SKU: 59375437680

Milwaukee EC59 PRO Waterproof 3-in-1 Conductivity / TDS & Temperature Tester with Replaceable Probe

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Description

Milwaukee EC59 PRO Waterproof 3-in-1 Conductivity / TDS & Temperature Tester with Replaceable ProbeMilwaukee EC59 PRO Waterproof 3 in 1 Conductivity TDS & Temperature Tester with Replaceable Probe The Milwaukee EC59 PRO Conductivity (EC) & Total Dissolved Solids (TDS) Tester is designed for aquaculture, food, wine, laboratory, water treatment and many other applications. It is the ideal meter to help make sure that your EC TDS Temp. needs are being met and offers reliable results for your analysis. Features: Measures EC TDS Temp. with automatic

Milwaukee EC59 PRO Waterproof 3-in-1 Conductivity/TDS & Temperature Tester with Replaceable Probe

The Milwaukee EC59 PRO Conductivity (EC) & Total Dissolved Solids (TDS) Tester is designed for aquaculture, food, wine, laboratory, water treatment and many other applications. It is the ideal meter to help make sure that your EC/TDS/Temp. needs are being met and offers reliable results for your analysis.

Features:

  • Measures EC/TDS/Temp. with automatic temperature compensation (ATC)
  • Ideal range for all different applications (0 to 3999 uS/cm) | 0 to 2000 ppm | 0.0 to 60°C (32.0 to 140.0°F)
  • Units in uS/cm or ppm easily convertible to other ranges
  • Factory calibrated with the ability to recalibrate if needed
  • Replaceable electrode Mi59P
  • Fully waterproof to IP65
  • Approximately 100 hours of use (4 x 1.5V batteries included)

 

Specifications:

  • pH Range: -2.0 to 16.0 pH
  • ORP Range: ±1000 mV
  • Temperature Range: -5.0 to 60.0°C (23 to 140°F)
  • pH Resolution: 0.01 pH
  • ORP Resolution: 1 mV
  • Temperature Resolution: 0.1°C (0.1°F)
  • pH Accuracy: ±0.05 pH @25°C (77°F)
  • ORP Accuracy: ±1 mV
  • Temperature Accuracy: ±0.5°C (±1°F)
  • Typical EMC Deviation: ±0.02
  • Typical EMC Deviation: ±2 mV
  • Typical EMC Temperature Deviation: ±0.3°C (±0.6°F)
  • Temperature Compensation: Automatic from -5 to 60°C (23 to 140°F)
  • Calibration Automatic: 1 or 2 points with 2 sets of pre-memorized buffers (pH 4.01, 7.01, 10.01) or (pH 4.01, 6.86, 9.18)
  • Probe: Replaceable double junction for extended life (Mi58P)
  • Environment: -5 to 50°C / 23 to 122°F; max RH 100%
  • Battery Type: 4 x 1.5V; IEC LR44, A76 (included)
  • Battery Life: Approx. 250 hours of use
  • Auto-off: after 8 minutes on non-use
  • Dimensions: 7.9 inches × 1.5 inches (diameter)
  • Weight: 3.5 ounces (99.22 g)

Milwaukee EC59 Manual


CARE AND USE

MAINTENANCE

EC electrodes can develop nutrient build up over time. To minimize build up, always rinse the probe in fresh tap water after every use.

CONVERTING EC TO TDS

The Milwaukee PRO Conductivity Tester, like all conductivity meters, provides a measure of electrically charged ions in a solution and is an absolute measure of conductivity.

EC/TDS can be converted. Different scales include the 500 scale, 650 scale and the 700 scale. 

Your uS/cm reading can be approximately converted to other scales as shown in the examples below.

2.00 mS/cm = 2000 uS/cm = 1000 ppm on .50 factor scale

2.00 mS/cm = 2000 uS/cm = 1400 ppm on the 442 scale or .70 factor scale

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: 59375437680

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MJWalsh
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★★★★★ 5
Perfect for travel
Nice size and easy to apply. And no burns!
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Reviewed in the United States on September 15, 2024
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J. Oks
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★★★★★ 3
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Reviewed in the United States on June 3, 2024
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Basic
Charlottesville, US
★★★★★ 5
My favorite sunscreen
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The BEST sunscreen I have tried. I LOVE this unscented Coola. It goes on smooth and doesn’t feel sticky at all, you will forget you have it on. It truly is unscented and so light. It’s also effective protection from the sun.
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Reviewed in the United States on August 31, 2025
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JGFL
Boise, US
★★★★★ 5
Great sunscreen
Size: 5 Fl Oz (Pack of 1)
I love this sunscreen and I even use it on my face. Good value in a large size container.
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Reviewed in the United States on April 21, 2026
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Catsandcolognes
Houston, US
★★★★★ 5
One of the few body sunscreens that doesn't trigger my sensory issues
Size: 5 Fl Oz (Pack of 1)
I have sensory sensitivities, so wearing sunscreen is usually a pretty unpleasant experience for me. I can't stand heavy textures, greasy finishes, or that sticky sunscreen feeling that seems to sit on top of the skin all day. I'm also bothered by mineral and matte sunscreens that dry my skin out. It's very hard to find a sunscreen as genuinely comfortable as this one is. I bought the Coola Sunblock Body Lotion because several reviews mentioned that it actually feels like a regular lotion once applied, but I honestly assumed it still wouldn't work for me. I was genuinely shocked the first time I used this. The texture feels silky and lightweight, absorbs quickly, and leaves my skin feeling soft rather than coated or oily. It really does wear more like a comfortable body lotion than a traditional sunscreen, and I don't notice any residue or oily feel at all, which is amazing. I also love that it's fragrance-free, which makes it even easier for me to tolerate, especially with sensitive skin and sensory issues. Coola Sunblock Body Lotion is one of the very few body sunscreens I've tried that I actually enjoy wearing, and it works perfectly. I am very fair and burn easily, but I had no burning or redness on my first outside day of the summer while wearing this. It's sunscreen that works and that I can actually wear with zero discomfort. Amazing.
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