adigriga
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adigriga 14/11/2021
The main CO2 measurement is responding not only to CO2. I've opened a canned fish on the same table with the detector and, in a short time, the CO2 indicator jumped from 700 to 2300. The HCHO and TVOC numbers seem to be derived directly from the CO2 readings only. I think it is using one single general air quality detection device, which is sensitive to everything. At least when you move the detector from inside to outside, it indicates a lower CO2, HCHO and TVOC concentration. The bar-style display at the bottom is a good general indicator of air quality. For the low price, it's still useful and worth having. Easy to read display.
Testador portátil de CO2 5 em 1 Monitor de qualidade do ar Sensor de temperatura e umidade inteligente Testador de dióxido de carbono Monitor HCHO TVOC Detecção de formaldeído
US$45.14 US$46.99
4
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adigriga I've tested it with the gas from the gas cooker. Before releasing the gas it indicated 412 for CO2. 5 seconds after releasing gas, it started to grow and stopped only at 6000. So is a good natural gas detector not only CO2.

adigriga 14/11/2021
The main CO2 measurement is responding not only to CO2. I've opened a canned fish on the same table with the detector and, in a short time, the CO2 indicator jumped from 700 to 2300. The HCHO and TVOC numbers seem to be derived directly from the CO2 readings only. I think it is using one single general air quality detection device, which is sensitive to everything. At least when you move the detector from inside to outside, it indicates a lower CO2, HCHO and TVOC concentration. The bar-style display at the bottom is a good general indicator of air quality. For the low price, it's still useful and worth having. Easy to read display.
Testador portátil de CO2 5 em 1 Monitor de qualidade do ar Sensor de temperatura e umidade inteligente Testador de dióxido de carbono Monitor HCHO TVOC Detecção de formaldeído
US$45.14 US$46.99
4
Comentários (1)
Teclast F6 Plus Tela sensível ao toque de 360 graus de 13,3 polegadas Intel N4100 Quatro Core 8GB 256GB 38Wh Notebook completo com recursos Type-C
US$429.99 US$608.99

Q: Is it possible to change Chrome from the Chinese language to English? Doesn't work by reinstalling English.

perguntado por adigriga sobre 2021-01-10 12:41:02

BG521617324 Yes, it is.

2021-11-11 01:54:37 Útil (0)
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respostas (4)
50mm Blue Glow In Dark Stone Luminous Pearl Quartz Crystal Sphere Ball Night Pearl
US$10.34 US$11.99

Q: How long does the luminous effect keep?

perguntado por adigriga sobre 2018-11-14 06:20:27

A773034 ممتاز جدا

2020-06-26 12:28:05 Útil (0)
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respostas (1)
adigriga 02/08/2018
I am very pleased with this product.
DTAPE D3 Laser Digital 40m 60m 80m 100m Telêmetro Medidor de Distância Medição Única Contínua Área/Volume/Pitágoras
US$27.49 US$29.99
0
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adigriga 03/06/2018
I'm very satisfied with this product. The added 100 mm cable it's a real improvement.
Testadores digitais USB UNI-T UT658B. Faixa de tensão de entrada testável e estável de 3V a 9.0V com LCD.
US$16.16 US$16.99
0
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adigriga 23/04/2018
Good quality item. Easy to use. Keeps the phone secure. Is like I expected to be.
Suporte de telefone para bicicleta ANTUSI com rotação de 360° e suporte universal de aço inoxidável 304 para iPhone
US$6.93 US$15.75
0
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