Sper Test Tube pH Pen Meter

Product Code: 652371

Description

  • Easy to use and calibrate

Designed for simple one-handed operation, this pen meter offers highly stable and accurate readings displayed on a large LCD. It automatically calibrates to 4-, 7-, and 10-pH buffers and can be adjusted to recognize others. Features a hold function, automatic shutoff, and low-battery indicator. Its case is IP65 waterproof, and the meter floats if dropped into water. Fits standard test tubes 16 x 50 mm or larger.