Fits standard test tubes 16 x 50 mm or larger.
Highly stable and accurate readings with a large LCD display. Designed for simple one-hand operation. Automatically calibrates to pH 4, 7 and 10 buffers and can be adjusted to recognize some other non-standard buffers as well. Features hold function, and auto power off with low battery indicator.
for meat, leather, paper, skin, and other surface pH measurements
