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Sper Test Tube pH Pen Meter

Item # 652371

This hand-held waterproof meter provides accurate readings, automatic calibration, and ease of use for students in the lab or field.



In stock and available to ship.
  • 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.

Item# 652371
Battery Type 2 x CR2032
Calibration Point 4, 7, and 10 pH
Dimensions Overall, 235 x 35 x 25 mm; pen, 115 x 35 x 25 mm; probe, 120 x 12 mm
pH Accuracy ±0.2 pH
pH Range 0.00 to 14.00 pH
pH Resolution 0.1 pH
Weight 71 g
Components Qty Included?
pH Pen Meter 1 Included
Button Cell Batteries 2 Included
Protective Cap 1 Included
Instruction Booklet 1 Included