Electrochemistry Meters

Benchtop or portable instruments and electrodes used to measure various parameters of water and solutions; these include pH, temperature, resistivity, conductivity, ion-specific testing (chlorine and ISE), dissolved oxygen/BOD, ORP, and other water activity measures.

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Hanna Instruments™ Waterproof pH/Conductivity/TDS Tester

Makes measuring pH quick and easy. Hanna Instruments™ Waterproof pH/Conductivity/TDS Tester is lightweight and waterproof offering high accuracy pH, EC/TDS and temperature measurements in a single handheld unit.

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Thermo Scientific™ Eutech™ ECOECTESTHIGH Conductivity Meter

The Eutech EcoTestr EC series comes with rugged, sturdy stainless steel pin sensors, giving you quick, reliable conductivity measurements.

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Thermo Scientific™ Elite PCTS pH / Conductivity / TDS / Salinity Pocket Testers and Replacement Sensors

Flexible on-the-go pH, conductivity, TDS, salinity and temperature testing using durable Elite PCTS pocket testers for a variety of applications including agriculture, aquaculture, hydroponics and more!

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Specifications

Salinity Measurement Modes	Per practical salinity curve
Temperature Accuracy	±0.6°C, ±1.0°F for 0.0 to 50.0°C; ±1.1°C, ±1.9°F for 50.1 to 60.0°C
Resolution (Conductivity)	0.1 μS/cm for 0.0 to 200.0 μS/cm; 1 μS/cm for200 to 2000 μS/cm; 0.01 mS/cm for 2.00 to 20.00 mS/cm
Range (Conductivity)	0.00 to 20.00 mS/cm
Resolution (pH)	0.01
Range (TDS)	0.00 to 10.00 ppt
Measurement Modes	pH,Conductivity,TDS,Salinity,Temperature
Resolution (TDS)	0.1 ppm for 0.0 to 100.0 ppm; 1 ppm for 100 to 1000 ppm; 0.01 ppt for 0.10 to 10.00 ppt
Range (pH)	-1.00 to 15.00
TDS Factor Range	0.40 to 1.00 (selectable)
Accuracy (pH)	±0.02
Relative Humidity Range	5 to 85 %, non-condensing
Range (Salinity)	0.00 to 10.00 ppt
Temperature Compensation	Yes
Accuracy (TDS)	± 1% full scale
Accuracy (Salinity)	± 1% full scale
Resolution (Salinity)	0.10 ppt
Accuracy (Conductivity)	± 1% full scale
Temperature Range (English)	32.0°F to 140.0°F
Calibration Points (pH)	1 to 3
Calibration Modes	pH, conductivity, TDS, salinity, temperature
Temperature Probe Calibration	1 point
Temperature (Metric) Operating	5°C to 45°C (ambient)
Temperature Resolution	0.1°C, 0.1°F
Calibration Points (Conductivity)	1 to 3

Thermo Scientific™ Elite pH Pocket Testers and Replacement Sensors

Flexible on-the-go pH and temperature testing using durable Elite pocket testers with replaceable sensors for a variety of applications including environmental monitoring, pools, spas and more!

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Fisherbrand™ Traceable™ Conductivity Meter Pen

Easy-to-use, waterproof conductivity meter designed for routine analysis and quality control. Simply turn on, insert, and simultaneously read result and temperature.

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Thermo Eutech™ COND 6+ Conductivity Meter

COND 6+ Conductivity Meter, Rubber Armour/Stand, electrode CONSEN91B

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Thermo Scientific™ Eutech™ ORPTestr10 ORP Meter

Eutech offers a wide range of ORP meters that measure both pH and ORP values in various educational, laboratory and industrial applications.

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Thermo Scientific™ Eutech COND 6+ Handheld Meter Kit with Electrode

Lightweight, economical, and efficient handheld meters

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Fisherbrand™ Traceable™ Conductivity/TDS Meter Pen

Easy-to-use, waterproof conductivity/TDS meter designed for routine analysis and quality control. Simply turn on, insert, and simultaneously read result and temperature.

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accumet™ AET30 Conductivity Tester

accumet AET30 Conductivity Tester, Calibration Points: Three auto or three manual, Range: to 200.0uS/cmto 2,000uS/cmto 20.00mS/cm, 0 to 50.0 deg.C/32.0 to 122 deg.F, Accuracy: +/- 1% of full scale, +/- 0.5 deg.C+/- 0.9 deg.F + 1 LSD, Battery Life: More than 150 hours

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Fisherbrand™ accumet™ AB200 Benchtop pH/Conductivity Meters

Provides intuitive, simple operation and high accuracy measurements in a compact, affordable meter. Fisherbrand accumet AB200 pH/conductivity meter combines the benefits of a pH meter and conductivity meter in one easy to use, reliable measurement system. The large backlit display offers great visibility in laboratory environments.

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Specifications

Range (Resistivity)	2 W to 20 MW
Resolution (pH)	0.1/0.01/0.001
Cell Constant	0.010 to 10.000
Range (pH)	-2 to 20
Accuracy (pH)	±0.002
Range (Salinity)	0 to 80 ppt
Data Management Details	Manual, timed (selectable every 3 to 3600 sec.), printer or CSV format
Display Type	LCD
Accuracy (Salinity)	± 1% full scale
Resolution (Salinity)	0.01/0.1ppm, 0.001/0.01/0.1ppt
Voltage	100/240V
Accuracy (Conductivity)	±1% FS
Resolution (mV)	0.1mV
Data Points	500
Inputs	BNC, ATC
Calibration Points (Conductivity)	Automatic (4 points), maximum 1/range, manual (5 points), maximum 1/range
Accuracy (mV)	±0.2 mV
Warranty	3 Years
Temperature Accuracy	±0.3°C
Resolution (Resistivity)	0.01/0.1W, 0.001/0.1kW, 0.01MW
Resolution (Conductivity)	0.01/0.1μS, 0.001/0.01/0.1mS
Range (Conductivity)	0 μS to 500 mS
Accuracy (Resistivity)	± 1% full scale
Range (TDS)	0 ppm to 500 ppt (at TDS factor 1)
Resolution (TDS)	0/0.1ppm, 001/01/0.1ppt
Accuracy (TDS)	± 1% full scale
Outputs	RS232 (phono plug), mini-B USB, stirrer
Frequency	50/60Hz
Calibration Points (pH)	Up to 6 preset or 5 custom
Range (mV)	±2000 mV
Temperature Resolution	0.1°C

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.

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Specifications

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

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

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 Lab Star EC112 Conductivity Bench Meters

Orion Lab Star EC112 conductivity bench meters measure conductivity, salinity or TDS with temperature, feature a large backlit display for easy viewability, and offer small footprint to save bench space. This conductivity meter is ideal for simplified, budget-friendly lab testing and data recording.

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Specifications

Salinity Measurement Modes	Natural Seawater (ppt) or Practical Salinity (PSU)
Memory	Non-volatile
Cell Constant	0.100 to 10.00 cm-1
Measurement Modes	Conductivity with Temperature,Salinity with Temperature,TDS with Temperature
Temperature (Metric) Reference	15.0, 20.0, 25.0 or 30.0°C
Temperature Coefficient	0 to 10 %/°C
TDS Factor Range	0.40 to 1.00
Range (Salinity)	0.00 to 80.0 ppt; 0.00 to 42.0 PSU
Data Management Details	Continuous, Auto-Read and Timed read modes
Temperature Compensation	Linear (0 to 10 %/°C) or off
Display Type	5 in. backlit LCD
Accuracy (Salinity)	±0.5 % of the reading ± 1 LSD
Resolution (Salinity)	0.01, 0.1 ppt; 0.01, 0.1 PSU
Accuracy (Conductivity)	±0.5 % of the reading ± 1 LSD
Data Points	500 data sets with time and date
Certifications/Compliance	CE, TUV 3-1, FCC Class A
Temperature Probe Calibration	1 point temperature offset calibration
Inputs	8-pin MiniDIN for conductivity with built-in ATC
Accuracy (Temperature)	±0.3°C, ±0.5°F
Weight (Metric)	700 grams
Calibration Points (Conductivity)	1-5 points conductivity
Warranty	3 year meter warranty
Resolution (Conductivity)	0.01, 0.1, 1 μS; 0.01, 0.1 mS
Range (Conductivity)	0.00 μS to 500.0 mS
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
Resolution (TDS)	0.01, 0.1, 1 ppm; 0.01, 0.1 ppt
Calibration	Conductivity, salinity, TDS and temperature
Calibration Points	1 point salinity, 1-5 points TDS, 1 point temperature
Alarm Output	Calibration reminder alarm
Dimensions (L x W x H)	187.2 x 155.2 x 61.7 mm, 7.37 x 6.11 x 2.43 in.
Accuracy (TDS)	±0.5 % of the reading ± 1 LSD
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
Weight (English)	1.54 lb.
Resolution (Temperature)	0.1°C, 0.1°F
Temperature Range (Metric)	-5.0°C to +105.0°C
Compatible Probes	2-cell and 4-cell conductivity electrodes

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

Get premium performance and flexibility with our multiparameter benchtop meter with pH/ISE, conductivity and RDO/DO modules to measure up to four channels at once.

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Specifications

Power Rating	DC input: 9VDC, 1A
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
Resolution (pH)	0.1/0.01/0.001
Languages	English, Spanish, French, Italian, German, Chinese, Portuguese and Korean
Measurement Modes	pH,mV,Relative mV,ORP,Ion Concentration (ISE) with Temperature,TDS,Conductivity,Salinity
Resolution (ISE)	0.0001 minimum, 1 to 4 significant digits (user selectable)
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
Resolution (mV)	0.1mV
Data Points	2000 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
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 6
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
Percent Saturation Range Polarographic DO	0.0 to 600.0% saturation
Relative Humidity Range	5 to 85%, non-condensing
Range (RDO)	0.00 to 50.00mg/L
Dimensions (L x W x H)	28 x 24 x 10cm (11 x 9.5 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
Percent Saturation Range (RDO)	0.0 to 500.0% saturation
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
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)	±6 mmHg
Range (ORP)	±2000.0 mV
Pressure Resolution	0.1mmHg
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	4 - customizable with modules
Accuracy (pH)	±0.002
Range (ISE)	0.0001 to 19990 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
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), 1.000 ISE (adjustable)
Accuracy (Polarographic DO)	±0.2 mg/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 (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, ion concentration (ISE) with calibration editing option, relativ
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
Percent Saturation Resolution (Polarographic DO)	0.1, 1% saturation
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
Percent Saturation Range (Polarographic DO)	0.0 to 600.0% saturation
Temperature Resolution	0.1°C, 0.1°F
Accuracy (RDO)	±0.1 mg/L up to 8 mg/L, ±0.2 mg/L from 8 to 20 mg/L, ±10% of reading up to 50 mg/L

Electrochemistry Meters

Electrochemistry Meters

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Thermo Scientific™ Orion™ Dual Star™ pH, ISE, mV, ORP and Temperature Dual Channel Benchtop 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™ Versa Star Pro™ pH/ISE/Conductivity/Dissolved Oxygen Multiparameter Benchtop Meter SureTRACESupports traceability with guaranteed access to certificates and proactive change notifications.Learn More

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

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

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