Modular 3-channel professional system for measuring pH value / redox potential, conductivity / salinity / TDS and ion concentration. Can be equipped or later expanded with 1, 2 or 3 measuring modules of your choice. - Large, high-resolution 7-inch color touchscreen (capacitive), very clear and easy to operate - modularity and flexibility without limits: Up to 3 measuring modules can be operated in parallel, expandable at any time - Universal communication via usb, Ethernet (LAN) and RS-232 - Full-text user guidance in 10 languages with help menu - Unique OneClickTM operating concept (individually configurable functions/processes at the touch of a button - Method memory - Maximum security and GxP support (ID protection, sophisticated user management, limit values/alarms, integrated radio clock…,) - Intelligent Sensor Management (ISM) - Connection of stirrer, autom. Sample changer, PC, barcode reader, keyboard, printer (local or network) - Internal memory for 20,000 data records (measured values, calibrations, methods) - u-Place electrode holder with absolute vertical movement - and much more. Features of the individual modules: pH measuring module: - 1- to 9-point calibration with automatic buffer recognition - 8 pre-programmed buffer sets, 1 freely programmable buffer set - Automatic temperature compensation with Pt1000 or NTC 30 kOhm Conductivity measuring module: - Automatic recognition of the calibration standard - Specification of calculated cell constants/entry of known cell constants - Selectable reference temperature (20 or 25°C) - Linear, non-linear temperature compensation or USP/EP mode pH/Ion measuring module: - All the services of measuring module pH plus: - 2- to 9-point calibration for concentration determination - Storage of calibration data for up to 10 ISE sensors - Direct measurement, standard or sample addition/subtraction Measuring module DO/BOD/BOD (dissolved O2): - 2-point calibration, 2 predefined, 1 user-defined standard - Automatic temperature and air pressure compensation - Optical (InLab OptiOx) or polarographic sensors (InLab 605) - Biological O2 requirement: pre-programmed methods according to DIN 38409 and EPA Technical data: - pH: -2.000 to 19.999, resolution 0.001/0.01/0. 1, mV: -1999 to +1999 /0.1 - Ion concentration: 9 x10-9 - 9.99x10+7, resolution ±1 digit - Temperature: -5.0 to 130.0, resolution 0.1 - Conductivity: 0.01 µS/cm to 1000 mS/cm, TDS: 0.1 mg/l to 2000 g/l, Spez. Resistivity: 0.00 - 2000 MOhm x cm, Salinity: 0.00 - 80.00 ppt DO/BOD (dissolved O2): 0.000-50 mg/L or ppm, 0-500%, Air pressure 500-1100 mbar, Temperature: 0-50 °C For further technical data, see brochure. Scope of delivery S975-uMix: Basic device, 1 x pH/ion module, 1 x conductivity module, 1 x DO/BOD module, pH-Electr. InLab Expert Pro ISM, InLab 731 ISM, InLab OptiOx, electr. arm, uMix magnetic stirrer, LabX direct software, certificate