Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 7 - Jul 12
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Description
HM Digital TDS-3 TDS MeterHold Function saves measurements for convenient recording Auto Off Function to conserve battery life (After 10 Minutes) Built in digital thermometer Factory Calibrated with a 342 ppm NaCl solution With its rugged design and build, the TDS 3 is an ideal meter that can be used for any application; Ranging from water purification, to hydroponics to industrial waste water treatment. It comes with a black vinyl carrying case, protecting it when carried in
- Hold Function saves measurements for convenient recording
- Auto Off Function to conserve battery life (After 10 Minutes)
- Built-in digital thermometer
- Factory Calibrated with a 342 ppm NaCl solution
With its rugged design and build, the TDS-3 is an ideal meter that can be used for any application; Ranging from water purification, to hydroponics to industrial waste water treatment. It comes with a black vinyl carrying case, protecting it when carried in a toolbox.
Improved ease of use is achieved with automatic temperature compensation and a digital calibration feature at the push of a button.
Applications
-
Hydroponics
-
Potable water
-
Aquariums and Reef tanks
-
Reverse Osmosis
-
Water Treatment
-
Horticulture
- Power – 2 x 1.5V button cell batteries
- Dimensions mm – H 155 x W 31 x D 23
- Weight g – 77
- Operating Temperature °C – 0 – 80
- Temperature Accuracy – +/- 2%
- Temperature Resolution °C – 0.1
- TDS Range ppm – 0 – 9,990
- TDS Accuracy – +/- 2%
- TDS Resolution ppm – 1 (0-999) 10 (1,000 – 9,990)
- Conversion Factor – NaCl (avg. 0.5)
- Automatic Temperature Compensation – Yes
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
4.2 ★★★★★
Based on 305 reviews
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Product Reviews
★★★★★ 5
ipad cover
Color: Rose
love it. light but durable. like how it can be hinged from either side horizontally. no can do vertically. great bargain and colorful, got pink, the stylus holders perfect
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026
★★★★★ 5
The magnet does not stick to the refrigerator as advertised.. UPDATE ( I love it and it does stick)
Color: Pink
Although it is a nice case, it seems sturdy and it is very beautiful, my main reason for purchasewas I loved the fact that it sticked to the refrigerator. I was very disappointed to see that it does not. It’s too heavy, and it immediately begins to slide. That is the reason why I could not give it more than three stars. It disappointed me enough to where I’m really considering returning the item.
UPDATE: I found out how to make a stick to the refrigerator and I absolutely love it! I changed my review and my stars! I’m really happy.
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Reviewed in the United States on April 11, 2026
★★★★★ 4
Great Protection, Great Fit — One Small Flaw
Color: Forest Green
I really love this case. It protects the iPad well, fits perfectly, and is still easy to put on and take off. The pencil holder is especially nice — it keeps the Pencil secure without feeling loose or flimsy.
My only complaint is that some USB‑A to USB‑C adapters don’t have enough clearance to plug in. The edge of the case blocks certain adapters from seating properly. It’s the only issue I’ve run into, but it’s worth mentioning if you rely on chunkier adapters.
Aside from that, this is an excellent case and one I’m happy to use every day.
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Reviewed in the United States on April 9, 2026
★★★★★ 5
Ipad case
Color: Black
It is very well made! Sturdy and easy to use. Has a great stand to watch videos and such. Perfect fit for my IPad. Easy to install.
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Reviewed in the United States on May 3, 2026
★★★★★ 5
FANTASTIC IPAD CASE
Color: Banana
This case is so sturdy and stays in place. The color is bright and vibrant and very easy to clean. Highly recommend!
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Reviewed in the United States on May 28, 2026
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