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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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.

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Specifications

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

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.

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Specifications

Range (Resistivity)	0.01 to 100 Mohm/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

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™ 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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Thermo Scientific™ Eutech™ ECTestr11+ Multi Range Conductivity Tester

Get quick and accurate conductivity measurements in the field, laboratories, and schools.

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Fisherbrand™ Traceable™ Expanded Range Conductivity Meter

Ideal for checking the purity of water from stills, deionizers, and reverse osmosis, testing laboratory glassware rinsing, measuring total dissolved solids, and making solutions.

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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.

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Specifications

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

Eutech Expert pH Pocket Tester

Perform on-the-go, fuss-free measurements for applications such as water treatment, environmental monitoring, education, hydroponics, agriculture, aquaculture, food & beverage and many 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 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 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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Thermo Scientific™ Orion Star™ A321 pH Portable Meter

Accurately monitor pH, mV, ORP and temperature with our waterproof, portable pH meter for high performance in challenging field locations.

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Specifications

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 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	4 AA batteries (included) or universal AC adapter (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	5000 with date and time stamp
Temperature Probe Calibration	1 point temperature offset calibration
Certifications/Compliance	CE, TUV 3-1, FCC Class A
Inputs	BNC (pH or ORP electrode), pin-tip (reference electrode), 8 pin MiniDIN (ATC temperature probe)
Weight (Metric)	0.5 kg
Accuracy (mV)	±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
Temperature (English) Operating	41°F to 113°F (ambient)
Isopotential Point	7.000pH
AC Adapter	Universal 50-60 Hz, 100-240 VAC power adapter (sold separately, Cat. No. 1010003)
Log Function Type	Automatic data logging with Auto-Read and Timed measure modes; manual data logging with Continuous m
Calibration	pH with calibration editing option, relative mV (RmV), ORP and temperature
Battery Type	4 x AA
Relative Humidity Range	5 to 85%, non-condensing
Calibration Points	1 to 5
Alarm Output	High/low limit alarm, calibration due alarm
Dimensions (L x W x H)	24cm x 10cm x 6.5cm (9.5 in. x 3.9 in. x 2.6 in.)
Temperature Selection	Manual or automatic with ATC temperature probe
IP Rating	IP 67
Keypad	Comprehensive with menu-specific function keys and dual purpose scroll/shortcut keys
Model	Orion Star A321 pH/mV/RmV/ORP/Temperature Portable Meter
Outputs	USB, RS-232
Temperature Range (English)	22.0°F to 221.0° F
Range (Relative mV)	±2000.0 mV
Backlight Option	Yes, selectable
Weight (English)	1.2 lb.
Temperature (Metric) Operating	5°C to 45°C (ambient)
Temperature Range (Metric)	-5.0°C to +105.0°C
Range (mV)	±2000.0 mV
Range (ORP)	±2000.0 mV
Methods	10 per channel with password protection
Temperature Resolution	0.1°C, 0.1°F

Electrochemistry Meters

Electrochemistry Meters

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Thermo Scientific™ Orion Star™ A212 Conductivity Benchtop Meter SureTRACESupports traceability with guaranteed access to certificates and proactive change notifications.Learn More

Thermo Scientific™ Orion Star™ A214 pH/ISE 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 SureTRACESupports traceability with guaranteed access to certificates and proactive change notifications.Learn More

Thermo Scientific™ Orion Star™ A321 pH Portable Meter SureTRACESupports traceability with guaranteed access to certificates and proactive change notifications.Learn More

Thermo Scientific™ Orion Star™ A212 Conductivity Benchtop Meter

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

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

Thermo Scientific™ Orion Star™ A321 pH Portable Meter