HM Digital Hydromaster Portable - pH/TDS/EC/Temp
SKU: 57629470442

HM Digital Hydromaster Portable - pH/TDS/EC/Temp

$101.67 $112.97
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Ships within 48 hours Β· Estimated delivery Jul 5 - Jul 10

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Description

HM Digital Hydromaster Portable - pH/TDS/EC/TempThe HM 200 is a versatile portable pH EC TDS Temp monitor ideal for all water quality testing, hydroponics, water purification applications, wastewater regulation, aquaculture, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment and more. Features: Measures Potential Hydrogen (pH), Electrical Conductivity (EC), Total Dissolved Solids (TDS), Salinity and Temperature Five scales: pH, S,

The HM-200 is a versatile portable pH/EC/TDS/Temp monitor ideal for all water quality testing, hydroponics, water purification applications, wastewater regulation, aquaculture, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment and more.

Features:

  • Measures Potential Hydrogen (pH), Electrical Conductivity (EC), Total Dissolved Solids (TDS), Salinity and Temperature

  • Five scales: pH, Β΅S, mS, ppm 0.5 (NaCl) Scale & 0.7 (442β„’) Scale

  • Automatic Temperature Compensation (ATC) using three temperature coefficients

  • Digital Calibration (push button) to any point within the meter’s range

  • Auto-off function, data-hold function and low-battery indicator

  • Large and easy-to-read LCD Screen

  • Displays 3 parameters (pH/EC or TDS/Temp) simultaneously.

  • Replaceable Sensors (model SP-C2 for Conductivity, SP-P5 for pH)

  • Factory Calibrated (pH/EC/TDS)

  • Includes protective rubber boot, 2 (AA) alkaline batteries, pH 4 & 7 calibration solutions, pH storage solution

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 57629470442

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4.8 β˜…β˜…β˜…β˜…β˜…
Based on 1276 reviews
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Vera's Voice
West Palm Beach, US
β˜…β˜…β˜…β˜…β˜… 4
Fine choice for smaller dogs
Color: Green-M
A good choice for smaller dogs. My mini poodle enjoys flipping this around and playing tug of war with her humans. She cannot be left with it for any unsupervised play, because she was able to begin shredding one of the straps in a matter of a few minutes. The included pump works great.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 2, 2026
C
Verified Purchase
Chrystal Collins
San Leandro, US
β˜…β˜…β˜…β˜…β˜… 5
Toeless wonders. Love em!
Color: Classic Color
Not gonna lie. These are a God sent when you have an issue with your toes. I hate my toes feeling constricted so these are phenomenal! Comfortable and well worth the money. I also like my socks thin. If you wear boots or hightops, these might not be what your looking for. I do adore the different shades and you can wear them one way or the other as one side is longer. If worn one way, they are higher up the ankle and vice versa.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 27, 2025
T
Verified Purchase
Tony Valencia
Boise, US
β˜…β˜…β˜…β˜…β˜… 5
Sheet protectors
Color: Retro Color
Love these at night when I put lotion or Vaseline on my heels to protect my sheets from oil stains. Would Buy again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 31, 2026
S
Verified Purchase
Sharyn G.
Carnegie, US
β˜…β˜…β˜…β˜…β˜… 5
no toes covered
Color: Classic Color
i love these socks but there is room for improvement. The top and bottom band make indentions when i wear very long. A smooth stretchy bottom and top would be nice. i wouldn’t recommend for diabetics because of the indentions they make. They are fairly comfortable. But if not pulled on right you will walk on the band and it digs in a little. Also after awhile the top slides down and the foot part slides back. i have to keep readjusting. The material itself is soft. I am wearing and i like them but if i want more i will look for some without the elastic bands top and bottom. I dont like socks because my toes are sensitive and i am more comfortable without my toes covered. These are working for me now. In future will look for something similar.
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Reviewed in the United States on March 17, 2025
B
Verified Purchase
Barbara Gibson
Charlottesville, US
β˜…β˜…β˜…β˜…β˜… 4
Toes are grateful
Color: Fresh Color
I generally need more toe room in my shoes, but I don't need wider shoes. These are perfect for that. I took off one star because as I wash them , some of the stitching is coming undone. It doesn't seem to make a huge difference, however, so I still wear them. They are way too comfy to give up !
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 9, 2025

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