DIGITAL pH METER Microprocessor based (0-14pH) PC compatible with software. Auto temperature Compensation. Storage of 100 readings in instrument. Auto calibration. Inbuilt Electronic buffers. Accessories (Unbreakable pH + Reference combined electrode EQ-700, Temperature probe EQ-702, patch cord, stand set, screwdriver, buffer tablets 4.00, 7.00 & 9.20 pH)