Digital pH Test Pen with LCD

A pocket pH pen with an LCD screen, a 0.0 to 14.0 range and a carrying case with a belt clip.

Measure your space

• The supplier lists 0.1 pH resolution and accuracy.
• Four AG-13 button batteries are needed and are not included.
• Buffer powder for calibration is not included.

Keep what already works

If you already have a pH tester, keep it and leave this out of your selection.

Delivery and returns

Ships from the selected US warehouse to eligible addresses in the contiguous United States and Washington, DC. Standard customer shipping is included. Alaska, Hawaii, territories and military addresses are excluded. Most orders process in 1–3 days, with an estimated 3-5 days in transit. Timing varies by address and is not guaranteed. Items ordered together may arrive separately.

No change-of-mind returns or exchanges. For a damaged, faulty, incorrect or missing item, contact One Less promptly at volabee.2plk@gmail.com before returning anything. We arrange the appropriate remedy and cover required return postage for confirmed faults or errors. Your legal rights are unaffected. Do not return an item directly to the supplier without instructions.