Conductivity / TDS / Temperature Water Tester | HM Digital Combo Meter | Waterproof
SKU: 42120805096

Conductivity / TDS / Temperature Water Tester | HM Digital Combo Meter | Waterproof

Sale price$72.42 Regular price$80.47
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  • USA
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Ships within 48 hours · Estimated delivery Jul 5 - Jul 10

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Description

Conductivity / TDS / Temperature Water Tester | HM Digital Combo Meter | WaterproofWaterproof EC TDS Temperature Combo Meter Water Tester Measures Total Dissolved Solids (ppm), Salinity, Conductivity, and Temperature of Water HM Digital COM 100 is a professional level EC TDS meter ideal for all water quality testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment and more. HM


Waterproof - EC / TDS / Temperature Combo Meter Water Tester

Measures Total Dissolved Solids (ppm), Salinity, Conductivity, and Temperature of Water

HM Digital COM-100 is a professional level EC/TDS meter ideal for all water quality testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment and more.

  • HM Digital Model: COM-100
  • Measures electrical conductivity (EC), total dissolved solids (TDS), and temperature
  • Three different calibration options (KCl, 442™, NaCl), each with its own non-linear conversion factor
  • Automatic Temperature Compensation (ATC) using three temperature coefficients
  • Waterproof housing
  • Measurement Range: 0-9990 μS; 0-8560 ppm (auto-ranging); 0-80 deg C; 32-176 deg F
  • Digital calibration (push button)
  • Auto-off function, data-hold function, and low battery indicator
  • Large and easy-to-read LCD screen
  • Factory calibrated with a 1413 μS solution. The meter can be recalibrated with digital calibration, instead of a screwdriver
  • Includes a cap, batteries, lanyard, and carrying case
  • Probe: detachable platinum electrodes
  • Accuracy: +/- 2%
  • Power source: three 1.5V button cell batteries (included)
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: 42120805096

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JustMyOpinion
Phoenix, US
★★★★★ 5
Wonderful
Color: Black
Pleasantly surprised. Packaged great, it even come in a modest dust bag. Roomy enough for day but still able to carry at night without being too casual. Great quality for the price! Highly recommend!
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Reviewed in the United States on May 10, 2026
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San D
Battle Creek, US
★★★★★ 5
Versatile
Color: Black
This is a nice purse. The quality is better than I expected. I love the two straps, which makes it versatile.
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Reviewed in the United States on May 8, 2026
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Antoinette Evans
New York, US
★★★★★ 5
Nice purse good price
Color: Black
Love this purse.
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Reviewed in the United States on May 3, 2026
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Ty Bon
Battle Creek, US
★★★★★ 5
Really Good Buy
Color: Nude, Color: Nude
Love it! So cute and versatile.
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Reviewed in the United States on April 15, 2026
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Evee
Houston, US
★★★★★ 5
Silver clutch
Color: Silver, Color: Silver
Love it! It was packed very well I was pleasantly surprised with the quality of this bag. I want another one now!
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Reviewed in the United States on March 30, 2026

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