convenient and portable pen-style pH meter is designed for fast and accurate pH measurements in any environment. Each unit includes a one-touch calibration feature at 3 points and a waterproof rating to IP65. They fit comfortably in your hand and conveniently store away in your shirt pocket. 8681 - Choose this model for professional performance, durability and a great price. Auto temperature compensation ensures good accuracy. Dual display shows temperature and pH at the same time with accuracy to ±0.2pH. Waterproof Auto-Temp Compensation (8681 & 8682 only) One-Touch Auto-Calibration Up to 3 point cal 4,7,10 Cal values adjustable Data Hold Function Auto Power-Off °C/°F Switchable (8681 & 8682 only) Range 0 to 14 pH Accuracy ±0.2pH; ±1.8°F (±1°C) Resolution 0.1pH; 0.5°F, 0.5°C Auto Temperature Compensation 32 to 122°F (0 to 50°C) Water Resistance IP65 Environmental Range 32 to 122°F (0 to 50°C), 0 to 80% RH Battery Button Cell LR44 x 4 Dimensions 1.42" x 6.3" x 0.89" .......$115.00 We recommend you use ph electrode cleaning solution and electrode storage solution with ALL pH meters to ensure accurate reading and to increase longevity of the electrode
