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Introducing the Ohaus Starter Pen Meter ST20D, a small yet powerful tool for accurate measurements.

With its compact size and user-friendly design, this pen meter offers simple, fast, and straightforward operation, making it an ideal choice for both professionals and enthusiasts.

Designed with durability in mind, the Ohaus Starter Pen Meter ST20D features robust IP67 waterproof ABS housing. This ensures that it can withstand rough and wet environments, allowing you to confidently use it in various conditions without worrying about damage.

The protective sensor cap further enhances its longevity by keeping the sensitive components safe when not in use. Plus, the automatic shutdown feature helps conserve battery life, ensuring that the pen meter is always ready when you need it.

Accidental drops are a thing of the past with the Ohaus Starter Pen Meter ST20D. It comes equipped with a convenient wrist strap that prevents slips and falls, protecting your investment from unnecessary damage.

This versatile pen meter isn't limited to just one type of measurement. Whether you need to measure pH levels, oxidation-reduction potential (ORP), conductivity, dissolved oxygen (DO), salinity, or total dissolved solids (TDS), the Ohaus Starter Pen Meter ST20D has got you covered.

Featuring a transparent liquid crystal display (LCD) with a secondary information line on select models, this pen meter provides you with all the necessary information at a glance. No more squinting or guessing - just accurate readings every time.

The Ohaus Starter Pen Meter ST20D operates on four 1.5V batteries, which are included in the package. So you can start using it right out of the box without any hassle or additional purchases.

With easily replaceable electrodes and an automatic shut-off feature for added convenience, the Ohaus Starter Pen Meter ST20D is truly a reliable companion for all your measurement needs.

Experience the precision and reliability of Ohaus - the trusted brand in laboratory balances and scales.

Order your Ohaus Starter Pen Meter ST20D today and take your measurements to the next level.

5-year limited warranty

  • Free Shipping: Available across 48 continental USA. Extra charges may apply for residential, farm, or rural areas.
  • Express Shipping: Overnight and faster shipping options available at additional costs. Quotes obtainable via email.
  • Delivery Time: Typically 5 to 7 business days, varying by location and external conditions.
  • Tracking Information: Provided via email upon shipment. Accessible through account login. Additional information available upon request.
  • Return Policy: 15-day return period for unused, original condition products. A 25% restocking fee applies. Buyer covers original and return shipping costs.
  • Customer Support: Contact at (661) 888-1919 or for queries or concerns about shipping.