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Description	Orion Versa Star Pro benchtop meter with pH/mV module, conductivity/TDS/salinity/resistivity module and stand
Includes	Versa Star Pro meter, VSTAR-PH pH module, VSTAR-CND conductivity module, electrode stand, universal power adapter, literature CD, printed quick start guide, computer interface cable and meter test certificate
Range (pH)	-2.000 to 20.000pH
Resolution (pH)	0.1, 0.01, 0.001pH
Accuracy (pH)	±0.002pH
Range (mV)	±2000.0mV
Range (Relative mV)	±2000.0mV
Range (ORP)	±2000.0mV
Resolution (mV)	0.1mV
Accuracy (mV)	±0.2 mV or ±0.05% of reading whichever is greater
Isopotential Point	7.000pH (adjustable)
Range (Conductivity)	0.001 µS/cm to 3000 mS/cm
Resolution (Conductivity)	0.001 μS minimum, auto ranging up to 4 significant digits
Accuracy (Conductivity)	0.5% of reading ±1 digit > 3 μS; 0.5% of reading ±0.01 μS ≤ 3 μS
Range (TDS)	0.001 to 200.0 ppm
Resolution (TDS)	0.001 ppm minimum, auto ranging up to 4 significant digits
Accuracy (TDS)	0.5% of reading ±1 digit
TDS Factor Range	Linear (0.02 to 9.99)
Range (Salinity)	0.06 to 80.00 psu, 0.05 to 42.00 ppt
Resolution (Salinity)	0.01 psu or 0.01 ppt minimum, auto ranging
Accuracy (Salinity)	0.5% of reading ±1 digit
Salinity Measurement Modes	Practical salinity (psu) or natural sea water (ppt)
Range (Resistivity)	2 ohm to 100.0 meg-ohm
Resolution (Resistivity)	1 ohm or 0.1 meg-ohm, auto ranging
Accuracy (Resistivity)	0.5% of reading ±1 digit
Cell Constant	0.001 to 199.9cm-1
Temperature Compensation	Linear, nLFn (non-linear ultra pure water), nLFu (non-linear ultra pure degassed water), EP (off with warning) or off
Temperature (Metric) Reference	5, 10, 15, 20, 25°C
Calibration	pH with calibration editing option, relative mV (RmV), ORP, conductivity with calibration editing option and temperature
Calibration Points (pH)	1 to 6
Calibration Points	1 point relative mV (RmV) mode, 1 point ORP mode
Calibration Points (Conductivity)	Up to 6
Range (Temperature)	-5.0° to 105.0° C, 22.0° to 221.0° F
Resolution (Temperature)	0.1°C, 0.1°F
Accuracy (Temperature)	±0.1°C
Temperature Selection	Manual or automatic with ATC temperature probe
Temperature Probe Calibration	1 point temperature offset calibration
Channels	4 - customizable with modules
Display Type	Color graphic LCD with user-customizable options
Backlight Option	Yes
Keypad	Numeric with menu-specific function keys and dual purpose scroll/shortcut keys
Measurement Modes	pH, mV, relative mV (RmV) or ORP with temperature; conductivity, TDS, salinity or resistivity with temperature
Stability	Selectable fast, medium, slow or Smart Stability setting; Selectable off or Automatic Smart averaging setting
Data Management Details	Transfer single, range or all data points to printer or computer
Data Points	2000 with date and time stamp
Log Function Type	Automatic data logging with Auto-Read, Timed and Single Shot measure modes; manual data logging with Continuous measure mode
Memory	Non-volatile memory preserves data log, calibration log and meter settings
Alarm Output	Set point alarm, high/low limit alarm, calibration due alarm
Methods	10 per channel
Languages	English, Spanish, French, Italian, German, Chinese, Portuguese and Korean
Inputs	BNC (pH or ORP electrode), pin-tip (reference electrode), 8 pin MiniDIN (ATC temperature probe), 8 pin MiniDIN (conductivity sensor with built-in temperature), two stirrer inputs (stirrer probe)
Outputs	USB (2), RS232
Power Supply	Universal AC adapter (included)
AC Adapter	Universal 50-60 Hz, 100-240 VAC power adapter (Cat. No. STARA-PWR)
IP Rating	IP-54
Certifications/Compliance	CE, TUV 3-1, FCC Class A
Temperature (English) Operating	41° to 113°F (ambient)
Temperature (Metric) Operating	5° to 45° C (ambient)
Relative Humidity Range	5 to 85 %, non-condensing
Dimensions (L x W x H)	28cm x 24cm x 10cm (11 in. x 9.5 in. x 3.9 in.), modules add ≤ 2cm (0.8 in.) L & H
Weight (Metric)	1.2kg, modules add 0.2kg each
Weight (English)	2.5 lb., modules add 0.5 lb. each
Warranty	3 year meter and module warranty
Power Rating	DC input: 9VDC, 1A
Unit Size	Each