Peaceful Pleasures Health and Wellness
Mini Digital Thermometer Hygrometer – Round LCD Panel Mount
Mini Digital Thermometer Hygrometer – Round LCD Panel Mount
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Mini Round Digital Thermometer & Hygrometer
Keep tabs on temperature and humidity anywhere — refrigerators, freezers, saunas, wine cellars, greenhouses, and more. This compact round thermometer/hygrometer features a crisp LCD display and fits neatly into any standard 41 mm panel cutout, making it a versatile tool for home and hobby use.
Key Features
- Clear LCD Display – Simultaneously shows both temperature and humidity at a glance.
- Wide Temperature Range – Measures from -50 °C to 70 °C (–58 °F to 158 °F), ideal for freezers, refrigerators, saunas, and more.
- Humidity Monitoring – Reads 10% to 99% RH with a resolution of 1% and a sampling cycle of approximately 10 seconds.
- Compact & Lightweight – Outer diameter 45.2 mm; opening cutout diameter 41 mm; weighs just 25 g (including battery).
- °C / °F Toggle – Press the button on the back to switch between Celsius and Fahrenheit at any time.
- Easy Panel Mounting – Embedded installation design fits standard round panel openings for a clean, flush look.
- Long-Lasting Battery – Powered by one AG13 / LR44 button cell (1.5 V DC), included or easily sourced.
- Accurate Readings – Temperature accuracy ±1 °C at room temperature; humidity accuracy ±5%.
Specifications
| Model | SN1157 |
| Display | LCD |
| Temperature Range | -50 °C to 70 °C / -58 °F to 158 °F |
| Temperature Accuracy | ±1 °C (at room temperature) |
| Humidity Range | 10% – 99% RH |
| Humidity Accuracy | ±5% |
| Humidity Resolution | 1% |
| Sampling Cycle | ~10 seconds |
| Outer Diameter | 45.2 mm |
| Cutout Diameter | 41 mm |
| Weight | 25 g (with battery) |
| Battery | 1 × AG13 / LR44 (1.5 V DC) |
| Material | Plastic |
| Country of Origin | Made in China |
What's in the Box
- 1 × Mini Round Digital Thermometer / Hygrometer (Model SN1157)
Note: Please allow 1–5 mm measurement tolerances due to manual sizing. Displayed colors may vary slightly depending on your monitor's calibration settings.
Learn More About Proper Food Storage Temperatures
Maintaining the right refrigerator and freezer temperatures helps keep food safe. Learn more from the FDA's guide on refrigerator thermometers and food safety.
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Frequently Asked Questions
Q: What environments can I use this digital thermometer hygrometer in?
A: This mini round thermometer hygrometer is designed for a wide variety of settings, including refrigerators, freezers, saunas, wine cellars, greenhouses, humidors, and general household rooms. Its wide measurement range of -50 °C to 70 °C makes it highly versatile.
Q: How do I install the battery in the SN1157 thermometer hygrometer?
A: Flip the unit to the back and push open the battery cover in the direction indicated by the arrow. Insert one AG13 or LR44 button cell battery (1.5 V DC) into the compartment, replace the cover, and the LCD display will power on immediately.
Q: Can I switch between Celsius and Fahrenheit readings?
A: Yes! There is a small button on the back of the unit that lets you toggle between Celsius (°C) and Fahrenheit (°F) at any time, making it convenient for users worldwide.
Q: How accurate is this digital hygrometer thermometer?
A: The temperature accuracy is ±1 °C at room temperature and the humidity accuracy is ±5%. Please note that like all consumer-grade instruments, small measurement errors are normal — this unit is not intended for laboratory-precision applications.
Q: What is the cutout size required for panel installation?
A: The required panel cutout (opening) diameter is 41 mm. The outer diameter of the unit is 45.2 mm. Please allow a small tolerance of 1–5 mm when measuring your installation hole.
