Feature: 1. APPLICATION: The penetration type PH detector is mainly used for the measurement of semi solids substances in food production and process, such as fruit (sauce), gel, paste, bread, and some meat, etc. 2. STABLE MEASUREMENT: High accuracy, stable work, reliable, easy to carry, allows you to easily put in your pocket and measure anytime, anywhere 3. PROFESSIONAL DESIGN: The PH tester has novel and beautiful design, and the design is more professional, can measure PH value and temperature 4. CLEAR DISPLAY: This PH tester has large LCD screen display, which has the accurate measurement and clear display results 5. BASIC SPECIFICATIONS: The measurement range is 0.00~14.00PH, the basic error of PH measurement is ±0.05PH, and the measurement stability is ±0.03 Specification: Item Type: PH Tester Pen Model: PH818M Material: ABS Battery: 1.5V AAA x 2 (Not Included) Application: This piercing PH detector is mainly used for the measurement of semi solids substances in food production and process, such as fruit (sauce), gels, paste, bread, and some meat, etc. PH Measurement Range: 0.00~14.00PH PH Measurement Basic Error: ±0.05PH Measurement Stability: ±0.03 Solution Temperature Compensation Range: 0℃~70℃ Instrument Repeatability: ±0.01 Measured Solution Temperature Range: 0℃~60℃ Display: LCD Large Screen Display Working Environment Temperature: 0℃~50℃ Working Environment Humidity: ≤85%RH. Package List: 1 x PH Tester6 x PH Powder1 x User Manual1 x Carrying Bag