Apera Instruments, AI5624, PC950 Benchtop pH/Conductivity Meter Kit with TestBenchAI5624 Includes Only:PC950 MeterTestBenchLabSen®211 pH/temp. electrode2401T-F conductivity/temp. electrode9V Power adapterFlexible electrode holder50ml of pH buffers (4.00, 7.00, 10.01)50ml of conductivity standards (84µS, 1413µS, 12.88mS)Instruction manualFeatures:Comes with Apera TestBench that incorporates a flexible electrode holder, an intelligent stirrer, and buffer organizers altogether, streamlining the process of pH measurement and calibration.Simultaneous measurement of pH and conductivity/TDS/salinityIntuitive operating navigation with natural language and graphicsMulti-language operating system (English, German, Spanish, Mandarin)Automatic calibration, automatic temperature compensation, self-diagnosis.Manual data logger with 200 groups of storageComes with the Swiss LabSen® 211 pH combination electrode and the MP500 temperature probe, achieving highly accurate measurements in the fastest manner1 to 3 points automatic calibration with calibration instruction and self-diagnosisAutomatically recognizes pH standard solution (1.68, 4.00, 7.00, 10.01, 12.45). 3 series buffer standards for selection: USA, NIST, China series, as well as user-customized standards.Automatically display electrode slope.Standard BNC pH connector, RCA connector for a temperature probe, NTC 30KΩ thermistorThe 2401T-F glass conductivity/temp. electrode designed for research-level conductivity measurement from 0 to 200mS/cm at ±1% F.S accuracy1 to 4 points automatic calibration with calibration instruction and self-diagnosisAutomatically recognizes conductivity standard solution (84µS/cm, 1413µS/cm, 12.88mS/cm, 111.8mS/cm).Standard BNC conductivity connector, RCA connector for a temperature probe, NTC 30KΩ thermistor.