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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.
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1
Promotions Available

Fisherbrand™ accumet™ AR450 pH/ion/Conductivity Meter with Stand

Designed to deliver precise and reliable electrochemistry testing, the accumet AR450 offers enhanced performance in a streamlined design. Ideal for laboratories requiring dependable measurement capabilities.

EDGE
2
Promotions Available

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
3
Promotions Available

Fisherbrand™ accumet™ AR425 pH/Ion Meter pH Kit

Designed to deliver precise and reliable electrochemistry testing, the accumet AR425 offers enhanced performance in a streamlined design. Ideal for laboratories requiring dependable measurement capabilities.

Accuracy (mV) ±0.2 mV or ±0.05% of the reading, whichever is greater
Log Function Type Automatic Data Logging
Measurement Modes pH,mV,ORP,Ion,Temperature
Range (pH) -2 to 20
Calibration pH
Accuracy (pH) ±0.002 pH
Calibration Points 1
Display Type 7-in. High-resolution Color Graphic LCD
Product Type Benchtop Multiparameter Meters
IP Rating IP54
Voltage 100/240 V
Data Points 5000 with Date and Time Stamp
Backlight Option Yes
Certifications/Compliance CE, TUV 3-1, FCC Class A
Temperature Range (Metric) -30.0 to 130.0°C
4
Promotions Available

Mettler Toledo™ pH/Conductivity/DO Meter NineFocus™ NF2340™

High-performance, multiparameter benchtop meter for compelling precision in pH, conductivity, ion concentration, redox, and dissolved oxygen determinations.

5
Promotions Available

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
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
6
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
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
7

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.

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

Mettler Toledo™ FiveGo™ F3 Conductivity Meters

Portable meter provides reliable and high quality conductivity measurements with simple click of a button

Memory 200 measurements
Range (Conductivity) 0.00 μS/cm to 200 mS/cm
Languages Chinese (Simplified),Chinese (Traditional),Croatian,Czech,Danish,Dutch,English (GB),English,French,German,Hungarian,Indonesian,Italian,Japanese,Korean,Norwegian,Polish,Brazilian Portuguese,Russian,Slovakian,Slovenian,Spanish,Swedish,Thai,Turkish,Vietnamese
Range (TDS) 0 mg/L to 200 g/L
Measurement Modes Conductivity
Calibration One point calibration with three predefined standards
Channels 1
Dimensions (L x W x H) 18.8 x 7.7 x 3.3 cm (97.4 x 3 x 1.3 in.)
Temperature Compensation Linear: 0.00%/°C to 10.00%/°C, reference temperature: 20° and 25°C
Display Type LCD
IP Rating IP67
Accuracy (Conductivity) ±0.5% of the measured value
Data Points 200
Weight (English) 0.5 lb.
Resolution (Temperature) 0.1°C
Temperature Range (Metric) 0°C to 100°C
Inputs LTW 7-pin
Accuracy (Temperature) ±0.5°C
Weight (Metric) 0.26 kg
10

Thermo Scientific™ Orion™ Pro Star PI214 pH/ion Bench Meter

Designed to provide accurate and reliable pH, ORP, ion concentration and temperature analysis, the Thermo Scientific™ Orion™ Pro Star PI214 bench meter is well suited for laboratories that desire a modern meter with advance performance.

Temperature (Metric) Range -30.0°C to +130.0°C
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
Measurement Modes pH with mV and Temperature,ORP with mV and Temperature,Ion Concentration (ISE) with Temperature
Range (pH) -2 to 20
Resolution (ISE) 0.0001 minimum, 1 to 5 digits
Channels 1
Accuracy (pH) ±0.002 pH
Range (ISE) 0.0001 to 19999
Display Type 7-in. High-resolution Color Graphic LCD
Resolution (mV) 0.1 mV
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
Inputs BNC for pH, ORP or ion selective electrode (ISE), 8-pin MiniDIN for ATC, pin-tip for reference
Accuracy (Temperature) ±0.3°C, ±0.5°F
Weight (Metric) 1.00 kg
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
Calibration Points (ISE) Up to 5
Isopotential Point 7.000 pH; 1.000 ion concentration
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
Calibration pH, ORP, Ion Concentration, Temperature
Calibration Points 1 to 5 (pH), 1 (ORP), 1 to 5 (ion), 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.
Temperature Selection Automatic with ATC temperature sensor, ambient or manual
Keypad Capacitive touchscreen user interface
Model PI214
Outputs USB flash drive, computer or printer (STARA-106)
Range (Relative mV) -2000 to 2000 mV
Calibration Points (pH) 1 to 5 points
Backlight Option Yes
Weight (English) 2.20 lbs.
Resolution (Temperature) 0.1°C, 0.1°F
Range (mV) -2000 to 2000 mV
Range (ORP) -2000 to 2000 mV
Methods 10
11
Promotions Available

Mettler Toledo™ Seven2Go S7 Conductivity Meter

The Seven2Go portables are engineered to provide users with fast quality data, one-handed operation, and durability, making them ideally suited for mobile applications in the laboratory, at-line, and outdoors.

Range (Resistivity) 0.00 to 100.0 Mohm/cm
Measurement Modes Conductivity
Cell Constant Manual entry
Range (pH) 0 to 14
Channels 1
Range (Salinity) 0.00 to 42 psu
Temperature Compensation Automatic or Manual
Battery Life 200 to 250 hr.
Display Type Color Graphic
Accuracy (Salinity) ±0.5%
Resolution (Salinity) 0.01 to 0.1
Accuracy (Conductivity) ±0.5%
Certifications/Compliance ISO 9001:2000
Inputs LTW 7-pin (sensor)
Weight (Metric) 290 g
Resolution (Conductivity) 0.01
Range (Conductivity) 0.01 μS/cm to 1000 mS/cm
Range (TDS) 0.01 mg/L to 600 g/L
Resolution (TDS) 0.01 to 1
Battery Type 4 x 1.5 V AA or 1.3 V NiMH acc.
Calibration Points 1
Dimensions (L x W x H) 222 x 70 x 35 mm
Accuracy (TDS) ±0.5%
IP Rating IP67
Model Single channel; conductivity, TDS, salinity
Temperature Range (Metric) -5°C to +105°C
12
Promotions Available

Mettler Toledo™ pH/Ion Meter NineFocus™ NF5000™

High-performance, multiparameter benchtop meter for compelling precision in pH, conductivity, ion concentration, redox, and dissolved oxygen determinations.

13

Thermo Scientific™ Orion Star™ A222 Conductivity Portable Meter

Reliably measure conductivity, TDS, salinity, resistivity and temperature with this conductivity portable meter for advanced field analysis.

Salinity Measurement Modes Practical salinity (psu)
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,Chinese,Portuguese and Korean available with software update
Measurement Modes Conductivity,TDS,Salinity,Resistivity with Temperature
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 1000 with Date and Time Stamp
Certifications/Compliance CE, TUV 3-1, FCC Class A
Temperature Probe Calibration 1 point temperature offset calibration
Stability Smart Stability and Smart Averaging
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 with Auto-Read Measure Mode, Manual with Continuous Measure Mode
Battery Type 4 x AA (included)
Relative Humidity Range 5 to 85%, non-condensing
Dimensions (L x W x H) 24 x 10 x 6.5 cm (9.5 x 3.9 x 2.6 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 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) 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 8 pin MiniDIN (conductivity sensor with built-in temperature)
Accuracy (Temperature) ±0.1°C
Weight (Metric) 0.5 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 (sold separately, Cat. No. 1010003)
Resolution (TDS) 0.001 ppm minimum, auto ranging up to 4 significant digits
Calibration Conductivity and temperature
Alarm Output Calibration due alarm (fixed 12 hour)
IP Rating IP67
Model Orion Star A222 Conductivity/TDS/Salinity/Resistivity/Temperature Portable Meter
Weight (English) 1.2 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
14
Promotions Available

Fisherbrand™ accumet™ AR450 pH/ion/Conductivity Meter Kit

Designed to deliver precise and reliable electrochemistry testing, the accumet AR450 offers enhanced performance in a streamlined design. Ideal for laboratories requiring dependable measurement capabilities.

15

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.