SMARTRO SC42 Professional Digital Hygrometer Indoor Thermometer Room Humidity Gauge & Pro Accuracy Calibration

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• The Best Industrial Grade AccuracyHumidity gauge with built-in Swiss sensors, it detects subtle humidity and temperature changes and updates readings in each 10 seconds. Temperature tolerance is within 0.5H(-4 to 158H) and humidity is 2%RH (1 to 99% RH). The digital hygrometer is pre-calibrated for accurate temperature and humidity measurement.
• Large Easy-to-Read Backlit DisplayTemperature and humidity monitor with 3.5'' large HD LCD screen. A simple touch on the top to turn on backlit. Clear and power-saving, reading more easily under weak backlit. Reliable operating buttons on the back for manual setting or F/C switching.
• 24 Hours/All-time Max & Min RecordsThe room thermometer displays high and low records for the past 24 hours and All-time; Indoor thermometer measure conditions and identify changes in temperature and humidity instantly. Comfort Indicator ensures proper humidity control, helping you to maintain a comfortable atmosphere in your home.
• Wide Applications & More Mounting OptionsWith a retractable stand, two powerful magnets and a wall-mount hole, this digital thermometer indoor can be easily attached to your refrigerator, wall or placed on a table. Suitable for babys room, nursery, office, closet, incubator, greenhouse, garden, wine cellar, basement critter terrarium etc.
• Calibration SupportedThe monitor can be manually calibrated to improve data readings when product placement or environmental factors impact your data accuracy. Calibration certification from Aerospace Institute for Metrology and Measurement Technology. Powered by 2x 1.5v AAA batteries (not included).