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Electrochemistry Meters

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.
Multiparameter Meters (145)
Conductivity Meters (53)
Dissolved Oxygen Meters (30)
ISE Concentration Meters (12)
Inline Electrochemistry Analyzers (9)
Oxidation Reduction Potential Meters (7)
Chlorine Meters (3)

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1 – 15 of 118 results
1

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.

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 100/240 V
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
2

Fisherbrand™ accumet™ XL500 Benchtop Dual pH/ISE and Conductivity Meters

Provide advanced measurements with simple operation and offer a large, vivid color touch-screen display that allows for dynamic functionality. Fisherbrand accumet XL500 dual pH/ISE/conductivity benchtop meters offer advanced features with simple operation to help ensure your measurements are reliable and your laboratory processes are efficient.

Length (Metric) 24.6 cm
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
Detection Range Multiple
Length (English) 9.68 in.
Resolution (pH) 0.1/0.01/0.001
Cell Constant 0.01 to 10
Range (pH) -2 to 20
Width (Metric) 17.3 cm
Resolution (ISE) 2/3/4 Digits
Accuracy (pH) ±0.002
Range (ISE) ±2000 mV
Range (Salinity) 0 to 80 ppt
Accuracy Multiple
Data Management Details 3 to 86400 sec.
Display Type LCD
Accuracy (Salinity) ± 1% full scale
Resolution (Salinity) 0.01/0.1ppm, 0.001/0.01/0.1ppt
Voltage 100/240 V
Accuracy (Conductivity) ±1% FS
Resolution (mV) 0.1mV
Data Points 2000
Certifications/Compliance NIST, ISO, FDA, USDA, EPA
Inputs 2 BNC, 2 ATC
Weight (Metric) 1.13 kg
Height (English) 3.89 in.
Calibration Points (Conductivity) Automatic (4 points), maximum 1/range, manual (5 points), maximum 1/range
Height (Metric) 9.9 cm
Accuracy (mV) ±0.2 mV
Accuracy (ISE) 0.5% full scale (monovalent ion), 1% full scale (divalent ion)
Warranty 3 Years
Temperature Accuracy ±0.3°C
Calibration Points (ISE) 2 to 6
Resolution (Resistivity) 0.01/0.1W, 0.001/0.1kW, 0.01MW
Resolution (Conductivity) 0.001/0.01/0.1mS
Range (Conductivity) 0 to 500 mS
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
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)
Frequency 50/60Hz
Calibration Points (pH) Up to 6 preset or 5 custom
Weight (English) 2.5 lb.
Range (mV) ±2000 mV
Temperature Resolution 0.1°C
Resolution Multiple
3
Promotions Available

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.

4
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Mettler Toledo™ pH/Ion Meter SevenDirect SD50
GREENER_CHOICE

The SevenDirect SD50 is an accurate and flexible benchtop meter for the determination of pH, ORP and ion concentrations. The instrument is the replacement of the SevenCompact and is delivered with an EasyPlace sensor arm.

Temperature Accuracy ±0.1°C between 0°C and 100°C
Memory 2000 Standard Measurements
Resolution (pH) 0.1, 0.01, 0.001
Measurement Modes pH
Range (pH) -2.000 to 20.000
Accuracy (Ion) 0.5 %
Channels 1
Accuracy (pH) 0.002
Dimensions (L x W x H) 195 x 205 x 65 mm
Data Management Details PC, Printer, USB Stick
Display Type Color TFT
IP Rating IP54
Resolution (Ion) 3 or 4 digits (auto-range)
Temperature Range (English) -22°F to +266°F
Range (Ion) -2,000 to 20,000 pX, 0 to 999,999 mg/L (ppm)
Temperature Range (Metric) -30°C to +130°C
Range (mV) -2000 to 2000 mV
Temperature Resolution 0.1°C
5
Promotions Available

Mettler Toledo™ pH/Conductivity Meter SevenDirect SD23
GREENER_CHOICE

The SevenDirect SD23 is an accurate and flexible benchtop meter for the determination of pH and conductivity - either separately or simultaneously. The instrument is the replacement of the SevenCompact and is delivered with an EasyPlace sensor arm.

Accuracy (mV) 0.1 mV
Temperature Accuracy ±0.1°C between 0°C and 100°C
Memory 2000 Standard Measurements
Range (Conductivity) 0.001 μS/cm to 2000 mS/cm
Resolution (pH) 0.1, 0.01, 0.001
Channels 2
Accuracy (pH) 0.002
Dimensions (L x W x H) 195 x 205 x 65 mm
Data Management Details PC, Printer, USB Stick
Display Type Color TFT
IP Rating IP54
Accuracy (Conductivity) 0.5 %
Resolution (mV) 1, 0.1 mV
Temperature Range (English) -22°F to +266°F
Weight (English) 1.9 lb.
Temperature Range (Metric) -30°C to +130°C
Range (mV) -2000 to 2000 mV
Weight (Metric) 850 g
Temperature Resolution 0.1°C
Resolution (ORP) 1, 0.1
6
Promotions Available

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.

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
7

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.

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
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
8

Fisherbrand™ accumet™ AB250 Benchtop pH/ISE Meters

Provides intuitive, simple operation and high accuracy measurements in a compact, affordable meter. Fisherbrand accumet AB250 pH/ISE meter provides flexible measurements of pH or ion concentration using an ion selective electrode (ISE) in one easy to use, reliable measurement system.

Accuracy (mV) ±0.2 mV
Accuracy (ISE) 0.5% full scale (monovalent ion), 1% full scale (divalent ion)
Warranty 3 Years
Temperature Accuracy ±0.3°C
Calibration Points (ISE) 2 to 6 points from one of following group, 0.001, 0.01, 0.1, 1, 10, 100, 0.01, 0.1, 1, 10, 100, 1000
Resolution (pH) 0.1/0.01/0.001
Range (pH) -2 to 20
Resolution (ISE) 0.001/0.01/0.1/1 (automatic)
Accuracy (pH) ±0.002
Range (ISE) 0.001 to 19999 (±2000)
Data Management Details Manual, timed (selectable every 3 to 3600 sec.), printer or CSV format
Display Type LCD
Voltage 100/240 V
Resolution (mV) 0.1mV
Outputs RS232 (phono plug), mini-B USB, stirrer
Frequency 50/60Hz
Data Points 500
Calibration Points (pH) Up to 6 preset or 5 custom
Range (mV) ±2000 mV
Inputs BNC, ATC
Temperature Resolution 0.1°C
9

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.

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 to 20
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 IP54
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
10
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METTLER TOLEDO™ S479 SevenExcellence™ pH/Conductivity/DO Benchtop Meter Kit

The S479 meter kit gives you everything you need to start measuring pH, conductivity, dissolved oxygen, BOD, resistivity, salinity, TDS, Redox/ORP, and ISFET all on one meter. It has an intuitive touchscreen, measurement shortcuts, and can export data to a printer, Excel file, or LIMS system.

11
Promotions Available

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.

Accuracy ±1
Display Type Color TFT
Accuracy (Concentration) ±0.1mg/L from 0 to 8; ±0.2mg/L from 8 to 20; ±10% from 20 to 50
Percent Saturation Range Polarographic DO 0 to 500%
Measurement Modes Dissolved Oxygen
Temperature Range (Metric) 0°C to 50°C
Range (DO) 0.000 to 50mg/L (ppm)
Channels 3
Resolution 0.001 (display)
12
Promotions Available

METTLER TOLEDO™ SevenGo Duo pH/Ion/DO Meter SG98-EL-Kit

A high precision dual-channel pH/ optical DO meter for simultaneous analysis of two electrochemical parameters. Easy text guided operation.

13

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!

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
14

Oakton™ Waterproof CON 150 Portable Conductivity Meter, CON 150 Meter with Probe

Rugged, accurate, reliable--Best value for an IP67-rated waterproof meter.

Warranty 3 Years
Resolution (Conductivity) 0.01 μS to 0.1 mS
Range (Conductivity) 0 to 200 mS
Cell Constant K = 1.0
Range (TDS) 0 to 200 ppt
Resolution (TDS) 0.01 ppm to 0.1 ppt
For Use With (Application) Measuring Conductivity, TDS and Temperature.
Battery Type 2 x AA (1.5V)
Calibration Points One point per range
Dimensions (L x W x H) 19.8 x 8 x 5.7 cm (7.8 x 3.12 x 2.25 in.)
Battery Life 700 hr.
Temperature Compensation Automatic or Manual
Display Type LCD
Accuracy (TDS) ±1% Full-scale
IP Rating IP67
Model CON 150
Data Points 150
Certifications/Compliance CE marked
Resolution (Temperature) 0.1
Temperature Range (Metric) 10°C to 110°C
Accuracy (Temperature) ±0.5°C (±0.9°F)
15

Fisherbrand™ Traceable™ Dual-Display Conductivity Meter

Measures conductivity and temperature; includes NIST™ traceability certificate.