermometer”. How we review.