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Ohaus Starter Pen Meters

Avg. Ratings: 5.0 (1 Review)
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When you are looking for accurate results anywhere and anytime, look no further than the OHAUS Starter Series of pen meters designed for education.

  • Wrist Strap Prevents Unintentional Dropping
  • Waterproof Design
  • Protective Cap
They're simple, fast, and straightforward.

With durable plastic housing, a protective cap that safeguards the sensor, and an automatic shutdown feature to preserve battery life, the Starter pen meters can endure consistent use in rugged environments.



Item # Description Unit Availability Price Quantity
470020-230 ST10: Basic pH Pen Meter with Single Display
Each Retrieving Restricted
470020-234 ST10C-A: Conductivity Pen Meter
Each Retrieving Restricted
470020-260 ST10C-B: Conductivity Pen Meter
Each Retrieving Restricted
470020-262 ST10C-C: Conductivity Pen Meter
Each Retrieving Restricted
470020-308 ST10R: ORP Pen Meter
Each Retrieving Restricted
470020-276 ST10T-A: TDS Pen Meter
Each Retrieving Restricted
470020-280 ST10T-B: TDS Pen Meter
Each Retrieving Restricted
470020-232 ST20: pH Pen Meter with 3-Point Calibration
Each Retrieving Restricted
470020-264 ST20C-A: Conductivity Pen Meter with Temperature Display
Each Retrieving Restricted
470020-270 ST20C-B: Conductivity Pen Meter with Temperature Display
Each Retrieving Restricted
470020-274 ST20C-C: Conducitivty Pen Meter with Temperature Display
Each Retrieving Restricted
470020-312 ST20R: ORP Pen Meter with Temperature Display
Each Retrieving Restricted
470020-282 ST20T-A: TDS Pen Meter with Temperature Display
Each Retrieving Restricted
470020-284 ST20T-B: TDS Pen Meter with Temperature Display
Each Retrieving Restricted
restricted This product is marked as restricted and can only be purchased by approved Shipping Accounts. To apply for a shipping account number, click here. If you need further assistance, call Customer Service at 800-962-2660 or email


Item # Description For Use With Unit Availability Price Quantity
470020-316 PH10ST: Replacement Electrode
ST10 Each Retrieving Restricted
470020-318 PH20ST: Replacement Electrode
ST20 Each Retrieving Restricted
470020-322 CT10A: Replacement Electrode
ST10C-A, ST10T-A Each Retrieving Restricted
470020-326 CT10B: Replacement Electrode
ST10C-B, ST10T-B Each Retrieving Restricted
470020-352 CT10C: Replacement Electrode
ST10C-C, ST10S Each Retrieving Restricted
470020-356 CT20A: Replacement Electrode
ST20C-A, ST20T-A Each Retrieving Restricted
470020-358 CT20B: Replacement Electrode
ST20C-B, ST20T-B Each Retrieving Restricted
470020-392 CT20C: Replacement Electrode
ST20C-C, ST20S Each Retrieving Restricted
470020-394 R10: Replacement Electrode
ST10R Each Retrieving Restricted


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Total Ratings: 1
Avg. Ratings: 5.0 out of 5

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Yes: 0 No: 0 
Bronson Nye Education / Lab Coordinator / Utah
Yes, I recommend
This is a very good product. It is extremely easy to use incredibly portable, and, in my experience, quite accurate.
Reply associate Published 10/09/2017
Thank you!
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