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AcuRite Monitor for Greenhouse, Home or Office(3 x 2.5 Inches) Room Thermometer Gauge with Temperature Humidity, Digital Hygrometer Indoor

4.6 out of 5 stars 3,874 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Indoor Thermometers by AcuRite

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Hygrometer

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  • Air Comfort Indicator (Indicates Low, Ok, or High Humidity)
  • Enhanced Accuracy – Detects changes in temperature and humidity every 10 seconds
  • -4° to 158°F; -20° to 70°F Degree Range with +/- 0. 5°F Accuracy
  • 1% to 99% RH Range with +/- 2% RH Accuracy
  • Responsive Readings – Indicates current air conditions to ensure proper humidity control
  • Area-Specific Monitoring – Calibrate the sensor to each room or environment of your house or office for the most-accurate data
  • American Based Company in Lake Geneva, WI, USA
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Frequently bought together

  • AcuRite Monitor for Greenhouse, Home or Office(3 x 2.5 Inches) Room Thermometer Gauge with Temperature Humidity, Digital Hygrometer Indoor
  • +
  • ThermoPro TP50 Digital Hygrometer Indoor Thermometer Room Thermometer and Humidity Gauge with Temperature Humidity Monitor
  • +
  • ThermoPro TP55 Digital Hygrometer Indoor Thermometer Humidity Gauge with Jumbo Touchscreen and Backlight Temperature Humidity Monitor
Total price: $40.97
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From the manufacturer

humidity sensor temperature sensor and humidity sensor temperature and humidity sensor
AcuRite 00613A1 Indoor Humidity Monitor AcuRite 01083M Pro Accuracy Temperature & Humidity Monitor AcuRite 01080M Pro Accuracy Temperature & Humidity Monitor with Alarms
Temperature Range 32° to 122° F; 0° to 50°C -4° to 158°F; -20° to 70°F -4° to 158°F; -20° to 70°C
Temperature Accuracy +/- 2°F +/- 0.5°F +/- 0.5°F
Humidity Range 16% to 98% RH 1% to 99% RH 1% to 99% RH
Humidity Accuracy +/- 3%, from 21% to 80% RH +/- 2% RH +/- 2% RH
Frequency of Readings 15 seconds 10 seconds 10 seconds
High/Low Records 24 hours 24 hours, all-time 24 hours, all-time
User-Set Calibration -
High/Low Humidity Alarm - -
Mounting Options Fold-out table stand, mounting clip, magnetic back Tabletop design, wall hanging hole, magnetic back Table stand, wall hanging hole, magnetic back
Dimensions 3" H x 2.5" W x 1.3" D 3" H x 2.5" W x 0.9" D 4" H x 3.75" W x 1.25" D

Product description

Style Name:Hygrometer

Master your humidity levels with the AcuRite Pro Indoor Hygrometer and Thermometer. This small humidity gauge is ready for plants, cigars, guitars, or whatever you need to protect. It has a magnet on the back for easy placement. This indoor thermometer and humidity monitor combo is everything you need with accuracy up to 0. 5% for temperature and % for relative humidity. It’s not just accurate. It’s AcuRite.

Product information

Style Name:Hygrometer

Warranty & Support

Product Warranty: For warranty information about this product, please click here. [PDF ]

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4.6 out of 5 stars
4.6 out of 5
3,874 global ratings
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Top reviews from the United States

Reviewed in the United States on December 9, 2016
Style Name: HygrometerVerified Purchase
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5.0 out of 5 stars Best in class – here’s why
By PhotoGraphics on December 9, 2016
[NOTE] At the time this review was written, this device had only been for sale since December 2016 and reviews for 3 completely different models were all mixed up together. So to be clear, this review refers ONLY to the AcuRite Pro model [[ASIN:B01HDW58GS AcuRite 01083M Pro Accuracy Temperature & Humidity Monitor]]

LIKES

1. Small physical size but large easy to read primary displays
2. Well-designed hole for hanging plus 2 strong magnets. NO fold-out easel stand but wide flat base allows it to stand up pretty well
3. Setup controls are not too complicated
4. Smaller digital readout of temperature and humidity history. The temperature one is for the past 24 hours, the humidity one can be switched from past 24 hours or lifetime (until the battery is replaced at which time it resets).
5. Comfort zone scale is somewhat useful and easy to understand

NOT SO GREAT

The largest display is humidity and the smaller one is temperature. Some people, including me, would prefer to have them reversed. It would cost nothing for them to make this a setup option, it makes no sense why the designers didn't realize that

Note that there is no clock function whether visible or not. That means that you can't choose when the 24 hour cycle begins/ends for recording daily highs and lows. For example if you insert the batteries at 3:48 PM that's when the 24 hour recording cycle will begin. You can trick the design by waiting until midnight to insert the batteries if you want to know the history for a true 24 hour cycle

This is a simple temperature/humidity reader, there are no clocks, remote sensors, alerts, alarms or anything else. For my purpose of monitoring the room temperature and "comfort" level of humidity in my bedroom none of those mattered, I bought this because it was exactly what I need.

ACCURACY

A thermometer is worthless if it's not accurate. Unfortunately the vast majority of thermometers being made these days are pure junk, sometimes nowhere even close to being accurate. And humidity meters can be even worse. This one out of the box was within reasonable tolerance if you're not picky but it did read a couple of degrees high for both temperature and humidity. That would be something you'd have to live with for most products in this price range but the good news is that with this model you can fine tune both the temperature and humidity readouts by calibrating them using a known accurate device. Once calibrated the AcuRite Pro was dead on after that, at least until the batteries had to be replaced.
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468 people found this helpful
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Reviewed in the United States on January 21, 2017
Style Name: HygrometerVerified Purchase
247 people found this helpful
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Reviewed in the United States on August 29, 2017
Style Name: HygrometerVerified Purchase
179 people found this helpful
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Reviewed in the United States on November 13, 2018
Style Name: HygrometerVerified Purchase
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1.0 out of 5 stars Measures temperature okay, but inaccurate humidity levels
By BigDaddy on November 13, 2018
All of the units in the picture are Acurite devices. I purchased the white ones first, but they never really agreed with my humidistat. Then I ordered the black units for other areas of the house. I left them out overnight and, as you can see, they are in wild disagreement with one another. I threw out the boxes so I guess I am stuck with them. Seems like they measure temperature okay, but I want to measure humidity. Also, the high/low is supposed to rest even 12 hours, but as near as I can tell they never reset. I think the second one from the last must still have data from shipping since it is never that extreme in my kitchen!
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84 people found this helpful
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Reviewed in the United States on October 5, 2019
Style Name: HygrometerVerified Purchase
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5.0 out of 5 stars An Excellent Hygrometer for this Price: Here's How to Calibrate It
By Bill D. on October 5, 2019
I worked for the National Weather Service and the US Navy. Accurate hygrometers are expensive. Most cheap hygrometers are inaccurate and cannot be calibrated. This one is an exception. I liked it enough to purchase a second unit. But be aware that, like all hygrometers, it needs to be re-calibrated every couple of years.

Calibration, using nothing more than salt, water, and a clear, enclosed container (75% humidity) is easy. You can find info online describing details of the procedure. I use more water and salt than most sources recommend---as long it has the consistency of wet sand. I suggest waiting at least 12 hrs for the humidity in the bag or chamber to stabilize at 75%. Calibration of the thermometer is more challenging unless you have a laboratory grade, liquid-in-glass thermometer (most consumer thermometers--digital or otherwise--are unreliable).
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Top reviews from other countries

sandra
3.0 out of 5 stars Needs to be manually calibrated upon arrival
Reviewed in Canada on November 19, 2019
Style Name: HygrometerVerified Purchase
13 people found this helpful
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Johnork L. Hillic
2.0 out of 5 stars Numbers are not accurate.
Reviewed in Canada on March 19, 2021
Style Name: HygrometerVerified Purchase
Top Coffee Bender
5.0 out of 5 stars Works as advertised but needs calibration
Reviewed in Canada on April 2, 2021
Style Name: HygrometerVerified Purchase
Brenda B.
3.0 out of 5 stars No se ve original, mal empaque no te da seguridad
Reviewed in Mexico on March 17, 2021
Style Name: HygrometerVerified Purchase
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3.0 out of 5 stars No se ve original, mal empaque no te da seguridad
Reviewed in Mexico on March 17, 2021
No me gusto mucho no se ve original ya que la caja es diferente al producto, no viene ningún instructivo ya que la precisión no está en la correcta para saber cómo corregirla; funciona hasta ahorita veremos que tanto dura 🤨
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Miram
5.0 out of 5 stars Good quality
Reviewed in Canada on March 28, 2021
Style Name: HygrometerVerified Purchase
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