Digital pH Pen - Large Display

Highly Stable and Accurate pH Readings with a Large LCD Display. Designed for Simple, One-Handed Operation. Automatically calibrates to pH 4, 7, 10 buffers and can be adjusted to recognize non-standard buffers as well. These pH pens offer unbeatable solutions for applications such as waste-water, surface water, aquaculture, hydroponics, pools, and education. They each feature hold function, and auto power off with low battery indicator. The cases are IP65 waterproof, and will float if accidentally dropped into the water. They come with 4 button-cell batteries and a built-in electrode kept moist with a protective cap. Item #850050 - Large Display pH Pen Has a Range of 2 to 12 with an Accuracy of ±0.3 pH and is the perfect instrument for economical spot sampling of pH. Item #850051 - Large Display ATC pH Pen Has a Range of 0 to 14 with an Accuracy of ±0.2 pH and is the right instrument for spot sampling of pH and temperature. Displays temperature in both °C and °F. Item #850052 - Large Display ATC 0.01 pH Pen Has a Range of 0 to 14 with an Accuracy of ±0.05 pH and is the ideal instrument when you need laboratory accuracy in the field for sampling of pH and temperature. Displays temperature in both °C and °F. Dimensions: 6½" × 1½" × 1½" (165 × 38 × 38 mm) Weight: 2.3 oz (65 g) Specifications Product: Large Display 850050 Large Display ATC 850051 Large Display ATC 0.01 850052 Range: 2 to 12 0 to 14 0 to 14 Resolution: 0.1 0.1 0.01 Accuracy: ±0.3 pH ±0.2 pH ±0.05 pH Auto 3 pt Calibration: 3 pt 3 pt 3 pt Waterproof: Indicates Low Battery: Auto Power Off: Auto Buffer Recognition: Hold: Auto Temp Compensation:   °C & °F Display:   Special Features: Floats Product: Large Display 850050 Large Display ATC 850051 Large Display ATC 0.01 850052 Range: 2 to 12 0 to 14 0 to 14 Resolution: 0.1 0.1 0.01 Accuracy: ±0.3 pH ±0.2 pH ±0.05 pH Auto 3 pt Calibration: 3 pt 3 pt 3 pt Waterproof: Indicates Low Battery: Auto Power Off: Auto Buffer Recognition: Hold: Auto Temperature Compensation: °C & °F Display:   Special Features: Floats Downloads Instruction Manual Product Brochure Comparison Chart Comparison Chart - Conductivity Meters Comparison Chart - Ph Meters Videos