Digital PH Meter: These products are manufactured and designed by experienced professionals along with advanced machinery. These products are widely known for its durability and design. Features: Easy to operate Low maintenance High performance High durability Precise design Specifications: Rugged portable meter for routine PH measurements Easy to read RED LED display – 3 ½ digit Solid ±0.01 PH readability and MV readability and MV readability 1 MV Temp. Compensation: manually, adjustable setting on calibrated dial between 1c to 100c Auto mode compensation in ATC model