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Thermo Scientific™ Orion Star™ A211 Benchtop pH Meter

Reliably measure pH, mV, ORP and temperature with our benchtop pH meter for advanced lab analysis and printer or computer interfacing.

Pricing & Availability
Specifications

Benchtop pH Meters

Memory	Non-volatile memory preserves data log, calibration log and meter settings
Resolution (pH)	0.001, 0.01, 0.1
Languages	English, Spanish, French, Italian, German and Chinese; Portuguese and Korean Available with Software Update
Measurement Modes	pH,mV,Relative mV,ORP with Temperature
Range (pH)	-2 to 20
Channels	1
Accuracy (pH)	±0.002
Power Supply	Universal AC adapter (included) or 4 AA batteries (sold separately)
Battery Life	800 hr.
Data Management Details	Transfer single, range or all data points to printer or computer
Display Type	LCD, Graphic with Backlight
Resolution (mV)	0.1mV
Data Points	2000 with Date and Time Stamp
Certifications/Compliance	CE, TUV 3-1, FCC Class A
Temperature Probe Calibration	1 point temperature offset calibration
Inputs	BNC (pH or ORP electrode), pin-tip (reference electrode), 8 pin MiniDIN (ATC temperature probe), stirrer input (stirrer probe)
Accuracy (Temperature)	±0.1°C
Weight (Metric)	0.9 kg
Accuracy (mV)	±0.2 or ±0.05%, whichever is greater
Stability	Selectable fast, medium, slow or Smart Stability setting; Selectable off or Automatic Smart averaging setting
Temperature (English) Operating	41°F to 113°F (ambient)
Isopotential Point	7.000pH
AC Adapter	Universal 50-60 Hz, 100-240 VAC power adapter (Cat. No. 1010003)
Log Function Type	Automatic with Auto-Read and Timed Read Modes, Manual with Continuous Read Mode
Calibration	pH with calibration editing option, relative mV, ORP and temperature
Battery Type	4 x AA (sold separately)
Relative Humidity Range	5 to 85%, non-condensing
Calibration Points	1 to 5
Alarm Output	High/low limit alarm, calibration due alarm
IP Rating	IP-54
Temperature Selection	Manual or automatic with ATC temperature probe
Keypad	Comprehensive with menu-specific function keys and dual purpose scroll/shortcut keys
Model	Orion Star A211 pH/mV/RmV/ORP/Temperature Benchtop Meter
Outputs	USB, RS-232
Range (Relative mV)	±2000.0mV
Backlight Option	Yes, selectable
Temperature Range (English)	22.0°F to 221.0°F
Weight (English)	2 lb.
Resolution (Temperature)	0.1°C, 0.1°F
Temperature (Metric) Operating	5°C to 45°C (ambient)
Temperature Range (Metric)	-5°C to +105°C
Methods	10 per channel with password protection
Range (ORP)	±2000.0mV

Thermo Scientific™ Orion™ Versa Star Pro™ Benchtop pH Meter

Get premium performance and ultimate flexibility with our benchtop pH meter for pH, mV, ORP and temperature measurements on customizable color display.

Pricing & Availability
Specifications

Benchtop pH Meters

Power Rating	DC input: 9VDC, 1A
Memory	Non-volatile memory preserves data log, calibration log and meter settings
Resolution (pH)	0.001, 0.01, 0.1
Languages	English, Spanish, French, Italian, German, Chinese, Portuguese and Korean
Measurement Modes	pH,mV,Relative mV,ORP with Temperature
Range (pH)	-2 to 20
Channels	4 - customizable with modules
Accuracy (pH)	±0.002
Power Supply	Universal AC adapter (included)
Data Management Details	Transfer single, range or all data points to printer or computer
Display Type	LCD, Color Graphic with User-Customizable Options
Resolution (mV)	0.1mV
Data Points	2000 with Date and Time Stamp
Certifications/Compliance	CE, TUV 3-1, FCC Class A
Temperature Probe Calibration	1 point temperature offset calibration
Inputs	BNC (pH or ORP electrode), pin-tip (reference electrode), 8 pin MiniDIN (ATC temperature probe), two stirrer inputs (stirrer probe)
Accuracy (Temperature)	±0.1°C
Weight (Metric)	1.2 kg, modules add 0.2 kg each
Accuracy (mV)	±0.2 or ±0.05%, whichever is greater
Stability	Selectable fast, medium, slow or Smart Stability setting; Selectable off or Automatic Smart averaging setting
Temperature (English) Operating	41°F to 113°F (ambient)
Isopotential Point	7.000pH (adjustable)
AC Adapter	Universal 50-60 Hz, 100-240 VAC power adapter (Cat. No. STARA-PWR)
Log Function Type	Automatic with Auto-Read, Timed and Single Shot Measure Modes; Manual
Calibration	pH with calibration editing option, relative mV, ORP and temperature
Relative Humidity Range	5 to 85%, non-condensing
Calibration Points	1 to 6
Alarm Output	Set point alarm, high/low limit alarm, calibration due alarm
IP Rating	IP-54
Temperature Selection	Manual or automatic with ATC temperature probe
Keypad	Numeric with menu-specific function keys and dual purpose scroll/shortcut keys
Outputs	USB, RS-232
Range (Relative mV)	±2000.0mV
Backlight Option	Yes
Temperature Range (English)	22.0°F to 221.0°F
Weight (English)	2.5 lb., modules add 0.5 lb. each
Resolution (Temperature)	0.1°C, 0.1°F
Temperature (Metric) Operating	5°C to 45°C (ambient)
Temperature Range (Metric)	-5°C to +105°C
Methods	10 per channel
Range (ORP)	±2000.0mV

METTLER TOLEDO™ SevenExcellence™ S400 Benchtop pH Meter

The S400 meter measures pH, redox/ORP, and ISFET. It can be expanded with additional modules to measure conductivity, resistivity, DO, BOD, ISE, salinity, and TDS. It has an intuitive touchscreen, the ability to create measurement shortcuts, and can export data to a printer, Excel, or LIMS system.

Pricing & Availability
Specifications

Benchtop pH Meters

Accuracy (mV)	±0.1
Resolution (Conductivity)	0.001 to 1
Range (Conductivity)	0.001μS/cm to 2000mS/cm
Resolution (pH)	0.001, 0.01, 0.1
Range (pH)	-2 to 20
Accuracy (pH)	±0.002
Display Type	TFT
Resolution (mV)	0.1/1mV
Outputs	USB, RS-232, Ethernet
Data Points	20,000
Calibration Points (pH)	Max. 5 points, 8 pre-defined and 20 user-defined buffer group
Resolution (Temperature)	0.1°C
Temperature Range (Metric)	-30°C to +130°C
Range (mV)	-2000 to 2000
Accuracy (Temperature)	±0.1°C
Calibration Points (Conductivity)	13 pre-defined and 20 user-defined standard

Thermo Scientific™ Orion Star™ A214 pH/ISE Benchtop Meter

Reliably measure pH, ion concentration, mV, ORP and temperature with our pH/ISE benchtop meter for advanced lab analysis and interfacing.

Pricing & Availability
Specifications

Multiparameter Meters

Memory	Non-volatile memory preserves data log, calibration log and meter settings
Advanced ISE Functions	Segmented (point-to-point) slope, non-linear selectable auto-blank, low concentration range stabilit
Resolution (pH)	0.1/0.01/0.001
Languages	English, Spanish, French, Italian, German and Chinese; Portuguese and Korean available with software update
Measurement Modes	pH,mV,Relative mV,ORP,Ion Concentration (ISE) with Temperature
Resolution (ISE)	0.0001 minimum, 1 to 3 significant digits (user selectable)
Power Supply	Universal AC adapter (included) or 4 AA batteries (sold separately)
Data Management Details	Transfer single, range or all data points to printer or computer
Battery Life	800 hr.
Display Type	LCD Graphic, Backlit
Resolution (mV)	0.1mV
Data Points	2000 with date and time stamp
Temperature Probe Calibration	1 point temperature offset calibration
Certifications/Compliance	CE, TUV 3-1, FCC Class A
Accuracy (mV)	±0.2 mV or ±0.05% of reading whichever is greater
Accuracy (ISE)	±0.2 mV or ±0.05% of reading whichever is greater
Warranty	3 Year Meter
Temperature Accuracy	±0.1°C
Stability	Selectable fast, medium, slow or Smart Stability setting; Selectable off or Automatic Smart averaging setting
Calibration Points (ISE)	1 to 5
Log Function Type	Automatic data logging with Auto-Read and Timed measure modes; manual data logging with Continuous m
Battery Type	4 AA (sold separately)
Relative Humidity Range	5 to 85 %, non-condensing
Dimensions (L x W x H)	24cm x 18cm x 11cm (9.5 in. x 7.1 in. x 4.3 in.)
Temperature Selection	Manual or automatic with ATC temperature probe
Keypad	Comprehensive with menu-specific function keys and dual purpose scroll/shortcut keys
Outputs	USB, RS232
Temperature Range (English)	22.0°F to 221.0° F
Range (Relative mV)	±2000.0 mV
Calibration Points (pH)	1 to 5
Backlight Option	Yes, selectable
Range (mV)	±2000.0 mV
Range (ORP)	±2000.0 mV
Methods	10 per channel with password protection
Range (pH)	-2.000 to 20.000
Channels	1
Accuracy (pH)	±0.002
Range (ISE)	0.0001 to 19900 with selectable units of ppm, Molar, mg/L, %, ppb or none
Inputs	BNC (pH, ORP or ion selective electrode), pin-tip (reference electrode), 8 pin MiniDIN (ATC temperature probe), stirrer input (stirrer probe)
Weight (Metric)	0.9 kg
Temperature (English) Operating	41°F to 113°F (ambient)
Isopotential Point	7.000pH
AC Adapter	Universal 50-60 Hz, 100-240 VAC power adapter (Cat. No. 1010003)
Calibration	pH with calibration editing option, ion concentration (ISE) with calibration editing option, relativ
Calibration Points	1 point relative mV (RmV) mode, 1 point ORP mode
Alarm Output	High/low limit alarm, calibration due alarm
IP Rating	IP 54
Model	Orion Star A214 pH/ISE/mV/RmV/ORP/Temperature Benchtop Meter
Weight (English)	2 lb.
Temperature (Metric) Operating	5°C to 45°C (ambient)
Temperature Range (Metric)	-5.0°C to +105.0°C
Temperature Resolution	0.1°C, 0.1°F

Thermo Scientific™ Orion™ Dual Star™ pH, ISE, mV, ORP and Temperature Dual Channel Benchtop Meter

Accurately monitor pH, ion concentration, mV, ORP and temperature on two channels with our pH/ISE benchtop meter for advanced lab analysis.

Pricing & Availability
Specifications

ISE Concentration Meters

Temperature (Metric) Range	-5.0°C to +105.0°C
Memory	Non-volatile memory preserves data log, calibration log and meter settings
Advanced ISE Functions	Segmented (point-to-point) slope, non-linear selectable auto-blank, low concentration range stabilit
Resolution (pH)	0.1, 0.01, 0.001
Languages	English, Spanish, French, Italian and German
Measurement Modes	pH,mV,Relative mV,ORP,Ion Concentration (ISE) with Temperature
Range (pH)	-2.000 to 19.999
Resolution (ISE)	0.0001 minimum, 1 to 3 significant digits (user selectable)
Channels	2
Accuracy (pH)	±0.002
Power Supply	Universal AC adapter (included)
Range (ISE)	0.0001 to 19,900 in ppm, M, mg/L, % or unit-less
Data Management Details	Transfer single, range or all data points to printer or computer
Display Type	Graphic LCD with Backlight
Resolution (mV)	0.1 mV
Data Points	1000 with date and time stamp
Temperature Probe Calibration	1 point temperature offset calibration
Certifications/Compliance	CE, TUV 3-1, FCC Class A
Inputs	Two BNC (pH, ORP or ion selective electrode), two pin-tip (reference electrode), two 8 pin MiniDIN (ATC temperature probe), stirrer input (stirrer probe)
Accuracy (Temperature)	±0.1°C
Weight (Metric)	0.9 kg
Accuracy (mV)	±0.2 mV or ±0.05% of reading whichever is greater
Accuracy (ISE)	±0.2 mV or ±0.05% of reading whichever is greater
Electrical Requirements	90 to 260 VAC 50/60 Hz
Warranty	3 Year Meter Warranty
Stability	Smart Stability and Smart Averaging
Calibration Points (ISE)	2 to 6
Temperature (English) Operating	41°F to 113°F (ambient)
Isopotential Point	7.000 pH (adjustable), 1.000 ISE (adjustable)
AC Adapter	Universal 50 to 60 Hz, 100 to 240 VAC power adapter (Cat. No. 1010003)
Log Function Type	Automatic data logging with Auto-Read, On Ready, At Timed Intervals, Value Change In Measurement and
Calibration	pH with calibration editing option, ion concentration (ISE) with calibration editing option, relativ
Relative Humidity Range	5 to 85 %, non-condensing
Calibration Points	1 point relative mV (RmV) mode, 1 point ORP mode
Alarm Output	High/low limit alarm
Dimensions (L x W x H)	24 x 17 x 9 cm (9.5 x 6.7 x 3.5 in.)
Temperature Selection	Manual or automatic with ATC temperature probe
Keypad	Numeric with menu-specific function keys and dual purpose scroll/shortcut keys
Model	Orion Dual Star pH/ISE/mV/RmV/ORP/Temperature Dual Channel Benchtop Meter
Outputs	USB, RS232
Range (Relative mV)	±1999.9 mV
Calibration Points (pH)	1 to 6
Backlight Option	Yes, adjustable
Weight (English)	2 lb.
Resolution (Temperature)	0.1°C, 0.1°F
Temperature (Metric) Operating	5°C to 45°C (ambient)
Range (mV)	±1999.9 mV
Range (ORP)	±1999.9 mV
Methods	10 per channel with password protection

METTLER TOLEDO™ SevenExcellence™ S700 Conductivity Benchtop Meter

The S700 meter measures conductivity, resistivity, TDS, and salinity. Its capabilities can be expanded with additional modules to measure pH, dissolved oxygen, ISE, BOD, Redox/ORP, and ISFET. Features an intuitive touchscreen and the ability to create measurement shortcuts.

Pricing & Availability
Specifications

Conductivity Meters

Calibration Points	13 Pre defined and 20 user defined standard
Temperature Compensation	20°C
Range (Resistivity)	0.01 to 100 megohm/cm
Range (Conductivity)	0.001 μS/cm to 2000 mS/cm
Accuracy (Conductivity)	±0.5%
Sensor Types	Conductivity
Data Points	At least 20000 data points, 250 analyses
Range (TDS)	0.001 mg/L to 1000 g/L
Resolution (Temperature)	0.1°C
Temperature Range (Metric)	-30°C to +130°C
Inputs	Integrated interfaces (USB, RS232 and Ethernet)
Accuracy (Temperature)	±0.1°C
Range (Salinity)	0 to 80 psu

METTLER TOLEDO™ SevenExcellence™ S500 pH/ISE Benchtop Meter

The S500 meter performs ion selective (ISE), pH, redox/ORP, and ISFET measurements. It can be expanded with additional modules to measure conductivity, resistivity, DO, salinity, TDS, and BOD. It has an intuitive touchscreen and the ability to create measurement shortcuts.

Pricing & Availability
Specifications

Multiparameter Meters

Range (Resistivity)	0.001 μS/cm to 2000 mS/cm
Memory	250 analyses (20.000 data points)
Resolution (pH)	0.001/0.01/0.1
Languages	Chinese, Chinese (TW), Croatian, Czech, Danish, Dutch, English (GB), English (US), French, German, Hungarian, Indonesian, Italian, Japanese, Korean, Norwegian, Polish, Portuguese (BR), Russian, Slovak, Slovenian, Spanish, Swedish, Thai, Turkish, Vietnamese
Range (pH)	-2 to 20
Range (Concentration)	0.001 to 999999mg/L ppm, 0.0001 to 100mol/L %, 0.001 to 100000mmol/L
Resolution (ISE)	0.001 to 1
Channels	Single-channel
Accuracy (pH)	±0.002
Range (ISE)	0 to 999999mg/L
Range (Salinity)	0.001 μS/cm to 2000 mS/cm
Display Type	TFT
Resolution (Salinity)	0.001 to 1
Resolution (mV)	0.1/1mV
Data Points	20,000
Calibration Points (Conductivity)	13 Pre defined and 20 user defined standard
Accuracy (mV)	±0.1mV
Temperature Accuracy	±0.1°C
Calibration Points (ISE)	Max. 5 points, 8 pre defined and 20 user defined buffer group
Resolution (Resistivity)	0.001 to 1
Resolution (Conductivity)	0.001 to 1
Accuracy (Concentration)	±0.5%
Range (Conductivity)	0.001 μS/cm to 2000 mS/cm
Range (TDS)	0.001 μS/cm to 2000 mS/cm
Resolution (TDS)	0.001 to 1
Outputs	RS232, USB-A, USB-B, LAN, Mini-LTW, Mini-DIN, BNC, Cinch/RCA
Calibration Points (pH)	Max. 5 points, 8 pre defined and 20 user defined buffer group
Temperature Range (Metric)	-30°C to +130°C
Range (mV)	-2000 to 2000 mV
Temperature Resolution	0.1°C

METTLER TOLEDO™ SevenExcellence™ S470 pH/Conductivity Benchtop Meter

The S470 meter measures pH, conductivity, resistivity, redox/ORP, TDS, salinity, and ISFET. It can be expanded with additional modules to measure dissolved oxygen, BOD, and ISE. It has an intuitive touchscreen, measurement shortcuts, and can export data to a printer, Excel file, or LIMS system.

Pricing & Availability
Specifications

Multiparameter Meters

Range (Resistivity)	0.01 to 100megohm/cm
Resolution (pH)	0.001/0.01/0.1
Range (pH)	-2 to 20
Resolution (ISE)	0.001 to 1
Accuracy (pH)	±0.002
Range (ISE)	0 to 999999mg/L
Range (Salinity)	0 to 80 ppt
Display Type	TFT
Resolution (Salinity)	0.001 to 1
Accuracy (Conductivity)	±0.5%
Resolution (mV)	0.1/1mV
Data Points	20,000
Calibration Points (Conductivity)	13 Pre defined and 20 user defined standard
Accuracy (mV)	±0.1mV
Temperature Accuracy	±0.1°C
Calibration Points (ISE)	Max. 5 points, 8 pre defined and 20 user defined buffer group
Resolution (Resistivity)	0.001 to 1
Resolution (Conductivity)	0.001μS/cm to 2000mS/cm
Range (Conductivity)	0.001 μS/cm to 2000 mS/cm
Range (TDS)	0.001 mg/L to 1000 g/L
Resolution (TDS)	0.001 to 1
Outputs	RS232, USB-A, USB-B, LAN, Mini-LTW, Mini-DIN, BNC, Cinch/RCA
Calibration Points (pH)	Max. 5 points, 8 pre defined and 20 user defined buffer group
Temperature Range (Metric)	-30°C to +130°C
Range (mV)	-2000 to 2000 mV
Temperature Resolution	0.1°C

METTLER TOLEDO™ S900 SevenExcellence™ Dissolved Oxygen/BOD Benchtop Meter

The S900 is a dissolved oxygen(DO)/biological oxygen demand (BOD) meter. It can be expanded with additional modules to measure pH, conductivity, ISE, salinity, TDS, and Redox/ORP. It has an intuitive touchscreen, measurement shortcuts, and can export data to a printer, Excel file, or LIMS system.

Pricing & Availability
Specifications

Multiparameter Meters

Accuracy	±1
Accuracy (Concentration)	±0.1mg/L from 0 to 8; ±0.2mg/L from 8 to 20; ±10% from 20 to 50
Range (DO)	0.000 to 50mg/L (ppm)
Resolution	0.001 (display)

Thermo Scientific™ Orion Star™ A212 Conductivity Benchtop Meter

Reliably measure conductivity, TDS, salinity, resistivity and temperature with this conductivity benchtop meter for advanced lab analysis.

Pricing & Availability
Specifications

Conductivity Meters

Salinity Measurement Modes	Practical salinity (psu) or natural sea water (ppt)
Range (Resistivity)	2 ohm to 100.0 megohm
Memory	Non-volatile memory preserves data log, calibration log and meter settings
Languages	English, Spanish, French, Italian, German and Chinese; Portuguese and Korean available with software update
Measurement Modes	Conductivity,TDS,Salinity,Resistivity with Temperature
Power Supply	Universal AC adapter (included) or 4 AA batteries (sold separately)
Battery Life	800 hr.
Data Management Details	Transfer single, range or all data points to printer or computer
Display Type	Graphic LCD with Backlight
Data Points	2000 with date and time stamp
Certifications/Compliance	CE, TUV 3-1, FCC Class A
Temperature Probe Calibration	1 point temperature offset calibration
Stability	Selectable fast, medium, slow or Smart Stability setting; Selectable off or Automatic Smart averaging setting
Warranty	3 Year Meter
Resolution (Conductivity)	0.001 μS minimum, auto ranging up to 4 significant digits
Range (Conductivity)	0.001 μS/cm to 3000 mS/cm
Log Function Type	Automatic data logging with Auto-Read and Timed measure modes; manual data logging with Continuous m
Battery Type	4 x AA (sold separately)
Relative Humidity Range	5 to 85%, non-condensing
Dimensions (L x W x H)	24 x 18 x 11 cm (9.5 x 7.1 x 4.3 in.)
Accuracy (TDS)	0.5% of reading ±1 digit
Temperature Selection	Manual or automatic with ATC temperature probe
Keypad	Comprehensive with menu-specific function keys and dual purpose scroll/shortcut keys
Outputs	USB, RS232
Backlight Option	Yes, selectable
Compatible Probes	2-cell or 4-cell conductivity sensors with built-in temperature
Methods	10 per channel with password protection
Cell Constant	0.001 to 199.9cm-1
Temperature (Metric) Reference	5, 10, 15, 20, 25°C
Channels	1
TDS Factor Range	Linear (0.02 to 9.99)
Range (Salinity)	0.06 to 80.00 psu, 0.05 to 42.00 ppt
Temperature Compensation	Linear, nLFn (non-linear ultra pure water), nLFu (non-linear ultra pure degassed water), EP (off wit
Accuracy (Salinity)	0.5% of reading ±1 digit
Resolution (Salinity)	0.01 psu or 0.01 ppt minimum, auto ranging
Accuracy (Conductivity)	0.5% of reading ±1 digit > 3 μS; 0.5% of reading ±0.01 μS ≤ 3 μS
Inputs	8 pin MiniDIN (conductivity sensor with built-in temperature), stirrer input (stirrer probe)
Accuracy (Temperature)	±0.1°C
Weight (Metric)	0.9 kg
Calibration Points (Conductivity)	5
Temperature (English) Operating	41°F to 113°F (ambient)
Resolution (Resistivity)	1 ohm or 0.1 megohm, auto ranging
Accuracy (Resistivity)	0.5% of reading ±1 digit
AC Adapter	Universal 50-60 Hz, 100-240 VAC power adapter (Cat. No. 1010003)
Resolution (TDS)	0.001 ppm minimum, auto ranging up to 4 significant digits
Calibration	Conductivity with calibration editing option and temperature
Alarm Output	High/low limit alarm, calibration due alarm
IP Rating	IP54
Model	Orion Star A212 Conductivity/TDS/Salinity/Resistivity/Temperature Benchtop Meter
Weight (English)	2 lb.
Resolution (Temperature)	0.1°C (0.1°F)
Temperature (Metric) Operating	5°C to 45°C (ambient)
Temperature Range (Metric)	-5°C to +105°C

Thermo Scientific™ Orion Star™ A213 Dissolved Oxygen Benchtop Meter

Reliably measure dissolved oxygen (RDO optical/polarographic) and temperature with this benchtop meter for advanced lab analysis.

Pricing & Availability
Specifications

Dissolved Oxygen Meters

Temperature (Metric) Range	0.0°C to 50.0°C
Resolution (Polarographic DO)	0.01, 0.1mg/L
Pressure Range	400 to 850mmHg
Memory	Non-volatile memory preserves data log, calibration log and meter settings
Languages	English, Spanish, French, Italian, German and Chinese; Portuguese and Korean available with software update
Measurement Modes	Dissolved Oxygen (% Saturation),Dissolved Oxygen (mg/L with Temperature and Barometric Pressure)
Power Supply	Universal AC adapter (included) or 4 AA batteries (sold separately)
Barometric Pressure Correction	400 to 850mmHg, automatic using built-in barometer or manual entry
Battery Life	800 hours
Data Management Details	Transfer single, range or all data points to printer or computer
Display Type	Graphic LCD with Backlight
Data Points	2000 with date and time stamp
Calibration Modes	Water-saturated air, air-saturated water, manual (Winkler titration), zero point
Certifications/Compliance	CE, TUV 3-1, FCC Class A
Temperature Probe Calibration	1 point temperature offset calibration
Salinity Factor	0.0 to 45.0 ppt, automatic correction using manual entry of sample salinity
Stability	Selectable fast, medium, slow or Smart Stability setting; Selectable off or Automatic Smart averaging setting
Warranty	3 Year Meter Warranty
Sensor Types	RDO optical dissolved oxygen sensor or polarographic dissolved oxygen sensor
Percent Saturation Range Polarographic DO	0.0 to 600.0 % saturation
Log Function Type	Automatic data logging with Auto-Read and Timed measure modes; manual data logging with Continuous m
Battery Type	Four AA (sold separately)
Relative Humidity Range	5 to 85 %, non-condensing
Range (RDO)	0.00 to 50.00 mg/L
Dimensions (L x W x H)	24 cm x 18 cm x 11 cm (9.5 in. x 7.1 in. x 4.3 in.)
Percent Saturation Range (RDO)	0.0 to 500.0 % saturation
Temperature Selection	Automatic with ATC temperature probe
Keypad	Comprehensive with menu-specific function keys and dual purpose scroll/shortcut keys
Outputs	USB, RS232
Backlight Option	Yes, selectable
Percent Saturation Relative Accuracy (RDO)	±2 % saturation ≤ 200 % saturation, ±10 % saturation > 200 % saturation
Range (Polarographic DO)	0.00 to 90.00 mg/L
Accuracy (Barometer)	±6mmHg
Methods	10 per channel with password protection
Pressure Resolution	1mmHg
Channels	1
Resolution (RDO)	0.01, 0.1mg/L
Percent Saturation Resolution (RDO)	0.1, 1 % saturation
Percent Saturation Relative Accuracy (Polarographic DO)	±2 % saturation or ±2% of reading whichever is greater
Inputs	9 pin MiniDIN (RDO optical or polarographic DO sensor with built-in temperature), stirrer input (stirrer probe)
Accuracy (Temperature)	±0.1°C
Weight (Metric)	0.9 kg
Temperature (English) Operating	41°F to 113°F (ambient)
Accuracy (Polarographic DO)	±0.2mg/L or ±2% of reading, whichever is greater
AC Adapter	Universal 50-60 Hz, 100-240 VAC power adapter (Cat. No. 1010003)
Alarm Output	High/low limit alarm, calibration due alarm
IP Rating	IP-54
Percent Saturation Resolution (Polarographic DO)	0.1, 1 % saturation
Model	Orion Star A213 RDO Optical/Dissolved Oxygen/Temperature Benchtop Meter
Weight (English)	2 lb.
Resolution (Temperature)	0.1°C (0.1°F)
Temperature (Metric) Operating	5°C to 45°C (ambient)
Percent Saturation Range (Polarographic DO)	0.0 to 600.0 % saturation
Accuracy (RDO)	±0.1mg/L up to 8mg/L, ±0.2mg/L from 8 to 20mg/L, ±10% of reading up to 50mg/L

Thermo Scientific™ Orion™ Versa Star Pro™ DO Benchtop Meter

Get premium performance and flexibility with this benchtop meter with module for dissolved oxygen (optical/polarographic) and temperature.

Pricing & Availability
Specifications

Dissolved Oxygen Meters

Power Rating	DC input: 9VDC, 1A
Temperature (Metric) Range	-5.0°C to +105.0°C
Resolution (Polarographic DO)	0.01, 0.1mg/L
Pressure Range	400 to 850mmHg
Memory	Non-volatile memory preserves data log, calibration log and meter settings
Languages	English, Spanish, French, Italian, German, Chinese, Portuguese and Korean
Measurement Modes	Dissolved Oxygen (% Saturation),Dissolved Oxygen (mg/L with Temperature and Barometric Pressure)
Power Supply	Universal AC adapter (included)
Barometric Pressure Correction	400 to 850mmHg, automatic using built-in barometer or manual entry
Data Management Details	Transfer single, range or all data points to printer or computer
Display Type	Color graphic LCD with user-customizable options
Data Points	2000 with date and time stamp
Calibration Modes	Water-saturated air, air-saturated water, manual (Winkler titration), zero point
Certifications/Compliance	CE, TUV 3-1, FCC Class A
Temperature Probe Calibration	1 point temperature offset calibration
Salinity Factor	0.0 to 45.0 ppt, automatic correction using manual entry of sample salinity
Stability	Selectable fast, medium, slow or Smart Stability setting; Selectable off or Automatic Smart averaging setting
Warranty	3 year meter and module warranty
Sensor Types	RDO optical dissolved oxygen sensor or polarographic dissolved oxygen sensor
Percent Saturation Range Polarographic DO	0.0 to 600.0 % saturation
Log Function Type	Automatic data logging with Auto-Read, Timed and Single Shot measure modes; manual data logging with
Relative Humidity Range	5 to 85 %, non-condensing
Range (RDO)	0.00 to 50.00 mg/L
Dimensions (L x W x H)	28 cm x 24 cm x 10 cm (11 in. x 9.5 in. x 3.9 in.), modules add ≤ 2 cm (0.8 in.) L & H
Percent Saturation Range (RDO)	0.0 to 500.0 % saturation
Temperature Selection	Automatic with ATC temperature probe
Keypad	Numeric with menu-specific function keys and dual purpose scroll/shortcut keys
Outputs	USB (2), RS232
Backlight Option	Yes
Percent Saturation Relative Accuracy (RDO)	±2 % saturation ≤ 200 % saturation, ±10 % saturation > 200 % saturation
Range (Polarographic DO)	0.00 to 90.00 mg/L
Accuracy (Barometer)	±6mmHg
Methods	10 per channel
Pressure Resolution	0.1mmHg
Channels	4 - customizable with modules
Resolution (RDO)	0.01, 0.1mg/L
Percent Saturation Resolution (RDO)	0.1, 1 % saturation
Percent Saturation Relative Accuracy (Polarographic DO)	±2 % saturation or ±2% of reading whichever is greater
Inputs	9 pin MiniDIN (RDO optical or polarographic DO sensor with built-in temperature), two stirrer inputs (stirrer probe)
Accuracy (Temperature)	±0.1°C
Weight (Metric)	1.2 kg, modules add 0.2 kg each
Temperature (English) Operating	41°F to 113°F (ambient)
Accuracy (Polarographic DO)	±0.2mg/L or ±2% of reading, whichever is greater
AC Adapter	Universal 50-60 Hz, 100-240 VAC power adapter (Cat. No. STARA-PWR)
Alarm Output	Set point alarm, high/low limit alarm, calibration due alarm
IP Rating	IP-54
Percent Saturation Resolution (Polarographic DO)	0.1, 1 % saturation
Weight (English)	2.5 lb., modules add 0.5 lb. each
Resolution (Temperature)	0.1°C (0.1°F)
Temperature (Metric) Operating	5°C to 45°C (ambient)
Percent Saturation Range (Polarographic DO)	0.0 to 600.0 % saturation
Accuracy (RDO)	±0.1mg/L up to 8mg/L, ±0.2mg/L from 8 to 20mg/L, ±10% of reading up to 50mg/L

METTLER TOLEDO™ SevenExcellence™ S475 pH/Conductivity/ISE Benchtop Meter

The S475 meter performs pH, conductivity, resistivity, ion selective, salinity, TDS, Redox/ORP, and ISFET measurements. It can be expanded with an additional module to measure DO/BOD. It has an intuitive touchscreen, measurement shortcuts, and can export data to a printer, Excel, or LIMS system.

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Multiparameter Meters

Thermo Scientific™ Orion™ Versa Star Pro™ Conductivity Benchtop Meter

Get high accuracy, premium performance and ultimate flexibility with this conductivity benchtop meter designed for conductivity, total dissolved solids (TDS), salinity, resistivity and temperature.

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Specifications

Conductivity Meters

Power Rating	DC input: 9VDC, 1A
Salinity Measurement Modes	Practical salinity (psu) or natural sea water (ppt)
Range (Resistivity)	2 ohm to 100.0 megohm
Memory	Non-volatile memory preserves data log, calibration log and meter settings
Languages	English, Spanish, French, Italian, German, Chinese, Portuguese and Korean
Measurement Modes	Conductivity,TDS,Salinity,Resistivity with Temperature
Power Supply	Universal AC adapter (included)
Data Management Details	Transfer single, range or all data points to printer or computer
Display Type	Color Graphic LCD with User-customizable Options
Data Points	2000 with date and time stamp
Certifications/Compliance	CE, TUV 3-1, FCC Class A
Temperature Probe Calibration	1 point temperature offset calibration
Stability	Selectable fast, medium, slow or Smart Stability setting; Selectable off or Automatic Smart averaging setting
Resolution (Conductivity)	0.001 μS minimum, auto ranging up to 4 significant digits
Range (Conductivity)	0.001 μS/cm to 3000 mS/cm
Log Function Type	Automatic data logging with Auto-Read, Timed and Single Shot measure modes; manual data logging with
Relative Humidity Range	5 to 85%, non-condensing
Dimensions (L x W x H)	28 x 24 x 10 cm (11 x 9.5 x 3.9 in.), modules add ≤ 2 cm (0.8 in.) L & H
Accuracy (TDS)	0.5% of reading ±1 digit
Temperature Selection	Manual or automatic with ATC temperature probe
Keypad	Numeric with menu-specific function keys and dual purpose scroll/shortcut keys
Outputs	USB (2), RS232
Backlight Option	Yes
Compatible Probes	2-cell or 4-cell conductivity sensors with built-in temperature
Methods	10 per channel
Cell Constant	0.001 to 199.9cm-1
Temperature (Metric) Reference	5, 10, 15, 20, 25°C
Channels	4 - customizable with modules
TDS Factor Range	Linear (0.02 to 9.99)
Range (Salinity)	0.06 to 80.00 psu, 0.05 to 42.00 ppt
Temperature Compensation	Linear, nLFn (non-linear ultra pure water), nLFu (non-linear ultra pure degassed water), EP (off wit
Accuracy (Salinity)	0.5% of reading ±1 digit
Resolution (Salinity)	0.01 psu or 0.01 ppt minimum, auto ranging
Accuracy (Conductivity)	0.5% of reading ±1 digit > 3 μS; 0.5% of reading ±0.01 μS ≤ 3 μS
Inputs	8 pin MiniDIN (conductivity sensor with built-in temperature), two stirrer inputs (stirrer probe)
Accuracy (Temperature)	±0.1°C
Weight (Metric)	1.2 kg, modules add 0.2 kg each
Calibration Points (Conductivity)	6
Temperature (English) Operating	41°F to 113°F (ambient)
Resolution (Resistivity)	1 ohm or 0.1 megohm, auto ranging
Accuracy (Resistivity)	0.5% of reading ±1 digit
AC Adapter	Universal 50-60 Hz, 100-240 VAC power adapter (Cat. No. STARA-PWR)
Resolution (TDS)	0.001 ppm minimum, auto ranging up to 4 significant digits
Calibration	Conductivity with calibration editing option and temperature
Alarm Output	Set point alarm, high/low limit alarm, calibration due alarm
IP Rating	IP54
Weight (English)	2.5 lb., modules add 0.5 lb. each
Resolution (Temperature)	0.1°C (0.1°F)
Temperature (Metric) Operating	5°C to 45°C (ambient)
Temperature Range (Metric)	-5°C to +105°C

METTLER TOLEDO™ S600 SevenExcellence™ Dissolved Oxygen Benchtop Meter Kit

The S600 meter kit includes a meter, electrode, and accessories to measure disolved oxygen (DO). The meter can be expanded with additional modules to measure pH, conductivity, and ISE. It has an intuitive touchscreen, measurement shortcuts, and can export data to a printer, Excel, or LIMS system.

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Multiparameter Meters

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