◈ pH 703 SPECIFICATIONS: ● Measurement ranges: 0.00 ~ 14.00pH ● Resolution: 0.01pH ● Accuracy: 0.02pH ● ATC: 0 ~ 50¢J (Automatic Temperature Compensation) ◈ General ● Power Requirement: 1 pieces 9V battery ● Dimensions: 6.2"x1.6"x1.3" (158x40x34mm) ● Weight: 3.15 oz (90g) ● Accessories: pH7 buffer solution can, batteries and manual, protective    carrying case. ● Certificate: CE