Specification Brand : Generic BulletPoint1 : It meets the GLP requirements of international standard, with intelligent functions such as auto calibration, auto temperature compensation, data storage, RS232 output, clock display, function setting and self-diagnostic information. BulletPoint2 : Adopting digital filtering and slip technology to intelligently improve the response speed of the meter and the accuracy of the measurement data, and displaying smiley face icon when the measurement value is stable. BulletPoint3 : Set up two calibration solutions, automatic calibration, direct measurement of the ion concentration of the sample. BulletPoint4 : Four units of ion concentration measurement can be freely switched: pX, mol/L, mg/L, ppm. Color : One Color ItemName : MP523-09 PH Copper Ion Concentration Meter Benchtop Highly Accurate PH and Copper Ion Concentration Electrochemical Instrument ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 3 centimeters ItemPackageDimensions_Width : 2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : industrial-power-meters Manufacturer : Lifyn2 Material : plastic MeasurementAccuracy : 1 ModelNumber : FPPZZUPSF NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : FPPZZUPSF ProductDescription : PH Measuring range (-1.999 ~ 19.999) pH Resolution 0.1/0.01/0.001 pH Accuracy Meter: ±0.002 pH, Match: ±0.01 pH Stability ±0.002 pH/3h Temperature compensation range (0 ~ 100)°C (automatic or manual)