Product Description
Replacement pH sensor for LAQUAtwin pH Meters PH11, PH22, PH33 and older models B-711, B-712, B-713, B-211, B-212, B-213. Replace the pH sensor when calibration can no longer be performed or when the liquid junction is clogged or if the pH glass membrane is cracked.
The new sensor simply snaps into position on the meter.
