Etekcity PH-009 IA High Quality Digital Pocket Pen Type PH Meter & Digital Tester Hydro
The Etekcity pocket-sized pH meter digital pen, with advanced technology and imported components, greatly reducing the volume and costs, maintaining their good quality, is born to be popular. Featuring high stability, reliability and usability, it's suitable for users of all ages in various conditions.Pure water production and consumption, electroplating liquid, swimming pool water, fluid photography, laboratories, aquaculture, food processing, home, office, teaching physics and chemistry, cosmetics ionized water, municipal water supply...Calibration:1. Immerse the electrode in standard buffer solution (under the temperature of 25℃), and gently shake the electrode.2. Regulate the trimmer with the screwdriver until the buffer solution value corresponding to the measurement temperature is obtained.Specifications:1. Measuring range: pH 0.0 - 14.02. Resolution: 0.1pH3. Accuracy: 0.1pH (at 20℃/68℉)4. Typical EMC DEV: 0.2pH5. Battery: 3*1.5v (AG-13 button battery)6. Operating temperature: 0℃to 50℃ (32℉- 122℉)7. Relative humidity:  95%8. Life: Approx. 700 hours of use9. Trimming: By potentiometer10. Dimensions: 150*29*20mm11. Net weight: About 52gPackage Contents:1 x Etekcity pH meter3 x 1.5V LR44 button cells (AG13)2 x Calibration packets1 x Screw driver1 x Operation instruction