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Accurate Temperature Humidity Detector Calibration: Ensuring High Quality Review

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Poor

Revainrating 2 out of 5  
Rating 
2.0
🌬️ Airflow & Air Quality, 🔍 Test, Measure & Inspect

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Description of Accurate Temperature Humidity Detector Calibration: Ensuring High Quality

REAL-TIME MONITORING:This carbon dioxide detector can accurately monitor CO2 concentration, air quality, environmental humidity, and temperature in real-time. The indoor air quality meter is embedded with a high-performance chip with a precision infrared sensor. Indoor air quality can be monitored anytime and anywhere. EXQUISITE APPEARANCE:This co2 monitor is simple in design, light in weight, easy to carry, 3.9-inch LED display, and is elegant. The simple design is suitable for any style of decoration. The graffiti emoticon package can intuitively display the current air condition. CALIBRATION AVAIABLE: NDIR CO2 sensor supports easy calibration. Long press the AB button on the back for 200 seconds, the product will complete the automatic calibration, and the data will return to the initial setting value. To ensure the accuracy of the sensor, please be sure to place it in a ventilated environment (indoor or outdoor) before the first use or after long-term storage At least 6 hours. DIFFERENT USAGE SCENARIOS: ​The portable smart carbon dioxide detector can help us detect the carbon dioxide content in the living room, kitchen, bedroom, office, school, car, hotel, travel, camping, party, etc. It is especially suitable for pregnant women, the elderly, and children. WHAT DO YOU GET:PTH-5 CO2 detector*1 ;English user manual*1; USB data cable* 1. If you have any problems with the goods you received, please contact our support team as soon as possible. We will serve you wholeheartedly.

Reviews

Global ratings 3
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Type of review

Revainrating 1 out of 5

Extremely inaccurate

The monitor displays 500 when switched on, regardless of the CO2 level in the environment. Leaving it in the same place but turning it on and off gives new readings that can vary by 200-500ppm. The outdoor reading was 500, which should have been 400-425. Temperature and humidity are normal. All in all, this device was a random number generator, so I returned it. I had high hopes for this beautifully built device but it is useless for CO2 monitoring. Note. I have professional experience in…

Pros
  • WHAT YOU GET: CO2 detector PTH-5*1; English user manual*1; USB data cable* 1. If you have any problems with the item you received, please contact our customer service as soon as possible. We will serve you wholeheartedly.
Cons
  • Doubtful purchase for the elderly

Revainrating 4 out of 5

Suitable for testing HCHO

If you're only interested in the HCHO level, this should be enough for you. I have used it in different environments and in different conditions it has worked well for me. At the moment it is worth 5 stars. If you want to check temperature and humidity, it is not accurate with more than 5% errors. His TVOC scale never changed under different conditions - guessing it won't work. But since I only looked at HCHO, which shows well, the errors of the other tests are negligible. That's why I give 4…

Pros
  • EXCELLENT APPEARANCE: This CO2 monitor is simple in structure, lightweight, easy to carry, equipped with 3.9 inch LED display, and elegant. The simple design suits every furnishing style. The graffiti emoticon pack can display the current state of the air intuitively.
Cons
  • Obsolete

Revainrating 1 out of 5

UPDATE: Calibration not possible and target value has shifted.

UPDATE: After a few weeks of use and a very informative calibration, the calibration has changed, with outside readings around the 860 (instead of the 405-430 I got when it was new). Since I can't start the calibration mode after following the instructions, I can't fix it. It was fun while it lasted, but I encourage you to buy another one. ALT: Looks like it works by going from room to room and outside. But I can't enter the calibration mode I want to use. The instructions say to press the a…

Pros
  • CALIBRATION AVAILABLE: The NDIR CO2 sensor supports easy calibration. Press and hold the AB button on the back for 200 seconds, the product will complete auto calibration and the data will return to the original setting value. To ensure the accuracy of the sensor, be sure to place it in a ventilated place (indoor or outdoor) before first use or after long-term storage of at least 6 hours.
Cons
  • Expensive