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- USA
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Ships within 48 hours · Estimated delivery Jul 9 - Jul 14
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For Your Every Summer RSVP, with Code: SUMMER15
Description
HM Digital™ pH/TDS/EC/Temp Meter Model COM-300The COM 300 is an advanced waterproof combo meter with superior accuracy. The meter measures four parameters: pH, electrical conductivity (EC), total dissolved solids (TDS) and temperature. Features include 2 different conductivity conversion factors to convert EC to TDS using the 0. 5 (NaCl) or 0. 7 (442TM), as well as selectable modes for measurements in the S, mS and ppm scales. The meter incorporates automatic temperature compensation (ATC) to
The COM-300 is an advanced waterproof combo meter with superior accuracy. The meter measures four parameters: pH, electrical conductivity (EC), total dissolved solids (TDS) and temperature. Features include 2 different conductivity conversion factors to convert EC to TDS using the 0.5 (NaCl) or 0.7 (442TM), as well as selectable modes for measurements in the µS, mS and ppm scales. The meter incorporates automatic temperature compensation (ATC) to accommodate for discrepancies in temperature that would naturally occur and also features digital calibration for easy and precise calibration that will yield better results.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
4.7 ★★★★★
Based on 1187 reviews
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Product Reviews
★★★★★ 5
Very pleased with this item.
Color: White, Size: Large
Sturdier material than I expected, but still cool and comfortable. Excellent fit. Not baggy at all. Just a comfortable, relaxed fit.
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Reviewed in the United States on August 19, 2025
★★★★★ 5
Mens outfit
Color: Khaki, Size: XX-Large
My husband really likes them
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Reviewed in the United States on May 4, 2026
★★★★★ 4
Great for hot weather.
Color: White, Size: X-Large
It was good purchase. Nice and thin for the temperatures we were in.
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Reviewed in the United States on July 5, 2025
★★★★★ 5
Best last minute….
Color: White, Size: Medium
Well made, for the money
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Reviewed in the United States on April 26, 2026
★★★★★ 5
Very Comfortable and light Material
Color: White, Size: Large, Color: White, Size: Large
Bought this outfit for our Cruise for White Hot Night.
Light, comfortable and so very stylish. Fabric is on the light side so recommend a neutral undergarment.
Pants are a little on the loose side, shirt is true to size. Will really shrink a whole size if put in dryer.
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Reviewed in the United States on August 12, 2025