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Thermo Scientific™ Orion™ ROSS Ultra™ Refillable Epoxy Bodied pH/ATC Triode™

Accurately measure pH and temperature together in just one electrode, with a built-in temperature sensor.

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Specifications

pH, ORP, and Titration, Combination Electrodes

Warranty	2 Years
Length (Metric) Cable	1 m
Length (Metric)	120 mm
Isopotential Point	7
pH Range	0 to 14
Material	Chemical Resistant Glass Body
Type	pH/ATC Combination Electrode
Precision	0.01
Diameter (Metric)	12 mm
Filling Solution Type	ROSS electrode 3 M KCl fill solution (Cat. No. 810007)
Junction	Ceramic
pH Relative Accuracy	0.03 pH for buffers using automatic temperature compensation
Temperature (Metric) Operating	0°C to 100°C
Internal Reference	ROSS

Thermo Scientific™ Orion™ ROSS Ultra™ Epoxy Bodied pH/ATC Triode™

Accurately measure pH and temperature together in just one electrode, with a built-in temperature sensor.

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Specifications

pH, ORP, and Titration, Combination Electrodes

Type	pH/ATC Combination Electrode
Warranty	18 Months
Length (Metric)	120 mm
Precision	0.01
Isopotential Point	7
pH Range	0 to 14
Diameter (Metric)	12 mm
Filling Solution Type	None required
Material	Rugged Epoxy Body, Filled with Low Maintenance Gel
Junction	Glass Capillary
pH Relative Accuracy	0.03 pH for buffers using automatic temperature compensation
Temperature (Metric) Operating	0°C to 80°C
Internal Reference	ROSS

Thermo Scientific™ Orion™ Triode™ 3-in-1 pH/Automatic Temperature Compensation Probe

Operate the highly-versatile 3-in-1 pH/automatic Ttemperature compensation probe in either the field or a plant.

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Automatic Temperature Compensation Probes

Diameter (English) Body	0.47 in.
Description	pH/ATC Triode
Length (Metric)	120 mm
Temperature (English) Operating	32°F to 176°F
pH Range	0 to 14
Length (English)	4.7 in.
Diameter (Metric) Cap	16 mm
Junction	Wick
Material	Epoxy
Diameter (Metric) Body	12 mm
For Use With (Application)	The Thermo Scientific Orion 9107BN Triode 3-in-1 pH/automatic temperature compensation probe has a low maintenance gel filled electrode with built-in ATC.For field or plant use.
Temperature (Metric) Operating	0°C to 80°C
Reference Type	Ag/AgCl

Thermo Scientific™ Orion™ Combination pH Electrodes

Environmentally friendly lab pH electrodes to meet RoHS requirements by containing no lead, mercury or other hazardous substances — making disposal of old electrodes easy and hassle free.

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pH, ORP, and Titration, Combination Electrodes

Length (Metric) Cable	1 m
For Use With (Equipment)	Orion pH Meter
pH Range	0 to 14
Length (English) Cable	39.3 in.
Material	Epoxy Body
Temperature (Metric) Operating	0°C to 90°C

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.

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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

Thermo Scientific™ Orion Lab Star PH111 Bench pH Meters

Orion Lab Star PH111 benchtop pH meters measure pH or ORP with mV and temperature, feature a large backlit display for easy viewability, and offer small footprint to save bench space. The Orion Lab Star pH meter is ideal for simplified, budget-friendly lab testing and data recording.

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Specifications

Benchtop pH Meters

Memory	Non-volatile
Resolution (pH)	0.001, 0.01, 0.1
Measurement Modes	pH with mV and Temperature,ORP with mV and Temperature
Data Management Details	Transfer single or all data points to printer or computer
Display Type	LCD, 5 in. Backlit
Resolution (mV)	0.1 mV
Data Points	500 with Date and Time Stamp
Certifications/Compliance	CE, TUV 3-1, FCC Class A
Temperature Probe Calibration	1 point temperature offset calibration
Inputs	BNC for pH or ORP, 8-pin MiniDIN for ATC
Accuracy (Temperature)	±0.3°C/±0.5°F
Weight (Metric)	700 grams
Accuracy (mV)	±0.2 or ±0.05%, whichever is greater
Warranty	3 year meter warranty
AC Adapter	Universal 100-240 V 50/60 Hz power supply with twist-and-lock meter connection and interchangeable wall plugs for US/Japan, Euro, UK/Singapore, Australia/New Zealand and China outlets
Log Function Type	Automatic with Auto-Read and Timed Read Modes, Manual with Continuous Read Mode
Calibration	pH, ORP and temperature
Calibration Points	1 (ORP)
Alarm Output	Calibration reminder alarm
IP Rating	IP54
Temperature Selection	Manual or automatic with ATC temperature probe
Outputs	Computer or printer (STARA-106)
Backlight Option	Yes
Temperature Range (English)	23.0°F to 221.0°F
Calibration Points (pH)	1 to 5 points
Weight (English)	1.54 lb.
Resolution (Temperature)	0.1°C, 0.1°F
Temperature Range (Metric)	-5.0°C to +105.0°C
Range (mV)	±2000.0
Range (ORP)	±2000.0 mV with ±250 mV offset

Thermo Scientific™ Orion Star™ A121 Portable pH Meter

Take simple pH and temperature measurements with our portable pH meter with easy operation for basic field testing.

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Specifications

Portable pH Meters

Memory	Non-volatile memory preserves log and settings
Resolution (pH)	0.01, 0.1
Languages	English
Measurement Modes	pH,mV,Relative mV with Temperature
Range (pH)	-2 to 16
Channels	1
Accuracy (pH)	±0.01
Power Supply	4 AA batteries (included) or universal AC adapter (sold separately)
Battery Life	2000 hr.
Data Management Details	Internal Data Point Memory
Display Type	LCD
Resolution (mV)	0.1mV
Data Points	50
Certifications/Compliance	CE, TUV 3-1, FCC Class A
Temperature Probe Calibration	1 point temperature offset calibration
Inputs	BNC (pH or ORP electrode), 8 pin MiniDIN (ATC temperature probe)
Accuracy (Temperature)	±0.1°C
Weight (Metric)	0.5 kg
Accuracy (mV)	±0.2 or ±0.05%, whichever is greater
Stability	Smart Stability and Smart Averaging
Warranty	3 Year Meter Warranty
Temperature (English) Operating	41°F to 113°F (ambient)
Isopotential Point	7.00pH
AC Adapter	Universal 50-60 Hz, 100-240 VAC power adapter (sold separately, Cat. No. 1010003)
Log Function Type	Automatic with Auto-Read Measure Mode, Manual with Continuous Measure Node
Calibration	pH, relative mV (RmV) and temperature
Battery Type	4 x AA
Relative Humidity Range	5 to 85%, non-condensing
Calibration Points	1 to 3
Dimensions (L x W x H)	24 cm x 10 cm x 6.5 cm (9.5 in. x 3.9 in. x 2.6 in.)
IP Rating	IP-67
Temperature Selection	Manual or automatic with ATC temperature probe
Keypad	Simple with highlighted measure key, scroll and shortcut keys
Model	Orion Star A121 Portable pH/mV/RmV/Temperature Meter
Outputs	None
Range (Relative mV)	±1999.9mV
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
Range (mV)	±1600.0

Thermo Scientific™ Orion Star™ A329 pH/ISE/Conductivity/Dissolved Oxygen Portable Multiparameter Meter

Accurately measure pH, ion concentration, conductivity, dissolved oxygen and temperature with our pH/ISE/conductivity/RDO/DO portable meter.

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Specifications

Multiparameter Meters

Salinity Measurement Modes	Practical salinity (psu) or natural sea water (ppt)
Resolution (Polarographic DO)	0.01, 0.1mg/L
Pressure Range	400 to 850mmHg
Range (Resistivity)	2 ohm to 100.0 meg-ohm
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,TDS,ORP with Temperature,Salinity,Conductivity,Resistivity with Temperature
Resolution (ISE)	0.0001 minimum, 1 to 3 significant digits (user selectable)
Power Supply	4 AA batteries (included) or universal AC adapter (sold separately)
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
Battery Life	800 hr.
Display Type	LCD Graphic, Backlit
Resolution (mV)	0.1mV
Data Points	5000 with date and time stamp
Calibration Modes	Water-saturated air, air-saturated water, manual (Winkler titration), zero point
Temperature Probe Calibration	1 point temperature offset calibration
Certifications/Compliance	CE, TUV 3-1, FCC Class A
Salinity Factor	0.0 to 45.0 ppt, automatic correction using conductivity reading or manual entry of sample salinity
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
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
Percent Saturation Range Polarographic DO	0.0 to 600.0 % saturation
Battery Type	4 AA (included)
Relative Humidity Range	5 to 85 %, non-condensing
Range (RDO)	0.00 to 50.00mg/L
Dimensions (L x W x H)	24cm x 10cm x 6.5cm (9.5 in. x 3.9 in. x 2.6 in.)
Accuracy (TDS)	0.5% of reading ±1 digit
Temperature Selection	Manual or automatic with ATC temperature probe
Percent Saturation Range (RDO)	0.0 to 500.0 % saturation
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
Percent Saturation Relative Accuracy (RDO)	±2 % saturation ≤ 200 % saturation, ±10 % saturation > 200 % saturation
Range (Polarographic DO)	0.00 to 90.00mg/L
Range (mV)	±2000.0 mV
Accuracy (Barometer)	±6mmHg
Range (ORP)	±2000.0 mV
Methods	10 per channel with password protection
Pressure Resolution	1mmHg
Cell Constant	0.001 to 199.9cm-1
Temperature (Metric) Reference	5, 10, 15, 20, 25°C
Range (pH)	-2.000 to 20.000
TDS Factor Range	Linear (0.02 to 9.99)
Channels	3
Accuracy (pH)	±0.002
Range (ISE)	0.0001 to 19900 with selectable units of ppm, Molar, mg/L, %, ppb or none
Range (Salinity)	0.06 to 80.00 psu, 0.05 to 42.00 ppt
Resolution (RDO)	0.01, 0.1mg/L
Temperature Compensation	Linear, nLFn (non-linear ultra pure water), nLFu (non-linear ultra pure degassed water), EP (off with warning) or off
Accuracy (Salinity)	0.5% of reading ±1 digit
Resolution (Salinity)	0.01 psu or 0.01 ppt minimum, auto ranging
Percent Saturation Resolution (RDO)	0.1, 1 % saturation
Accuracy (Conductivity)	0.5% of reading ±1 digit > 3 μS; 0.5% of reading ±0.01 μS ≤ 3 μS
Percent Saturation Relative Accuracy (Polarographic DO)	±2 % saturation or ±2% of reading whichever is greater
Inputs	BNC (pH or ORP electrode), pin-tip (reference electrode), 8 pin MiniDIN (conductivity sensor with built-in temperature or ATC temperature probe), 9 pin MiniDIN (RDO optical or polarographic DO sensor with built-in temperature)
Weight (Metric)	0.5 kg
Calibration Points (Conductivity)	Up to 5
Temperature (English) Operating	41°F to 113°F (ambient)
Resolution (Resistivity)	1 ohm or 0.1 meg-ohm, auto ranging
Isopotential Point	7.000pH
Accuracy (Polarographic DO)	±0.2mg/L or ±2% of reading, whichever is greater
Accuracy (Resistivity)	0.5% of reading ±1 digit
AC Adapter	Universal 50-60 Hz, 100-240 VAC power adapter (sold separately, Cat. No. 1010003)
Range (TDS)	0.001 ppm to 200.0 ppt
Resolution (TDS)	0.001 ppm minimum, auto ranging up to 4 significant digits
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 67
Percent Saturation Resolution (Polarographic DO)	0.1, 1 % saturation
Model	Orion Star A329 pH/ISE/mV/RmV/ORP/Conductivity/TDS/Salinity/Resistivity/RDO Optical/Dissolved Oxygen/Temperature Portable Meter
Weight (English)	1.2 lb.
Temperature (Metric) Operating	5°C to 45°C (ambient)
Temperature Range (Metric)	-5.0°C to +105.0°C
Percent Saturation Range (Polarographic DO)	0.0 to 600.0 % saturation
Temperature Resolution	0.1°C, 0.1°F
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™ pH/Conductivity Multiparameter Benchtop Meter

Get premium performance and flexibility with our benchtop meter with pH and conductivity modules for simultaneous pH, conductivity, and temperature.

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Specifications

Multiparameter 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 meg-ohm
Memory	Non-volatile memory preserves data log, calibration log and meter settings
Resolution (pH)	0.1/0.01/0.001
Languages	English, Spanish, French, Italian, German, Chinese, Portuguese and Korean
Measurement Modes	pH,mV,Relative mV,TDS,ORP with Temperature,Salinity,Conductivity,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
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
Warranty	3 year meter and module warranty
Temperature Accuracy	±0.1°C
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)	28cm x 24cm x 10cm (11 in. x 9.5 in. x 3.9 in.), modules add ≤ 2cm (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
Temperature Range (English)	22.0°F to 221.0° F
Range (Relative mV)	±2000.0 mV
Calibration Points (pH)	1 to 6
Backlight Option	Yes
Range (mV)	±2000.0 mV
Range (ORP)	±2000.0 mV
Methods	10 per channel
Cell Constant	0.001 to 199.9cm-1
Temperature (Metric) Reference	5, 10, 15, 20, 25°C
Range (pH)	-2.000 to 20.000
TDS Factor Range	Linear (0.02 to 9.99)
Channels	4 - customizable with modules
Accuracy (pH)	±0.002
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 with warning) or off
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	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)
Weight (Metric)	1.2 kg, modules add 0.2 kg each
Calibration Points (Conductivity)	Up to 6
Temperature (English) Operating	41°F to 113°F (ambient)
Resolution (Resistivity)	1 ohm or 0.1 meg-ohm, auto ranging
Isopotential Point	7.000pH (adjustable)
Accuracy (Resistivity)	0.5% of reading ±1 digit
AC Adapter	Universal 50-60 Hz, 100-240 VAC power adapter (Cat. No. STARA-PWR)
Range (TDS)	0.001 ppm to 200.0 ppt
Resolution (TDS)	0.001 ppm minimum, auto ranging up to 4 significant digits
Calibration	pH with calibration editing option, relative mV (RmV), ORP, conductivity with calibration editing op
Calibration Points	1 point relative mV (RmV) mode, 1 point ORP mode
Alarm Output	Set point alarm, high/low limit alarm, calibration due alarm
IP Rating	IP 54
Weight (English)	2.5 lb., modules add 0.5 lb. each
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 Star™ A221 Portable pH Meter

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

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Multiparameter Meters

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

Get premium performance and ultimate flexibility with our benchtop meter with pH/LogR module for pH, mV, ORP and LogR temperature technology.

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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 with LogR Temperature,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, 3 point LogR temperature 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, LogR temperature and temperature
Relative Humidity Range	5 to 85%, non-condensing
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, automatic with pH electrode using LogR mode
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

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.

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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™ ROSS Ultra™ Refillable Epoxy Bodied pH/ATC Triode™

Thermo Scientific™ Orion™ ROSS Ultra™ Epoxy Bodied pH/ATC Triode™

Thermo Scientific™ Orion™ Triode™ 3-in-1 pH/Automatic Temperature Compensation Probe

Thermo Scientific™ Orion™ Combination pH Electrodes

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

Thermo Scientific™ Orion Lab Star PH111 Bench pH Meters

Thermo Scientific™ Orion Star™ A121 Portable pH Meter

Thermo Scientific™ Orion Star™ A329 pH/ISE/Conductivity/Dissolved Oxygen Portable Multiparameter Meter

Thermo Scientific™ Orion™ Versa Star Pro™ pH/Conductivity Multiparameter Benchtop Meter

Thermo Scientific™ Orion Star™ A221 Portable pH Meter

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

Thermo Scientific™ Orion Star™ A211 Benchtop pH Meter

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Thermo Scientific™ Orion™ Versa Star Pro™ Benchtop pH Meter SureTRACESupports traceability with guaranteed access to certificates and proactive change notifications.Learn More

Thermo Scientific™ Orion Star™ A121 Portable pH Meter SureTRACESupports traceability with guaranteed access to certificates and proactive change notifications.Learn More

Thermo Scientific™ Orion Star™ A329 pH/ISE/Conductivity/Dissolved Oxygen Portable Multiparameter Meter SureTRACESupports traceability with guaranteed access to certificates and proactive change notifications.Learn More

Thermo Scientific™ Orion™ Versa Star Pro™ pH/Conductivity Multiparameter Benchtop Meter SureTRACESupports traceability with guaranteed access to certificates and proactive change notifications.Learn More

Thermo Scientific™ Orion Star™ A221 Portable pH Meter SureTRACESupports traceability with guaranteed access to certificates and proactive change notifications.Learn More

Thermo Scientific™ Orion™ Versa Star Pro™ pH/LogR™ Benchtop Meter SureTRACESupports traceability with guaranteed access to certificates and proactive change notifications.Learn More

Thermo Scientific™ Orion Star™ A211 Benchtop pH Meter SureTRACESupports traceability with guaranteed access to certificates and proactive change notifications.Learn More

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

Thermo Scientific™ Orion Star™ A121 Portable pH Meter

Thermo Scientific™ Orion Star™ A329 pH/ISE/Conductivity/Dissolved Oxygen Portable Multiparameter Meter

Thermo Scientific™ Orion™ Versa Star Pro™ pH/Conductivity Multiparameter Benchtop Meter

Thermo Scientific™ Orion Star™ A221 Portable pH Meter

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

Thermo Scientific™ Orion Star™ A211 Benchtop pH Meter