Mini 37mm Embedded Thermometer Hygrometer for Cigar Humidor

Keep your cigars in perfect condition with this Mini 37mm Embedded Thermometer & Hygrometer. Designed to mount flush into the lid or wall of any humidor or storage box, this compact analog gauge gives you an instant, battery-free read of both temperature and humidity — no apps, no charging, no hassle.

Its high-precision bimetal movement and large pointer dial make readings fast and effortless, while the eco-friendly ABS outer casing and metal-and-glass construction keep it durable and looking sharp inside your box. The elegant gold or silver finish adds a refined aesthetic to any cigar collection.

Key Features

• Embedded / Direct-Pin Mount — Installs flush into a 37mm hole for a clean, built-in look
• Dual Display — Reads both temperature (−30 °C to +60 °C) and relative humidity on one dial
• Battery-Free — Analog bimetal movement requires zero power; always ready to read
• 37mm Compact Diameter — Fits standard humidors, fishing tackle boxes, luggage, and storage bags
• High-Precision Movement — Fast, accurate readings to help maintain optimal storage conditions
• Durable Materials — Metal + glass face with environmentally friendly ABS housing
• Versatile Use — Also ideal for camping gear, travel bags, tackle boxes, and outdoor enclosures

Specifications

Made in Mainland China.

For more on how temperature and humidity affect stored goods, visit the NIST Weights & Measures resource for information on measurement accuracy standards.

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Frequently Asked Questions

Q: What size hole do I need to install this embedded thermometer hygrometer?

A: The gauge is 37mm in diameter, so you'll need to cut or drill a 37mm mounting hole in your cigar humidor lid, box wall, or storage container for a clean, flush fit.

Q: Does this thermometer hygrometer require batteries?

A: No — it uses a high-precision analog bimetal movement that requires absolutely no batteries or external power. Simply install it and it's ready to use immediately.

Q: Can this gauge be used in places other than a cigar humidor?

A: Yes! While it's ideal for cigar boxes and humidors, the 37mm embedded hygrometer also works great in fishing tackle boxes, travel luggage, camping storage containers, and any enclosed space where monitoring temperature and humidity is important.

Q: What is the temperature measurement range of this mini hygrometer?

A: This thermometer measures temperatures from −30 °C up to +60 °C, making it suitable for a wide range of indoor and outdoor storage environments.