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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 (30)
Conductivity Meters (13)
Biological Oxygen Demand Meters (1)
Dissolved Oxygen Meters (1)
ISE Concentration Meters (1)

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1 – 15 of 22 results
1
Promotions Available

Mettler Toledo™ Protective Cover for S230 SevenCompact Conductivity Meters

Accessory for S230 SevenCompact Conductivity Meters.

2

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
3

Hanna Instruments™ Soil Test™ Direct Soil EC/Temperature Tester

Specifically designed to directly measure soil conductivity and temperature. Hanna Instruments™ Soil Test™ Direct Soil EC/Temperature Tester is a compact pocket tester with single button operation and automatic calibration for environmental and agricultural testing.

4
Promotions Available

Thermo Scientific™ Eutech CON 450 Handheld Meter Kit

Backlit, rugged waterproof meter is ideal for any environment

5

Attachment Stirrer for WTW™ Oxygen Probe
GREENER_CHOICE

6
Promotions Available

METTLER TOLEDO™ Portable pH/Conductivity/Dissolved Oxygen/Ion Meters

Water and dust proof, IP67 rated meter for portable or field measurements. Portable meters compatible with pH, conductivity, dissolved oxygen, and ion selective electrodes.

IP Rating IP67
Certifications/Compliance ISO 9001:2000
7
Promotions Available

Mettler Toledo™ FiveEasy™ Plus FP30 Conductivity Meters

Compact, benchtop meter provides high quality conductivity measurements with simple click of a button

Resolution (Conductivity) Automatic range
Memory 200 measurements, current calibration
Range (Conductivity) 0.01 μS/cm to 500 mS/cm
Range (TDS) 0 mg/L to 300 mg/L
Measurement Modes Conductivity
Calibration One point calibration with three predefined standards, manual cell constant input
Range (Salinity) 0 to 42 psu
Dimensions (L x W x H) 22.7 x 14.7 x 7 cm (9 x 5.7 x 2.7 in.)
Data Management Details RS232 or USB ports
Temperature Compensation Linear: 0.00%/°C to 10.00%/°C, reference temperature: 20° and 25°C
Display Type LCD
Voltage 100/240 V
Accuracy (Conductivity) ±0.5% of the measured value
Model FP30
Frequency 50/60Hz
Data Points 200
Temperature Range (English) 32°F to 212°F
Weight (English) 1.4 lb.
Resolution (Temperature) 0.1°C
Temperature Range (Metric) -5°C to +105°C
Inputs Mini-DIN
Accuracy (Temperature) 0.3°C
Weight (Metric) 0.63 kg
8
Promotions Available

Mettler Toledo™ FiveEasy™ F30 Conductivity Meters

Compact, benchtop meter provides high quality conductivity measurements with simple click of a button

Resolution (Conductivity) Automatic range
Memory Current calibration
Range (Conductivity) 0.01 μS/cm to 200 mS/cm
Range (TDS) 0 mg/L to 300 mg/L
Measurement Modes Conductivity
Calibration One point calibration with three predefined standards
Range (Salinity) 0 to 42 psu
Dimensions (L x W x H) 22.7 x 14.7 x 7 cm (9 x 5.7 x 2.7 in.)
Temperature Compensation Linear: 0.00%/°C to 10.00%/°C, reference temperature: 20° and 25°C
Display Type LCD
Voltage 100/240 V
Accuracy (Conductivity) ±0.5% of the measured value
Model F30
Frequency 50/60Hz
Data Points 200
Temperature Range (English) 32°F to 212°F
Weight (English) 1.4 lb.
Resolution (Temperature) 0.1°C
Temperature Range (Metric) -5°C to +105°C
Inputs Mini-DIN
Accuracy (Temperature) 0.5°C
Weight (Metric) 0.63 kg
9
Promotions Available

Thermo Scientific™ Eutech™ CyberScan CON 450 Meter and Electrode

Backlit, rugged, and waterproof, the Eutech™ CyberScan CON 450 handheld conductivity meter is ideal for any environment.

10

Mettler Toledo™ SevenGo Duo™ SG23 Field Kit

Stores up to 99 GLP records for mobile measurement of pH, mV, conductivity, TDS, salinity and specific resistance. Mettler Toledo™ SevenGo Duo™ SG23 Field Kit can be used in the field and the production environment. The instrument is characterized by user-friendliness and excellent ergonomics.

Range (Resistivity) 0.00 to 100.0 Mohm/cm
Memory 99 measurements
Resolution (pH) 0.01
Languages Chinese, Chinese (TW), Croatian, Czech, Danish, Dutch, English (GB), English (US), French, German, Hungarian, Indonesian, Italian, Japanese, Korean, Norwegian, Polish, Portuguese (BR), Russian, Slovak, Slovenian, Spanish, Swedish, Thai, Turkish, Vietnamese
Range (pH) 0 to 14
For Use With (Application) Suited for mobile measurements both in the field and in the production environment
Channels 2
Accuracy (pH) ±0.01
Power Supply 4 AA batteries or 1.3V NiMH accumulators
Range (Salinity) 0.00 to 80.0 ppt
Display Type LCD
Accuracy (Salinity) ±0.5°C
Resolution (Salinity) 0.01 to 0.1
Accuracy (Conductivity) ±0.01%
Resolution (mV) 1
Inputs pH sensor inputs: BNC, RCA/cinch (both IP67)
Conductivity sensor input: LTW 7-pin (IP67)
Weight (Metric) 357 g (Without batteries)
Accuracy (mV) ±1
Temperature Accuracy ±0.5°C
Resolution (Resistivity) 0.01 to 0.1
Resolution (Conductivity) 0.01 to 1
Range (Conductivity) 0.10 μS/cm to 500 mS/cm
Accuracy (Resistivity) ±0.5°C
Range (TDS) 0.01 mg/L to 300 g/L
Resolution (TDS) 0.01 to 1
Battery Type 1.5 V
Relative Humidity Range 5–85% (non-cond.)
Dimensions (L x W x H) 220 x 90 x 45mm
Accuracy (TDS) ±0.5°C
IP Rating IP67
Calibration Points (pH) 3
Temperature (Metric) Operating 0°C to 40°C
Temperature Range (Metric) -5.0°C to +105°C
Range (mV) -1999 to 1999 mV
Temperature Resolution 0.1°C
11
Promotions Available

Thermo Scientific™ Orion™ Pro Star EC212 Conductivity Bench Meter with Stand

Designed to provide accurate and reliable conductivity, TDS, salinity, resistivity and temperature analysis, the Thermo Scientific™ Orion™ Pro Star EC212 bench meter is well suited for laboratories that desire a modern meter with advance performance.

Salinity Measurement Modes Natural Seawater (ppt), Practical Salinity Units (PSU), or % NaCl
Range (Resistivity) 1.0 Ω to 100.0 MΩ
Memory Non-volatile
Languages Chinese, English, French, German, Italian, Japanese, Korean, Portuguese, Spanish
Cell Constant 0.100 cm-1, 0.475 cm-1, 0.550 cm-1, 1.000 cm-1, 10.00 cm-1 or user-defined from 0.001 to 199.9 cm-1
Measurement Modes Conductivity with Temperature,TDS with Temperature,Salinity with Temperature,Resistivity with Temperature
Temperature (Metric) Reference 5, 10, 15, 20, 25 or 30°C
Channels 1
TDS Factor Range Linear (0.01 to 10.00), ISO/EN 27888, 442, NaCl
Range (Salinity) 0.010 to 80.00 ppt; 0.01 to 42.00 PSU; or 0.01 to 400.0% NaCl
Temperature Compensation Linear (0.00 to 10.00 %/°C), nLFn (non-linear natural water), nLFu (non-linear ultra-pure water), EP/USP or off
Display Type 7-in. High-resolution Color Graphic LCD
Accuracy (Salinity) ±0.5% reading
Resolution (Salinity) 0.001 ppt minimum; 0.01 PSU minimum; or 0.01% NaCl minimum, auto-ranging
Accuracy (Conductivity) ±0.5% reading
Data Points 10,000 with Date and Time Stamp
Certifications/Compliance CE, TUV 3-1, FCC Class A
Temperature Probe Calibration 1 or 2 point temperature offset calibration
Inputs 8-pin MiniDIN for conductivity with ATC
Accuracy (Temperature) ±0.3°C, ±0.5 °F
Weight (Metric) 1 kg
Calibration Points (Conductivity) 1 to 5 points
Warranty 2 year meter warranty
Resolution (Resistivity) 0.1 Ω minimum, auto-ranging
Resolution (Conductivity) 0.001 μS/cm minimum, auto-ranging, up to 4 digits
Range (Conductivity) 0.010 μS/cm to 3000 mS/cm
Accuracy (Resistivity) ±0.5% reading
AC Adapter Universal 100-240 V 50/60 Hz power supply with 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
Range (TDS) 0.010 ppm to 500.0 ppt (TDS factor of 1.00); or 0.010 mg/L to 500.0 g/L (TDS factor of 1.00)
Resolution (TDS) 0.001 ppm or mg/L minimum, auto-ranging, up to 4 digits
Calibration Conductivity, TDS, Salinity, Temperature
Calibration Points 1 to 5 (conductivity), 1 to 5 (TDS), 1 (salinity), 1 to 2 (temperature)
Alarm Output Calibration reminder alarm, high and low limit alarm per parameter
Dimensions (L x W x H) 218.9 x 153.2 x 91.33 mm; 8.62 x 6.03 x 3.60 in.
Accuracy (TDS) ±0.5% reading
IP Rating IP54
Temperature Selection Automatic with ATC temperature sensor, ambient or manual
Keypad Capacitive touchscreen user interface
Model EC212
Outputs USB flash drive, computer or printer (STARA-106)
Backlight Option Yes
Temperature Range (English) -22°F to +266°F
Weight (English) 2.20 lbs.
Resolution (Temperature) 0.1°C, 0.1°F
Temperature Range (Metric) -30°C to +130°C
Methods 10
12
Promotions Available

Thermo Scientific™ Orion™ Pro Star PC215 pH/ion and Conductivity Bench Meter with Stand

Designed to provide accurate and reliable pH, ORP, ion concentration, conductivity, TDS, salinity, resistivity and temperature analysis, the Thermo Scientific™ Orion™ Pro Star PC215 bench meter is well suited for laboratories that desire a modern meter with advance performance.

Salinity Measurement Modes Natural Seawater (ppt), Practical Salinity Units (PSU), or % NaCl
Range (Resistivity) 1.0 Ω to 100.0 MΩ
Memory Non-volatile
Advanced ISE Functions Single known addition, single known subtraction, double known addition, double known subtraction, analyte addition and analyte subtraction
Resolution (pH) 0.1, 0.01 or 0.001 pH
Languages Chinese, English, French, German, Italian, Japanese, Korean, Portuguese, Spanish
Resolution (ISE) 0.0001 minimum, 1 to 5 digits
Display Type 7-in. High-resolution Color Graphic LCD
Resolution (mV) 0.1 mV
Resolution (Ion) 0.0001 minimum, 1 to 5 digits
Data Points 10,000 with Date and Time Stamp
Temperature Probe Calibration 1 or 2 point temperature offset calibration
Certifications/Compliance CE, TUV 3-1, FCC Class A
Accuracy (mV) ±0.2 mV or ±0.05% of the reading, whichever is greater
Accuracy (ISE) ±0.2 mV or ±0.05% of the reading, whichever is greater
Warranty 2 year meter warranty
Temperature Accuracy ±0.3°C, ±0.5°F
Calibration Points (ISE) Up to 5
Resolution (Conductivity) 0.001 μS/cm minimum, auto-ranging, up to 4 digits
Range (Conductivity) 0.010 μS/cm to 3000 mS/cm
Log Function Type Automatic with Auto-Read and Timed Read Modes, Manual with Continuous Read Mode
Dimensions (L x W x H) 218.9 x 153.2 x 91.33 mm; 8.62 x 6.03 x 3.60 in.
Accuracy (TDS) ±0.5% reading
Temperature Selection Automatic with ATC temperature sensor, ambient or manual
Keypad Capacitive touchscreen user interface
Outputs USB flash drive, computer or printer (STARA-106)
Temperature Range (English) -22.0°F to +266.0°F
Range (Relative mV) -2000 to 2000 mV
Calibration Points (pH) 1 to 5 points
Backlight Option Yes
Range (mV) -2000 to 2000 mV
Range (ORP) -2000 to 2000 mV
Methods 10 per channel (20 total)
Cell Constant 0.100 cm-1, 0.475 cm-1, 0.550 cm-1, 1.000 cm-1, 10.00 cm-1 or user-defined from 0.001 to 199.9 cm-1
Temperature (Metric) Reference 5, 10, 15, 20, 25 or 30°C
Range (pH) -2 to 20
TDS Factor Range Linear (0.01 to 10.00), ISO/EN 27888, 442, NaCl
Channels 2
Accuracy (pH) ±0.002 pH
Range (ISE) 0.0001 to 19999
Range (Salinity) 0.010 to 80.00 ppt; 0.01 to 42.00 PSU; or 0.01 to 400.0% NaCl
Temperature Compensation Linear (0.00 to 10.00 %/°C), nLFn (non-linear natural water), nLFu (non-linear ultra-pure water), EP/USP or off
Accuracy (Salinity) ±0.5% reading
Resolution (Salinity) 0.001 ppt minimum; 0.01 PSU minimum; or 0.01% NaCl minimum, auto-ranging
Accuracy (Conductivity) ±0.5% reading
Inputs Channel 1: BNC for pH, ORP or ISE, 8-pin MiniDIN for ATC, pin-tip for reference; Channel 2: 8-pin MiniDIN for conductivity with ATC
Weight (Metric) 1.00 kg
Resolution (ORP) 0.1 mV
Calibration Points (Conductivity) 1 to 5 points
Resolution (Resistivity) 0.1 Ω minimum, auto-ranging
Isopotential Point 7.000 pH; 1.000 ion concentration
Accuracy (Resistivity) ±0.5% reading
AC Adapter Universal 100-240 V 50/60 Hz power supply with wall plugs for US/Japan, Euro, UK/Singapore, Australia/New Zealand and China outlets
Range (TDS) 0.010 ppm to 500.0 ppt (TDS factor of 1.00); or 0.010 mg/L to 500.0 g/L (TDS factor of 1.00)
Resolution (TDS) 0.001 ppm or mg/L minimum, auto-ranging, up to 4 digits
Calibration pH, ORP, Ion Concentration, Conductivity, TDS, Salinity, Temperature
Accuracy (ORP) ±0.2 mV or ±0.05% of the reading, whichever is greater
Calibration Points 1 to 5 (pH), 1 (ORP), 1 to 5 (ion), 1 to 5 (conductivity), 1 to 5 (TDS), 1 (salinity), 1 to 2 (temperature)
Alarm Output Calibration reminder alarm, high and low limit alarm per parameter
IP Rating IP54
Weight (English) 2.20 lbs.
Range (Ion) 0.0001 to 19999
Temperature Range (Metric) -30.0°C to +130.0°C
Temperature Resolution 0.1°C, 0.1°F
13

Mettler Toledo™ S975 SevenExcellence™ pH/Conductivity/Ion/DO Meter Kit

Professional modular triple-channel instrument for measuring ion concentrations, pH, mV/ORP, rel. mV, conductivity, salinity, TDS, resistivity and conductivity ash

14

METTLER TOLEDO™ SevenCompact™ S220 pH Benchtop Meter

The S220 meter measures pH, ion concentration, and Redox/ORP. A simple and durable interface with only 2 buttons makes this meter very easy to operate, and results can be captured by a printer with a time and date stamp. Available as meter only or ready-to-use kits for specific applications.

Temperature Accuracy ±0.1°C
Resolution (mV) 0.1/1mV
Resolution (pH) 0.001/0.01/0.1
Range (pH) -2 to 20
Temperature Range (Metric) -30.0°C to +130°C (MTC), -5.0°C to +130.0°C (ATC)
Accuracy (pH) ±0.002
15

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.