Waterproof Large Display pH Pen (Sper Scientific)

Highly stable and accurate readings with large LCD display. Designed for simple one-hand operation. Automatically calibrates to pH 4, 7, 10 buffers and can be adjusted to recognize non-standard buffers as well. Features hold function, and auto power off with low battery indicator. The case is IP65 waterproof, and will float if accidentally dropped into the water. Includes four button cell batteries; replacement #3029-60 and a built-in electrode which is kept moist with a protective cap.


Item No. 3806-70 3806-72
Range 2.00 to 12.00 0.00to 14.00
Resolution 0.1 0.1
Accuracy ±0.3 ±0.2
Replaceable Electrode No No
Waterproof/ Splash Resistant Waterproof Waterproof
Calibration Button Yes—3pts Yes—3pts
Hold Button Yes Yes
Battery Life >500 hr >500 hr
Auto-Off Yes Yes
Size, inches/mm 6.5 x1.5”
6.5 x1.5”
Description/Item No. Details Mfr. Item No. Your Cost/Qty Purchase
Waterproof Large Display pH Pen
non-ATC 850050
Add to Cart This item is not currently stocked. Allow 1-2 weeks. Please call us at 800-328-8378 if you'd like us to keep stock in the future In Stock
Waterproof Large Display pH Pen
ATC 850051
Add to Cart 6 In Stock 6 In Stock