Eutech pH Pen WP10

Eutech pH Pen is the grey and yellow probe pictured. Excellent quality, reliable and accurate pH pen.

Waterproof. Range: -1.0 – 15 pH. Accuracy 0.1 pH. Battery life 500 hours constant use (4 x 1.5V button). Calibrate to pH 4, 7 and 10. The ultimate pH pen.