The HI 1296D pH probe feature a recessed flat tip that is easy to clean and prevents solids in solutions from collecting on the sensor. The titanium body of the probe functions as a potential matching pin for increased stability of readings and extended sensor life.

The HI 991001N easily fits in the palm of your hand.

The large, multi-level LCD displays the primary reading, temperature and calibration instructions simultaneously.

• New Larger LCD
• Tutorial messages for calibration and setup
• Missing Probe Indicator
• New Rugged, thinner ergonomic case
• Faster/Easier battery replacement