Oakton pHTestr 30
#3 in Pen testersFull review
A lab-brand pocket tester with a replaceable module, for labs and schools that already stock Oakton parts.
Amazon $136.22$136.22
±0.01 pH3-pointNone
1 Oakton ph meter ranked. Each one is scored and ranked against every brand in its type, so "#3 mid-size" means third of all mid-size ph meters here, not third among Oakton's own.
The Oakton pHTestr 30 is Oakton's only current ph meter here, ranked #3 of 13 pen testers and rated 3.7.
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
Oakton ph meters 1
- Oakton pHTestr 30#3 pen testersFull review
A lab-brand pocket tester with a replaceable module, for labs and schools that already stock Oakton parts.
Amazon $136.22$136.22±0.01 pH3-pointNone