SMARTRO SC42 Professional Digital Indoor Thermohygrometer, Black
SMARTRO SC42 Professional Digital Indoor Thermohygrometer, Black
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SMARTRO SC42 Professional Digital Indoor Thermohygrometer, Black

|10 ratings

Key item features

  • Precise Monitoring: Equipped with built-in Swiss sensors, this thermohygrometer provides industrial-grade accuracy with temperature tolerance within 0.5°F and humidity within 2% RH, updating readings every 10 seconds.
  • Clear Display: Features a 3.5'' HD LCD screen with a touch-activated backlight for visibility in low light, alongside reliable operating buttons for manual settings and Fahrenheit/Celsius switching.
  • Historical Records: Displays 24-hour and all-time maximum and minimum temperature and humidity records, including a comfort indicator to help maintain an optimal atmosphere.
  • Versatile Placement: Offers multiple mounting options including a retractable stand, two powerful magnets, and a wall mount hole, suitable for various environments like nurseries, offices, and greenhouses.
  • Custom Calibration: Supports manual calibration to enhance data accuracy based on placement or environmental factors, with certification from the Aerospace Institute for Metrology and Measurement Technology.
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Specs

Thermohygrometer type, Indoor ThermohygrometerHumidity range, 1 to 99% RHDisplay, LCDFeatures, Digital Display, Backlight, PoweredBrand, SMARTRORec. use, Indoor, Office

About this item

Product details

With an accuracy of +/-0.5°F on temperature and +/-2% on humidity, the SMARTRO SC42 Indoor Thermometer ensures accurate measurements to keep you informed about the temperature and humidity in your living space. The SC42 is not just an indoor temperature gauge; it's a versatile tool that provides you with essential information for optimal comfort. Whether you want to monitor the temperature and humidity condition in your bedroom, living room, or any other room, this thermometer delivers accurate results you can trust and helps you create a comfortable and healthy environment. With its user-friendly design, the SC42 is easy to use and read. The clear and intuitive display provides you with instant access to temperature and humidity readings, ensuring hassle-free monitoring. Get yours today and take control of your comfort! Specifications: Switchable mode : °C/°F Temperature Tolerance: ±0.5°F Humidity Tolerance: ±2%RH Temperature Range: -4~158°F ( -20~70°C) Humidity Range: 1~99%RH(relative humidity) Power Supply: 2*1.5v batteries (not included)

Industrial Grade Accuracy: Equipped with built in Swiss sensors, this humidity gauge detects subtle changes in humidity and temperature, updating readings every 10 seconds. Temperature tolerance is within ±0.5℉ (4 to 158℉) and humidity is ±2% RH (1 to 99% RH). Precalibrated for precise measurements

  • Easy to Read Backlit Display: Features a 3.5'' HD LCD screen with a touch activated backlight for clear visibility in low light conditions. Includes reliable operating buttons for manual settings and °F/°C switching
  • 24 Hours/All time Max & Min Records: Displays high and low records for the past 24 hours and all time. Instantly measures indoor conditions and changes in temperature and humidity. Comfort Indicator helps maintain a comfortable atmosphere
  • Wide Applications & More Mounting Options: Comes with a retractable stand, two powerful magnets, and a wall mount hole for versatile placement. Ideal for use in baby’s rooms, nurseries, offices, closets, incubators, greenhouses, gardens, wine cellars, and more
  • Calibration Supported: Allows for manual calibration to enhance data accuracy based on product placement or environmental factors. Calibration certification from Aerospace Institute for Metrology and Measurement Technology. Powered by 2x 1.5v AAA batteries (not included)

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Specifications

Thermohygrometer type

Indoor Thermohygrometer

Humidity range

1 to 99% RH

Display

LCD

Features

Digital Display, Backlight, Powered

Warranty

Warranty information

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Customer ratings & reviews

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Showing 1-3 of 7 reviews

Oct 12, 2026
Reviewer name: gamuranes
Sold and shipped byTYD
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Very accurate

Very accurate. I used it in combinatation with other hydrometers to correct my Honeywell thermostat humidity settings which was off by 5.

Helpful?750MXZXEXEO12404028120
Jul 27, 2026
Reviewer name: anonymous
Top Reviewer
Sold and shipped byTYD
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Very clear and large screen.

So far, so good! It has a very large, easy to read screen and it reads my humidity fairly accurate. I like it for the display to see things clearly.

Helpful?750MXZXEXEO12404028120
May 18, 2026
Reviewer name: Dianne
Top Reviewer
Sold and shipped byTYD
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Very helpful in rooms that just do not keep cool.👏👏👏👏

Helpful?750MXZXEXEO12404028120
Current price is $18.99
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Sold and shipped by TYD
5 out of 5 stars
5 stars out of 5, based on 15 seller reviews(5.0)
Extended holiday returns
Free Holiday returns until Jan 31