Thermo Electron Orion VSTAR90

Select from five modules to customize the four channels as you need it Anyone can use this meter with its plain language screen prompts, soft keys that update for easy selection and a multilanguage interface that supports English, Spanish, French, Italian, German and Chinese Non-volatile memory holds up to 2000 data points with time and date stamp Data transfer and updating meter software is easy with two USB and RS232 ports Includes data analysis software for transferring stored results or displaying readings in real-time Mix samples without a stir plate with direct control for two Orion Star stirrer probes (096019, sold separately) Included electrode arm and newly-designed probe holder make it easier to maintain and place probes into samples Works with almost every AC power source with the included universal power adapter IP54-rated housing handles splashes Three year meter replacement warranty Range -2.000 to 20.000 Resolution 0.1, 0.01, 0.001 Relative Accuracy ±0.002 Calibration Points up to 6 Range 0 to 19999 in ppm, M, mg/L, %, ppb or unitless Resolution up to 4 significant digits Relative Accuracy ±0.2 mV or ±0.5% of reading, whichever is greater Calibration Points up to 6, Calibration point editing, timed end point, linear point to point, non-linear selectable auto-blank, low concentration range stability, adjustable ISO point Range ±2000.0 Resolution 0.1 Relative Accuracy ±0.2 mV or ±0.05% of reading whichever is greater Calibration Points 1 Range -5 to 105 Resolution 0.1 Relative Accuracy ±0.1 Concentration Range Polarographic: 0 to 90mg/L, 0 to 600%, RDO optical: 0 to 50mg/L, 0 to 500% Concentration Resolution 0.01, 0.1 Relative Accuracy Polarographic: ±0.2mg/L, ±2% RDO optical: ±0.1mg/L up to 8mg/L, ±0.2mg/L up to 20mg/L, 10% of reading beyond, ±2% Calibration Water-saturated air, air-saturated water, manual (Winkler) and zero point Range 0.00 to 3000 mS Resolution 0.01 uS minimum, 4 significant figures minimum Relative Accuracy 0.5% reading ±1 digit Calibration Points up to 5 Inputs BNC, reference pin, two 8-pin mini-DIN, 9-pin mini-DIN, two stirrer ports Data Management 2000 points with date/time stamp Output RS-232, USB Display Color, graphic LCD, user-customizable display Warranty Period 3-year meter replacement