RTR-576 CO2 Concentration, Temperature, Humidity Recorder

RTR-576 CO2 Concentration, Temperature, Humidity Recorder

Marsoni

M251S

$336.21

Get it in 3 business days with 1 day shipping. Friday, May 29

RTR-576 CO2 Concentration, Temperature, Humidity RecorderRTR 576 576 H: For CO2 Concentration, Temperature and Humidity Measurement The RTR 576 includes an internal CO2 sensor and an external temperature humidity sensor. The RTR 576 H has the same CO2 sensor, but comes with a high precision temperature humidity sensor for a wider measurement range: 30 to 80C and 0 to 99%RH. The rated accuracy for CO2 measurements is up to 5,000 ppm and the display range is up to 9,999 ppm. * The Data Loggers in our RTR 500

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
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I recently purchased these black shelf brackets for my home office, and they have been a game-changer! The quality is outstanding, and they provided the sturdiness I needed for my shelves. I was able to create beautiful shelves effortlessly by pairing these brackets with 8" wide pine boards. These brackets are incredibly well-made and durable. They held the weight of my books, files, and office supplies with ease, without any signs of bending or sagging. I feel confident that my items are secure and won't come crashing down. Installation was a breeze. The brackets came with all the necessary hardware, and the instructions were clear and straightforward. Within minutes, I had my shelves up and ready to use. This is my second pack of these brackets, and I couldn't be happier with my purchase. They are versatile, allowing me to create customized shelves that perfectly match my office decor. The sleek black finish adds a touch of elegance to the overall look. If you're looking for high-quality and sturdy shelf brackets, I highly recommend these. They have exceeded my expectations, and I am delighted with the results. Don't hesitate to give them a try for your shelving projects!

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Reviewed in the United States on June 1, 2023

Verified Purchase

Charlottesville, US

★★★★★ 5

Good deal and good quality!

Style: Black 10 Pack, Size: 9.25 inch

Sturdy and as advertised. Just like you’d get at big box store but much better price!

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Reviewed in the United States on May 16, 2026

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Obo Nosyal

Battle Creek, US

★★★★★ 5

Sturdy

Style: Black 4 Pack, Size: 5.5 inch, Style: Black 4 Pack, Size: 5.5 inch

Brackets worked great. Very sturdy. Used them to fabricate a bath shelf and towel rack.

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Reviewed in the United States on April 20, 2026

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Andrew Heidrich

Belleville, US

★★★★★ 5

The screws are the best part

Style: Black 6 Pack, Size: 11.25 inch, Style: Black 6 Pack, Size: 11.25 inch

OK. So I spend a lot on (and I mean A LOT) on Amazon and I never write reviews. Just not my thing. But I had to write a review for this product. These brackets are fantastic - attractive, sturdy. But what threw me was the screws - they are SUCH high quality. They don't strip or lose their black color at all even when your drill, set to 0 slip, loses grip repeatedly because you drilled the pilot hole too small and are throwing every ounce of your body weight against it to get it to drive. And they give you extra! Like, enough to mount 8.5 brackets in a 6-bracket box. I am saving alllllll of these extra screws; if I could buy them separate I would. It might seem like a small thing but hardware is usually a place companies skimp on HARD, and to be confronted with such quality was truly a breath of fresh air. The brackets take some mounting expertise to ensure everything is true - lots of measuring and leveling (some minor differences in angle + or - a couple degrees, but they're SOLID. I will be buying these again in the future. Kudos for an awesome product.

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Reviewed in the United States on August 20, 2024

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Amazon Customer

Massapequa, US

★★★★★ 5

Sturdy

Style: Black 6 Pack, Size: 5.5 inch

I put them up and forgot about them. Worked perfect, look great.

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Reviewed in the United States on May 23, 2026