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.

1 – 15 of 277 results

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.

Promotions are available

Pricing and Availability
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.

Pricing and Availability

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!

Promotions are available

Pricing and Availability

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!

Promotions are available

Pricing and Availability
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

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.

Promotions are available

Pricing and Availability

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.

Promotions are available

Pricing and Availability

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.

Promotions are available

Pricing and Availability

Thermo Scientific™ Elite pH Spear Pocket Testers and Replacement Sensors

Flexible on-the-go pH testing using durable Elite spear pocket testers with replaceable sensors for a variety of applications include food, beverage, agriculture and more!

Promotions are available

Pricing and Availability
Specifications

Temperature Accuracy	Manual input
Temperature Range (English)	32.0°F to 140.0°F
Resolution (pH)	0.01
Measurement Modes	pH
Range (pH)	-1 to 15
Temperature (Metric) Operating	5°C to 45°C (ambient)
Temperature Range (Metric)	0.0°C to 60.0°C
Accuracy (pH)	±0.02
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!

Promotions are available

Pricing and Availability

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

Lightweight, economical, and efficient handheld meters

Promotions are available

Pricing and Availability

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.

Promotions are available

Pricing and Availability
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

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.

Promotions are available

Pricing and Availability

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.

Promotions are available

Pricing and Availability
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

Fisherbrand™ accumet™ Basic AB330 Benchtop Laboratory Conductivity Meter

Ideal for daily conductivity, TDS and salinity testing of your routine laboratory samples, the accumet™ Basic AB330 Benchtop Meter provides essential functions needed without complicated functions at a budget-friendly price.

Promotions are available

Pricing and Availability
Specifications

Memory	Non-volatile
Cell Constant	0.1 to 10
Measurement Modes	Conductivity with Temperature,TDS with Temperature,Salinity with Temperature
Temperature (Metric) Reference	15, 20, 25 or 30°C
Temperature Coefficient	0 to 10 %/°C
TDS Factor Range	0.4 to 1
Range (Salinity)	0 to 80 ppt
Data Management Details	Printed or CSV Format
Temperature Compensation	Linear
Display Type	5 in. LCD
Accuracy (Salinity)	±1% Full Scale
Resolution (Salinity)	0.01, 0.1 ppt
Voltage	100/240 V
Accuracy (Conductivity)	±1% Full Scale
Data Points	500 Points
Inputs	Conductivity, ATC
Accuracy (Temperature)	±0.3°C (±0.5°F)
Calibration Points (Conductivity)	84 μS, 1413 μS, 12.88 mS, 111.8 mS
Stability	Indicator Icons
Warranty	3 Years
Resolution (Conductivity)	0.01, 0.1, 1 μS; 0.01, 0.1 mS
Range (Conductivity)	0 μS to 500 mS
AC Adapter	Universal Power Adapter
Resolution (TDS)	0.01, 0.1, 1 ppm; 0.01, 0.1 ppt
Calibration	Conductivity, TDS, Salinity, Temperature
Calibration Points	1 to 5 (Conductivity), 1 to 5 (TDS), 1 (Salinity), 1 (Temperature)
Accuracy (TDS)	±1% Full Scale
IP Rating	IP54
Data Logging	Automatic with Auto-read and Timed Modes, Manual with Continuous Mode
Model	AB330
Outputs	Port for Computer or Printer
Frequency	50/60 Hz
Backlight Option	Yes
Resolution (Temperature)	0.1°C (0.1°F)
Temperature Range (Metric)	-5°C to +105°C

Fisherbrand™ accumet™ XL600 Benchtop Dual pH/ISE, Conductivity and Dissolved Oxygen Meters

Provide advanced measurements with simple operation and offer a large, vivid color touch-screen display. Fisherbrand accumet XL600 pH/ISE/conductivity/DO benchtop meters offer advanced features with simple operation to help ensure your measurements are reliable and your laboratory processes are efficient.

Promotions are available

Pricing and Availability
Specifications

Range (Resistivity)	3 W to 100 MW over 4 ranges: 0 to 20 kW, 20 to 200 kW, 200 kW to 2 MW, 2 to 100 MW
Resolution (pH)	0.1/0.01/0.001
Width (Metric)	17.3 cm
Resolution (ISE)	2/3/4 Digits
Data Management Details	3 to 86400 sec.
Display Type	LCD
Resolution (mV)	0.1mV
Data Points	2000
Certifications/Compliance	NIST, ISO, FDA, USDA, EPA
Height (English)	3.89 in.
Accuracy (mV)	±0.2 mV
Accuracy (ISE)	0.5% full scale (monovalent ion), 1% full scale (divalent ion)
Warranty	3 Years
Temperature Accuracy	±0.2°C (±0.3°F)
Calibration Points (ISE)	2 to 6
Resolution (Conductivity)	0.001/0.01/0.1mS
Range (Conductivity)	0 to 500 mS
Dimensions (L x W x H)	24.6 x 17.3 x 9.9cm (9.7 x 6.8 x 3.9 in.)
Accuracy (TDS)	± 1% full scale
Outputs	RS232, USB-A, Mini-B USB, RJ45, stirrer port (2)
Calibration Points (pH)	Up to 6 preset or 5 custom
Range (mV)	±2000 mV
Resolution	Multiple
Length (Metric)	24.6 cm
Detection Range	Multiple
Length (English)	9.68 in.
Cell Constant	0.01 to 10
Range (pH)	-2 to 20
Accuracy (pH)	±0.002
Range (ISE)	±2000 mV
Range (Salinity)	0 to 80 ppt
Accuracy	Multiple
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 (DO)	0.01mg/L (0.1mbar), 0.1% saturation
Inputs	2 BNC, 2 ATC
Weight (Metric)	1.13 kg
Calibration Points (Conductivity)	Automatic (4 points), maximum 1/range, manual (5 points), maximum 1/range
Height (Metric)	9.9 cm
Accuracy (DO)	0.1 +1 LSD
Resolution (Resistivity)	0.01/0.1W, 0.001/0.1kW, 0.01MW
Accuracy (Resistivity)	± 1% full scale
Range (TDS)	0.050 ppm to 500 ppt (at TDS factor 1.00)
Resolution (TDS)	0.01/0.1ppm, 0.001/0.01/0.1ppt
Frequency	50/60Hz
Weight (English)	2.5 lb.
Range (DO)	0 to 20mg/L (0 to 1272mbar), 0 to 200% saturation with 13-620-SSP electrode
Temperature Resolution	0.1°C

Electrochemistry Meters

Electrochemistry Meters

Filtered Search Results

Narrow Results

Thermo Scientific™ Orion Star™ A212 Conductivity 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™ A212 Conductivity Benchtop Meter

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