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Ohaus Pen Meter ST20 pH pen meter, resolution 0.01 pH, temperature display

Ohaus Pen Meter ST20 pH pen meter, resolution 0.01 pH, temperature display

Ohaus (Authorized Dealer)

Free Shipping within the 48 contiguous united states

  • $89.00
  • Save $15

Model: 30073971

Brand new in its original packaging

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  • Authorized Dealer

    Trusted seller, fast shipping and easy returns.

  • Money Back Guarantee

    Get the item you purchased or get your money back.

  • Sales Support


  • Warranty Period


  • Returns

    30 days returns. See details

Accurate Electrochemistry Measurement At Your Fingertips

  • Starter pen meters provide what should be expected of a small, economical pen meter: simple, fast, straightforward, no-frills operation time and time again.
  • With durable ABS housing, a protective sensor cap, and automatic shutdown feature that preserves battery life, Starter pen meters can endure consistent use in rugged environments.
  • Equipped with a wrist strap that helps prevent unintentional dropping, Starter pen meters are constructed with an IP67 waterproof design that can prevent water damage when dropped in to liquid.

Product Specifications

Measurement Range 0.00 - 14 pH;
0.0 - 99.0 degree C
Measurement Resolution 0.01 pH
Calibration 3 Point
Temperature Compensation Automatic
Display LCD
Working Environment 50 degree F - 104 degree F, 85%RH, non-condensing
Working Environment 10 degree C - 40 degree C, 85%RH, non-condensing
Net Weight 110.0 g (3.88 oz)
Accuracy ? (Temperature) 0.5 degree C
Temperature Range 0 degree C - 99 degree C
Accuracy ? 0.05 pH / ? 0.5 degree C
Meter Type pH
Temperature Display Yes
Battery Life 200 Hours with Disposable Batteries
Dimensions (Height) 185.0 mm (7.28 in)
Dimensions (Width) 45.0 mm (1.77 in)
Dimensions (Length) 38.0 mm (1.5 in)
pH accuracy (?) 0.05
Automatic Shutdown Yes, After 6 minutes of non-use
Power 4 AG13 Batteries (Included)
Protection Rating IP67
Temperature Sensor 50 K? NTC
Measurement Range (Temperature) 0 degree C - 99 degree C
Number of Buttons 3
pH measuring range 0 - 14
Wrist Strap Yes

Shipping Policy


All orders are shipped within 48 hours Monday - Friday 8am - 5pm.


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Our policy lasts 30 days of delivery has been delivered. If 30 days have gone by since your purchase, unfortunately we can’t offer you a refund if the item is damaged.

To be eligible... Read More..

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Ask a Question
  • Does the ohaus starter pen st20 come with all the solution you need for storage and calibration?

    No it does not include the solutions



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