Catalog No:
ORIOVSTAR90
ORIOVSTAR91
ORIOVSTAR92
ORIOVSTAR93

Model:
Orion™ Versa Star Pro™
Orion™ Versa Star Pro™
Orion™ Versa Star Pro™
Orion™ Versa Star Pro™

pH range:
−2000...+20000
−2000...+20000
−2000...+20000
−2000...+20000

pH resolution:
0,1/0,01/0,001
0,1/0,01/0,001
0,1/0,01/0,001
0,1/0,01/0,001

pH accuracy:
±0,002
±0,002
±0,002
±0,002

pH calibration:
Up to 6 points
Up to 6 points
Up to 6 points
Up to 6 points

mV range:
±2000,0
±2000,0
±2000,0
±2000,0

mV resolution:
0,1
0,1
0,1
0,1

mV accuracy:
±0,2 or 0,05% of reading (whichever is greater)
±0,2 or 0,05% of reading (whichever is greater)
±0,2 or 0,05% of reading (whichever is greater)
±0,2 or 0,05% of reading (whichever is greater)

mV calibration:
1 point
1 point
1 point
1 point

ISE range:
0,0001 - 19990 ppm
0,0001 - 19990 ppm
0,0001 - 19990 ppm
0,0001 - 19990 ppm

ISE resolution:
0,0001 minimum, 1 to 4 significant digits (user selectable)
0,0001 minimum, 1 to 4 significant digits (user selectable)
0,0001 minimum, 1 to 4 significant digits (user selectable)
0,0001 minimum, 1 to 4 significant digits (user selectable)

ISE accuracy:
±0,2 mV or ±0,05% of reading (whichever is greater)
±0,2 mV or ±0,05% of reading (whichever is greater)
±0,2 mV or ±0,05% of reading (whichever is greater)
±0,2 mV or ±0,05% of reading (whichever is greater)

ISE calibration:
Up to 6 points
Up to 6 points
Up to 6 points
Up to 6 points

ISE units:
ppm, Molar, mg/L, %, ppb or none
ppm, Molar, mg/L, %, ppb or none
ppm, Molar, mg/L, %, ppb or none
ppm, Molar, mg/L, %, ppb or none

Conductivity range:
0,001 µS/cm - 3000 mS/cm
0,001 µS/cm - 3000 mS/cm
0,001 µS/cm - 3000 mS/cm
0,001 µS/cm - 3000 mS/cm

Conductivity resolution:
0,001 μS minimum, auto ranging up to 4 significant digits
0,001 μS minimum, auto ranging up to 4 significant digits
0,001 μS minimum, auto ranging up to 4 significant digits
0,001 μS minimum, auto ranging up to 4 significant digits

Conductivity accuracy:
0,5% of reading ±1 digit (> 3 μS); 0,5% of reading ±0,01 μS (≤ 3 μS)
0,5% of reading ±1 digit (> 3 μS); 0,5% of reading ±0,01 μS (≤ 3 μS)
0,5% of reading ±1 digit (> 3 μS); 0,5% of reading ±0,01 μS (≤ 3 μS)
0,5% of reading ±1 digit (> 3 μS); 0,5% of reading ±0,01 μS (≤ 3 μS)

Conductivity cell constant:
0,001 - 199,9 cm⁻¹
0,001 - 199,9 cm⁻¹
0,001 - 199,9 cm⁻¹
0,001 - 199,9 cm⁻¹

Conductivity calibration:
Up to 6 points
Up to 6 points
Up to 6 points
Up to 6 points

Resistivity range:
2 Ω/cm - 100,0 MΩ/cm
2 Ω/cm - 100,0 MΩ/cm
2 Ω/cm - 100,0 MΩ/cm
2 Ω/cm - 100,0 MΩ/cm

Resistivity accuracy:
0,5% of reading ±1 digit
0,5% of reading ±1 digit
0,5% of reading ±1 digit
0,5% of reading ±1 digit

Resistivity resolution:
1 Ω/cm/0,1 MΩ/cm
1 Ω/cm/0,1 MΩ/cm
1 Ω/cm/0,1 MΩ/cm
1 Ω/cm/0,1 MΩ/cm

Salinity range:
0,06 - 80,00 psu/0,05 - 42,00 ppt
0,06 - 80,00 psu/0,05 - 42,00 ppt
0,06 - 80,00 psu/0,05 - 42,00 ppt
0,06 - 80,00 psu/0,05 - 42,00 ppt

Salinity resolution:
0,01 psu or 0,01 ppt minimum, auto ranging
0,01 psu or 0,01 ppt minimum, auto ranging
0,01 psu or 0,01 ppt minimum, auto ranging
0,01 psu or 0,01 ppt minimum, auto ranging

Salinity accuracy:
0,5% of reading ±1 digit
0,5% of reading ±1 digit
0,5% of reading ±1 digit
0,5% of reading ±1 digit

TDS range:
0,001 - 200,0 ppm
0,001 - 200,0 ppm
0,001 - 200,0 ppm
0,001 - 200,0 ppm

TDS resolution:
0,001 ppm minimum, auto ranging up to 4 significant digits
0,001 ppm minimum, auto ranging up to 4 significant digits
0,001 ppm minimum, auto ranging up to 4 significant digits
0,001 ppm minimum, auto ranging up to 4 significant digits

TDS accuracy:
0,5% of reading ±1 digit
0,5% of reading ±1 digit
0,5% of reading ±1 digit
0,5% of reading ±1 digit

TDS conversion factor:
Linear (0,02 - 9,99)
Linear (0,02 - 9,99)
Linear (0,02 - 9,99)
Linear (0,02 - 9,99)

DO concentration:
DO: 0,00 - 90,00 mg/L; RDO: 0,00 - 50,00 mg/L
DO: 0,00 - 90,00 mg/L; RDO: 0,00 - 50,00 mg/L
DO: 0,00 - 90,00 mg/L; RDO: 0,00 - 50,00 mg/L
DO: 0,00 - 90,00 mg/L; RDO: 0,00 - 50,00 mg/L

DO concentration resolution:
0,01/0,1 mg/L
0,01/0,1 mg/L
0,01/0,1 mg/L
0,01/0,1 mg/L

DO saturation:
0,0 - 600,0 %
0,0 - 600,0 %
0,0 - 600,0 %
0,0 - 600,0 %

DO accuracy:
DO: ±0,2 mg/l or ±2% of reading (whichever is greater)
RDO: ±0,1 mg/l (up to 8 mg/l), ±0,2 mg/l (8 - 20 mg/l), ±10% of reading (up to 50 mg/l)
±2 % saturation or ±2% of reading whichever is greater
DO: ±0,2 mg/l or ±2% of reading (whichever is greater)
RDO: ±0,1 mg/l (up to 8 mg/l), ±0,2 mg/l (8 - 20 mg/l), ±10% of reading (up to 50 mg/l)
±2 % saturation or ±2% of reading whichever is greater
DO: ±0,2 mg/l or ±2% of reading (whichever is greater)
RDO: ±0,1 mg/l (up to 8 mg/l), ±0,2 mg/l (8 - 20 mg/l), ±10% of reading (up to 50 mg/l)
±2 % saturation or ±2% of reading whichever is greater
DO: ±0,2 mg/l or ±2% of reading (whichever is greater)
RDO: ±0,1 mg/l (up to 8 mg/l), ±0,2 mg/l (8 - 20 mg/l), ±10% of reading (up to 50 mg/l)
±2 % saturation or ±2% of reading whichever is greater

DO barometric pressure range:
400 - 850 mmHg
400 - 850 mmHg
400 - 850 mmHg
400 - 850 mmHg

Temperature range:
−5,0...+105,0 °C
−5,0...+105,0 °C
−5,0...+105,0 °C
−5,0...+105,0 °C

Temperature resolution:
0,1 °C
0,1 °C
0,1 °C
0,1 °C

Temperature accuracy:
±0,1 °C
±0,1 °C
±0,1 °C
±0,1 °C

Temperature calibration:
1 point offset
1 point offset
1 point offset
1 point offset

Temperature compensation:
Linear, nLFn (non-linear ultra pure water), nLFu (non-linear ultra pure degassed water), EP (off with warning) or off
Linear, nLFn (non-linear ultra pure water), nLFu (non-linear ultra pure degassed water), EP (off with warning) or off
Linear, nLFn (non-linear ultra pure water), nLFu (non-linear ultra pure degassed water), EP (off with warning) or off
Linear, nLFn (non-linear ultra pure water), nLFu (non-linear ultra pure degassed water), EP (off with warning) or off

Display:
Colour graphic LCD with backlight
Colour graphic LCD with backlight
Colour graphic LCD with backlight
Colour graphic LCD with backlight

Power supply:
Universal AC adapter, 100 - 240 VAC, 0 - 60 Hz,
Universal AC adapter, 100 - 240 VAC, 0 - 60 Hz,
Universal AC adapter, 100 - 240 VAC, 0 - 60 Hz,
Universal AC adapter, 100 - 240 VAC, 0 - 60 Hz,

Compliance:
IP 54
IP 54
IP 54
IP 54

Operating temperature range:
5...45 °C (ambient)
5...45 °C (ambient)
5...45 °C (ambient)
5...45 °C (ambient)

Data logging - log function:
Automatic data logging with Auto-Read, Timed and Single Shot measure modes; manual data logging with Continuous measure mode
Automatic data logging with Auto-Read, Timed and Single Shot measure modes; manual data logging with Continuous measure mode
Automatic data logging with Auto-Read, Timed and Single Shot measure modes; manual data logging with Continuous measure mode
Automatic data logging with Auto-Read, Timed and Single Shot measure modes; manual data logging with Continuous measure mode

Data logging capacity:
2000 points
2000 points
2000 points
2000 points

Languages:
English, Spanish, French, Italian, German, Chinese, Portuguese and Korean
English, Spanish, French, Italian, German, Chinese, Portuguese and Korean
English, Spanish, French, Italian, German, Chinese, Portuguese and Korean
English, Spanish, French, Italian, German, Chinese, Portuguese and Korean

Connections:
BNC (pH or ISE), 8-pin Mini-DIN (temperature), reference pin-tip, 8-pin Mini-DIN (conductivity with temperature probe), 9-pin Mini-DIN (RDO or polarographic DO with temperature probe), 2 stirrer inputs
BNC (pH or ISE), 8-pin Mini-DIN (temperature), reference pin-tip, 8-pin Mini-DIN (conductivity with temperature probe), 9-pin Mini-DIN (RDO or polarographic DO with temperature probe), 2 stirrer inputs
BNC (pH or ISE), 8-pin Mini-DIN (temperature), reference pin-tip, 8-pin Mini-DIN (conductivity with temperature probe), 9-pin Mini-DIN (RDO or polarographic DO with temperature probe), 2 stirrer inputs
BNC (pH or ISE), 8-pin Mini-DIN (temperature), reference pin-tip, 8-pin Mini-DIN (conductivity with temperature probe), 9-pin Mini-DIN (RDO or polarographic DO with temperature probe), 2 stirrer inputs

Outputs:
RS232, USB (2)
RS232, USB (2)
RS232, USB (2)
RS232, USB (2)

No. of channels:
4 - customisable with modules
4 - customisable with modules
4 - customisable with modules
4 - customisable with modules

Calibration:
pH with calibration editing option, ion concentration (ISE) with calibration editing option, relativ
pH with calibration editing option, ion concentration (ISE) with calibration editing option, relativ
pH with calibration editing option, ion concentration (ISE) with calibration editing option, relativ
pH with calibration editing option, ion concentration (ISE) with calibration editing option, relativ