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Description
GOYOJO Food Nitrate TesterProduct Description Greentest 3F is made to check the nitrate content in fruits, vegetables, meat, fifish and the content of total dissolved solids (TDS value and water hardness) in water. Greentest 3F can not only quickly and accurately detect the safety of more than 60 most common foods, but also the quality of drinking water. The latest version is equipped with a capacitive screen, which is more sensitive to touch. Bluetooth module is added along
Product Description
Greentest 3F is made to check the nitrate content in fruits, vegetables, meat, fifish and the content of total dissolved solids (TDS value and water hardness) in water. Greentest 3F can not only quickly and accurately detect the safety of more than 60 most common foods, but also the quality of drinking water. The latest version is equipped with a capacitive screen, which is more sensitive to touch. Bluetooth module is added along with connection to the mobile APP for data storage and sharing. Timer function is added to help control the cooking time.
Product Features
•Lightweight and compact size.
•Capacitive screen: more sensitive, high-resolution color display and intuitive software interface.
•Fast and accurate results in only 3 seconds, with an error of less than 10%.
•The world's most advanced dual detection probe, small wound, higher accuracy (full series upgrade).
•The radiation detector, Geiger-Müller tube, allows the device to perform accuratemeasurement.
•Long battery life, USB rechargeable lithium ion 720mAh battery can provide up to 20 hours of use time.
•Friendly after-sales service, warranty.
•APP connection to specialized Android/IOS APP.
•Timer function.
•Capacitive screen: more sensitive, high-resolution color display and intuitive software interface.
•Fast and accurate results in only 3 seconds, with an error of less than 10%.
•The world's most advanced dual detection probe, small wound, higher accuracy (full series upgrade).
•The radiation detector, Geiger-Müller tube, allows the device to perform accuratemeasurement.
•Long battery life, USB rechargeable lithium ion 720mAh battery can provide up to 20 hours of use time.
•Friendly after-sales service, warranty.
•APP connection to specialized Android/IOS APP.
•Timer function.
Specification
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Nitrate measurement range
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0 - 9999 mg / kg
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TDS measurement range
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0 - 999 ppm
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Measurement error
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< 10%
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Dimensions
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122 52 x 14 mm
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Weight
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85 grams
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TFT color display resolution
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320 x 240
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Power
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720 mah lithium battery
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extra power supply
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USB power supply charger
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USB charging current
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310 horses
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voltage range
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5 v
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Use time
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20 hours (use the fully charged 720 mAh lithium battery in the default device settings)
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Operating temperature
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0 - 60 °
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 6 reviews
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Product Reviews
★★★★★ 5
Moisturizing, effective, pleasantly scented sunscreen
Style: Kids SPF 50, Size: 3 Fl Oz (Pack of 1), Style: Kids SPF 50, Size: 3 Fl Oz (Pack of 1)
This is the go-to sunscreen our whole family has been using for years. It feels moisturizing (but not greasy) and is easy to rub in to avoid any kind of chalky, white residue. The scent is subtle and pleasant, not the strong pronounced sunscreen smell that a lot of others have. Best of all, it is effective! The bottle received is different than the one pictured on Amazon, but we’re not buying it for the bottle, so that’s okay. :) Would recommend.
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Reviewed in the United States on July 27, 2022
★★★★★ 5
Wonderful
Style: Kids SPF 50, Size: 3 Fl Oz (Pack of 1)
I love it! My daughters have very delicate skin and this product works wonders.
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Reviewed in the United States on October 27, 2025
★★★★★ 5
I hate sunscreens, but...
Style: Kids SPF 50, Size: 3 Fl Oz (Pack of 1)
I hate sunscreen in general--for it's texture and smell. But, being the palest family on Earth makes it a daily necessity. I was pleasantly surprised to actually like the smell of this product! It's a light fruity fragrance. It has a smooth texture like lotion and glided on my skin without being too thick or greasy and no white marks. A little goes a long way too! I could hardly believe I was putting on sunscreen and not regular body lotion. My kids had no issue with it either! They let me put this stuff on their little faces without complaint since it goes on so smoothly. Most importantly, this product did it's job and we were sunburn free. The tube is small--4 ounces--but I don't care because it's so worth having something that goes on easy and doesn't make us greasy and stinky. I bought several tubes--one for each member of the family.
*If this review was helpful, please click 'yes' below. Thanks!*
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Reviewed in the United States on June 14, 2018
★★★★★ 4
It’s ok
Style: Kids SPF 50, Size: 3 Fl Oz (Pack of 1)
Doesn’t smell like anything, especially not fruit. Seems to work well- it’s what we use on our faces. I started using this all over on my daughter because their spray version is not good.
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Reviewed in the United States on April 24, 2019
★★★★★ 5
Overall this is a very good product
Style: Kids SPF 50, Size: 3 Fl Oz (Pack of 1)
I bought this because every sunblock I own eventually gets in my eyes and burns the living daylights out of them. I prefer to use something that isn't laden with chemicals, is cruelty free and reef safe so this looked like it would fit the bill and indeed, it does.
It is a true "no tears" formula which I very much appreciate. As with so many zinc based sunblocks there's still a slight "Kabuki mask" effect but it isn't as bad as some of the other zinc products. I wouldn't go so far as to say it's easy to spread because it doesn't have a lot of "slip", doesn't glide like the non-zinc products. You do have to work with it for awhile to get rid of the decidedly chalky consistency but once you get going it seems to be okay. I think somebody else mentioned using a moisturizer before you put it on which seems like good idea even though this is supposed to be moisturizing.
Would I purchase this again? I'm pretty sure I will because the "no tears" aspect of the product is important to me. I'll probably use it with a light carrier oil on my face first, let that oil sink in and then put this on top. I'll keep you posted on how that works out.
Thank you, Alba Botanica, for being cruelty free and reef safe!
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Reviewed in the United States on August 22, 2020