Check the listing for details. Hach SensION 7 (54500-60) Conductivity-TDS Meter with Electrode Support. Condition: Used. Listed at 253.49 USD. The Hach SensION 7 benchtop meter is used for accurate conductivity analysis of water quality in the lab. Features include:Slip-resistant keypadQuick single-point calibrationUltra-fast responseTime and date stampsAll-in-one 5-pin connectorMeter determines conductivity, plus TDS, salinity and temperatureWhen brand-new, it comes with four-cell electrode (not included), which covers the range of 0.1 µS/cm to 200 mS/cm. Built-in communications protocols (RS-232) enables fast downloading to a printer or PC. This meter is in very good condition (appears un-used) and comes with the power supply and electrode support arm seen in photos. Probes are not included, but may be available for separate purchase - please inquire directly.RANGE:Conductivity µS/cm: 0 to 19.99; 20 to 199.9; 200-1999Conductivity mS/cm: 2 to 19.99; 20 to 199.9TDS: 0 to 50,000 mg/L as NaClSalinity: 0 to 42 ppt (%)Temperature: -10 to 105°CTDS mg/L: 0.00 to 19.99; 200 to 199.9TDS g/L: 2.00 to 19.99; 20.0 to 50.0RESOLUTION:Salinity: 0.1 pptTemperature: 0.1°CConductivity: ±0.5% of rangeTDS: ±0.5% of full scaleSalinity: ±0.1 ppt (-2 to 35°C)Temperature: ±0.3°C at 0 to 70°C; ±1.0°C at 70 to 110°CConversion Factor for TDS: Adjustable automatic or user-adjustableTemp.Compensation: Manual (user-selected coefficient, % per °C or Automatic (non-linear based on NaCl solutions)Outputs: One-way RS232Enclosure: Water resistant (IP32), chemical resistant** SEE LINK TO MANUAL ON CHEM-RG.COM FOR MORE INFORMATION