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 472 results

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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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.

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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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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.

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Specifications

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	100/240V
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

Fisherbrand™ Traceable™ pH/ORP/Temperature Meter

Measure critical water quality parameters — without the need to carry multiple units.

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Fisherbrand™ accumet™ XL250 Benchtop pH/ISE Dual Channel Meters

Provide advanced pH and ion measurements with simple operation and offer a large, vivid color touch-screen display. Fisherbrand accumet XL250 pH/ISE dual channel benchtop meters offer advanced features with simple operation to help ensure your measurements are reliable and your laboratory processes are efficient.

Pricing & Availability
Specifications

Length (Metric)	24.6 cm
Detection Range	Multiple
Length (English)	9.68 in.
Resolution (pH)	0.1/0.01/0.001
Range (pH)	-2 to 20
Width (Metric)	17.3 cm
Resolution (ISE)	2/3/4 Digits
Accuracy (pH)	±0.002
Range (ISE)	±2000 mV
Accuracy	Multiple
Data Management Details	3 to 86400 sec.
Display Type	LCD
Voltage	100/240V
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.
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
Dimensions (L x W x H)	24.6 x 17.3 x 9.9cm (9.7 x 6.8 x 3.9 in.)
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

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.

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Specifications

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	100/240V
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

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

Thermo Scientific™ Orion Star™ A221 Portable pH Meter

Reliably measure pH, mV, ORP and temperature with our portable pH meter for advanced field analysis and printer or computer interfacing.

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Thermo Scientific™ Orion Star™ A215 pH/Conductivity Benchtop Multiparameter Meter

Reliably measure pH, conductivity and temperature with our pH/conductivity benchtop meter for advanced lab analysis and interfacing.

Pricing & Availability
Specifications

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 and Chinese; Portuguese and Korean available with software update
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
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
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 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.)
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
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
Cell Constant	0.001 to 199.9cm-1
Temperature (Metric) Reference	5, 10, 15, 20, 25°C
Range (pH)	-2.000 to 20.000
TDS Factor Range	Linear (0.02 to 9.99)
Channels	2
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 (conductivity sensor with built-in temperature or ATC temperature probe), stirrer input (stirrer probe)
Weight (Metric)	0.9 kg
Calibration Points (Conductivity)	Up to 5
Temperature (English) Operating	41°F to 113°F (ambient)
Resolution (Resistivity)	1 ohm or 0.1 meg-ohm, auto ranging
Isopotential Point	7.000pH
Accuracy (Resistivity)	0.5% of reading ±1 digit
AC Adapter	Universal 50-60 Hz, 100-240 VAC power adapter (Cat. No. 1010003)
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	High/low limit alarm, calibration due alarm
IP Rating	IP 54
Model	Orion Star A215 pH/mV/RmV/ORP/Conductivity/TDS/Salinity/Resistivity/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

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.

Pricing & 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™ Traceable™ Salinity Meter Pen

Easy-to-use and splash-proof salinity meter designed for routine analysis and quality control. Simply turn on, insert, and simultaneously read result and temperature.

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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.

Pricing & 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™ 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.

Pricing & Availability
Specifications

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	100/240V
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

Fisherbrand™ Traceable™ Dual-Display Conductivity Meter

Measures conductivity and temperature; includes NIST™ traceability certificate.

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Electrochemistry Meters

Electrochemistry Meters

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