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Home / Computer Hardware, Monitors & Peripherals / Thermometer Indoor Home Precise High-Accuracy Sensor Wall-Mounted Dry-Wet Hygrometer Humidity Gauge for Refrigerator Science

Attributes

Brand -
Category Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals
Origin -
Temperature Range -50°C to 70°C (-58°F to 158°F)
Humidity Range 0% to 100% RH
Temperature Accuracy ±0.3°C (±0.5°F)
Humidity Accuracy ±2% RH
Display Type 3.5 Inch LCD Digital Screen
Power Source 1 x AAA Battery (Included)
Mounting Type Wall-Mount or Desktop Stand
Casing Material Durable ABS Plastic
Product Dimensions 85mm x 65mm x 15mm
Response Time Less than 30 Seconds

5 reviews

A

Anonymous

Mar 29, 2026

Rating: 5/5

Reliable Monitoring

Keeps track of humidity perfectly in my greenhouse setup. No connectivity issues or dropouts.

A

Anonymous

Mar 09, 2026

Rating: 4/5

Good for the price

Works well in the fridge to monitor temperature fluctuations. Battery life seems decent so far.

A

Anonymous

Feb 05, 2026

Rating: 5/5

Clear Display

Easy to read from across the room. The numbers are large and the backlight is helpful at night.

A

Anonymous

Feb 04, 2026

Rating: 5/5

Excellent Precision

Used this in my home lab and it matches my calibrated equipment perfectly. Very happy with the purchase.

A

Anonymous

Jan 30, 2026

Rating: 5/5

Easy Installation

Adhesive backing is strong and the stand option is sturdy. Mounted it on the wall in minutes.

5 FAQ

Q: Does it store max/min values?

A: Yes, it records maximum and minimum temperature and humidity readings until manually reset.

Q: Can this be used in a freezer?

A: Yes, provided the temperature stays within the range of -50°C to 70°C.

Q: Is the battery replaceable?

A: Yes, it uses a standard AAA battery which can be easily replaced when depleted.

Q: How do I reset the device?

A: There is a small reset button on the back. Press it gently with a pin to clear memory.

Q: Is it waterproof?

A: No, it is designed for indoor dry environments only and should not be exposed to water.

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