SKU: 29475289610

Ohaus STCON3 Conductivity Probe

Sale price$242.08 Regular price$268.98
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Ships within 48 hours · Estimated delivery Jul 22 - Jul 27

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Description

Ohaus STCON3 Conductivity ProbeOhaus STCON3 Conductivity Probe The OHAUS Starter Series are designed to produce exact results time and time again. They fit perfectly in holders on OHAUS bench meters as well as clips on all OHAUS portable meters. The STCON3 utilizes the 4 ring potentiometric method for measuring conductivity, which incorporates a series of four stainless steel rings formed into the probe shaft. This design eliminates polarization which occurs with the 2 plates

Ohaus STCON3 Conductivity Probe

The OHAUS Starter Series are designed to produce exact results time and time again.  They fit perfectly in holders on OHAUS bench meters as well as clips on all OHAUS portable meters. 

The STCON3 utilizes the 4-ring potentiometric method for measuring conductivity, which incorporates a series of four stainless steel rings formed into the probe shaft. This design eliminates polarization which occurs with the 2-plates amperometric method.  Furthermore, without polarization the probe can measure a wider range of conductivity values because it does not suffer from electrolysis.

Specifications:

  • Connection: Mini-Din
  • Cable Length: 1m
  • Shaft Length: 130 mm
  • Shaft Diameter: 14 mm
  • Temperature Range: 0-50 ˚C
  • Measurement Range: 70 µS/cm - 200mS/cm (0.5% accuracy) ; 2 μS/cm - 70μS/cm (1% to 5% accuracy)
  • Compatible With: ST300C portable meter

CARE AND USE

The STCON3 conductivity probe has a built-in temperature sensor which is 30kΩ.  When using STCON3, please consider the following:

  1. Make sure the plastic shield is in place when measuring.
  2. Be sure the solution reached the line on the plastic shield and below the vent hole when measuring.
  3. To prevent carry over from high to low conductivity solutions, rinse with distilled water between and after measurements.
  4. Make sure the cell chamber is bubble-free.
  5. Allow sufficient time for the sensor to stabilize when measuring samples at different temperatures. A manual end-point is advised.

Starter Series Electrodes Data Sheet

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: 29475289610

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4.4 ★★★★★
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Jeanette's Mom
Lexington, US
★★★★★ 5
Works well when properly applied
Size: 3 Fl Oz (Pack of 1)
I try to always buy the highest SPF that I can find. This one fits the bill. If you apply it thoroughly all over and then reapply every few hours, you shouldn't get burned. I've worn it to the water park numerous times now. I have very sensitive skin, and it's given me no issues. I even put it on my face, just being careful not to get too close to my eye area. Once it absorbs into your skin, it doesn't feel too sticky like some other sunscreens can. Just be aware that it will leave a white residue on your bathing suit if you get it on there, but I've always been able to wash it out and that's a small price to pay for proper sun protection!
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Reviewed in the United States on April 9, 2026
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David Velasquez Henao
Houston, US
★★★★★ 5
Excellent product.
Size: 3 Fl Oz (Pack of 1)
Excellent product. The sun is extremely strong where I live, and I've been using this for several days now; it lasts a very long time on the skin. However, if you have very sensitive skin, I wouldn't recommend using it on your face—in my case, it caused a breakout. But for the neck, body, and arms, it’s excellent. I highly recommend it, and it doesn't leave a bad feel on the skin or an unpleasant smell. If you use it in the water, it is recommended to reapply every hour and 20 minutes, otherwise you might get sunburned.
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Reviewed in the United States on May 23, 2026
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Verified Purchase
Taslima Hossain
Grantham, US
★★★★★ 4
Solid sunscreen!
Size: 3 Fl Oz (Pack of 1), Size: 3 Fl Oz (Pack of 1)
I just started using this sunscreen about a week ago. It doesn’t feel heavy on the skin, but as someone with a dark complexion, it will leave a faint white-cast at first. Simply just tap it into your skin more!
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Reviewed in the United States on April 11, 2026
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Verified Purchase
Yenisleydis Remon
Omaha, US
★★★★★ 5
Non-greasy and absorbs quickly
Size: 3 Fl Oz (Pack of 1)
I really like this sunscreen. It’s very lightweight and absorbs quickly without leaving a white cast or greasy feeling like other sunscreens. I use it every day and it feels very comfortable on the skin, even under makeup. It provides great protection and doesn’t irritate my skin. The size is also convenient to carry in a bag. I definitely recommend it if you’re looking for something effective and lightweight.
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Reviewed in the United States on April 19, 2026
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SML
Grantham, US
★★★★★ 5
Best sunscreen
Size: 3 Fl Oz (Pack of 1)
My favorite sunscreen. Been buying if for 2 years and still a great product. It goes on easily and does not make your skin greasy or sweaty. It does not cause breakouts either.
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Reviewed in the United States on May 7, 2026

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