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.

Search Within Results

76 – 90 of 604 results

OHAUS™ Aquasearcher™ Conductivity Meter AB33EC

The Aquasearcher™ Conductivity Meter AB33EC is a highly reliable benchtop meter designed to measure conductivity, total dissolved solids (TDS), salinity, and resistivity with temperature measurements.

Pricing & Availability
Specifications

Display Type	LCD One-line Dot Matrix
IP Rating	None
Range (Resistivity)	1 to 100 MΩ-cm
Range (Conductivity)	0.001 μS/cm minimum, auto-range
Accuracy (Conductivity)	±0.5% Reading ±2 Least Significant Digit
Outputs	RS232, USB Device (Included)
Data Points	1000
Range (TDS)	0.1 mg/L to 200 g/L
Measurement Modes	Auto-stop,Continuous
Temperature Range (Metric)	-5°C to +110°C
Range (Salinity)	0.01 psu minimum, auto-range

OHAUS™ Starter Conductivity Pen Meters

Small but productive conductivity meters. OHAUS Starter Conductivity Pen Meters are the choice for basic testing needs of the total ionic concentration within a solution. They are durable with IP67 waterproof design and provide fast and straight forward results.

Pricing & Availability
Specifications

Type	Conductivity Pen Meter
Display Type	LCD
IP Rating	IP67
Accuracy (Conductivity)	±2.5% FS
Data Points	30
Material	ABS
Weight (English)	0.24 lb.
Measurement Modes	Conductivity
For Use With (Application)	For basic testing of the total ionic concentration within a solution
Battery Type	Micro Alkaline
Weight (Metric)	110 g

Promotions Available

Thermo Scientific™ Orion™ Versa Star Pro™ Benchtop Meter Kit with pH and Conductivity Modules PROMO

The Thermo Scientific™ Orion VERSA STAR pH/Conductivity Multiparameter Benchtop Meter is your meter as you need it — for now and later.

Pricing & Availability

Thermo Scientific™ Expert CTS Pocket Tester

Ensure accurate measurements of Conductivity, TDS, Salinity, and Temperature using the easy-to-use, large 4-digit display pocket tester for many applications.

Pricing & Availability

Thermo Scientific™ Orion™ Versa Star Pro™ Benchtop Meter Without Modules

For the ultimate flexibility, combine the Thermo Scientific™ Orion™ Versa Star Pro™ Benchtop Meter Without Modules with up to four measurement modules to build your ideal system.

Pricing & Availability

Thermo Scientific™ Orion™ Pro Star PD216 pH/ion and DO Bench Meter

Designed to provide accurate and reliable pH, ORP, ion concentration, dissolved oxygen, barometric pressure and temperature analysis, the Thermo Scientific™ Orion™ Pro Star PD216 bench meter is well suited for laboratories that desire a modern meter with advance performance.

Pricing & Availability
Specifications

Resolution (Polarographic DO)	0.1, 1% saturation; 0.01, 0.1 mg/L or ppm
Pressure Range	400.0 to 850.0 mmHg; 0.533 to 1.133 bar
Memory	Non-volatile
Advanced ISE Functions	Single known addition, single known subtraction, double known addition, double known subtraction, analyte addition and analyte subtraction
Languages	Chinese,English,French,German,Italian,Japanese,Korean,Portuguese,Spanish
Measurement Modes	pH,ORP,mV,Ion Concentration (ISE),Dissolved Oxygen (mg/L),Dissolved Oxygen (% Saturation),Temperature,Barometric Pressure
Barometric Pressure Correction	Yes, automatic with built-in barometer or manual
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
Calibration Modes	Water-saturated air (100% and 0% saturation), air-saturated water (100% and 0% saturation) or custom concentration value (Winkler)
Temperature Probe Calibration	1 or 2 point temperature offset calibration
Certifications/Compliance	CE, TUV 3-1, FCC Class A
Probe Type	Polarographic or optical DO electrode
Salinity Factor	0.0 to 50.0 ppt
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
Log Function Type	Automatic with Auto-Read and Timed Read Modes, Manual with Continuous Read Mode
Range (RDO)	0.0 to 600.0% saturation; 0.01 to 90.0 mg/L or ppm
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
Percent Saturation Range (RDO)	0.0 to 600.0% saturation
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
Percent Saturation Relative Accuracy (RDO)	±2% saturation
Range (Polarographic DO)	0.0 to 600.0% saturation; 0.01 to 90.0 mg/L or ppm
Range (mV)	-2000 to 2000 mV
Accuracy (Barometer)	±6.0 mmHg; ±0.008 bar
Range (ORP)	-2000 to 2000 mV
Methods	10 per channel (20 total)
Range (pH)	-2 to 20
Accuracy (pH)	±0.002 pH
Range (ISE)	0.0001 to 19999
Resolution (RDO)	0.1, 1% saturation; 0.01, 0.1 mg/L or ppm
Percent Saturation Resolution (RDO)	0.1, 1% saturation
Resolution (DO)	0.1, 1% saturation; 0.01, 0.1 mg/L or ppm
Percent Saturation Relative Accuracy (Polarographic DO)	±2% saturation
Inputs	Channel 1: BNC for pH, ORP or ISE, 8-pin MiniDIN for ATC, pin-tip for reference; Channel 2: 9-pin MiniDIN for dissolved oxygen with ATC
Weight (Metric)	1.00 kg
Resolution (ORP)	0.1 mV
Accuracy (DO)	±2% saturation; ±0.02 mg/L or ppm
Isopotential Point	7.000 pH; 1.000 ion concentration
Accuracy (Polarographic DO)	±2% saturation; ±0.02 mg/L or ppm
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
Calibration	pH, ORP, Ion Concentration, DO, Barometric Pressure, 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 2 (DO), 1 (barometer), 1 to 2 (temperature)
Alarm Output	Calibration reminder alarm, high and low limit alarm per parameter
IP Rating	IP54
Percent Saturation Resolution (Polarographic DO)	0.1, 1% saturation
Weight (English)	2.20 lbs.
Range (Ion)	0.0001 to 19999
Temperature Range (Metric)	-30.0°C to +130.0°C
Range (DO)	0.0 to 600.0% saturation; 0.01 to 90.0 mg/L or ppm
Temperature Resolution	0.1°C, 0.1°F
Accuracy (RDO)	±2% saturation; ±0.02 mg/L or ppm

Thermo Scientific™ Orion Star™ A123 Dissolved Oxygen Portable Meter

Take simple dissolved oxygen and temperature measurements with this portable meter with easy operation for basic field testing.

Pricing & Availability
Specifications

Temperature (Metric) Range	0.0°C to 50.0°C
Resolution (Polarographic DO)	0.01, 0.1mg/L
Pressure Range	450 to 850mmHg (manual entry)
Memory	Non-volatile memory preserves log and settings
Languages	English
Measurement Modes	Dissolved Oxygen (% Saturation),Dissolved Oxygen (mg/L with Temperature)
Channels	1
Power Supply	4 AA batteries (included) or universal AC adapter (sold separately)
Barometric Pressure Correction	450 to 850mmHg, automatic with manual entry
Battery Life	2000 hours
Data Management Details	Internal data point memory
Display Type	LCD
Data Points	50
Calibration Modes	Water-saturated air, manual (Winkler titration)
Percent Saturation Relative Accuracy (Polarographic DO)	±2 % saturation or ±2% of reading whichever is greater
Certifications/Compliance	CE, TUV 3-1, FCC Class A
Temperature Probe Calibration	1 point temperature offset calibration
Inputs	9 pin MiniDIN (polarographic DO sensor with built-in temperature)
Accuracy (Temperature)	±0.1°C
Weight (Metric)	0.5 kg
Salinity Factor	0 to 45 ppt, automatic correction using manual entry of sample salinity
Stability	Smart Stability and Smart Averaging
Warranty	3 Year Meter Warranty
Temperature (English) Operating	41°F to 113°F (ambient)
Accuracy (Polarographic DO)	±0.2mg/L or ±2% of reading, whichever is greater
AC Adapter	Universal 50-60 Hz, 100-240 VAC power adapter (sold separately, Cat. No. 1010003)
Sensor Types	Polarographic Dissolved Oxygen Sensor
Log Function Type	Automatic with Auto-Read Measure Mode, Manual with Continuous Measure Mode
Battery Type	Four AA (included)
Relative Humidity Range	5 to 85 %, non-condensing
Dimensions (L x W x H)	24 cm x 10 cm x 6.5 cm (9.5 in. x 3.9 in. x 2.6 in.)
IP Rating	IP-67
Temperature Selection	Automatic with ATC temperature probe
Percent Saturation Resolution (Polarographic DO)	0.1, 1 % saturation
Keypad	Simple with highlighted measure key, scroll and shortcut keys
Outputs	None
Weight (English)	2 lb.
Resolution (Temperature)	0.1°C (0.1°F)
Temperature (Metric) Operating	5°C to 45°C (ambient)
Range (Polarographic DO)	0.00 to 20.00 mg/L
Percent Saturation Range (Polarographic DO)	0.0 to 200.0 % saturation

Thermo Scientific™ Elite ORP Pocket Testers and Replacement Sensors

Flexible on-the-go ORP testing using durable Elite ORP pocket testers with replaceable sensors for a variety of applications including hydroponics, food and beverage, environmental and more!

Pricing & Availability

OHAUS™ Starter ORP Pen Meters

Portable ORP measurement.

Pricing & Availability
Specifications

Accuracy	2 mV
Display Type	LCD
Range (Conductivity)	-1000 to +1000 mV
Weight (English)	0.23 lb.
Material	ABS
For Use With (Application)	Measure the availability of electrons in a liquid
Range (mV)	-1000 to +1000 mV
Battery Type	Micro Alkaline
Ambient Temperature (Metric)	0 to 50°C
Weight (Metric)	105 g
Resolution	1 mV

OHAUS™ Starter Conductivity Pen Meters With Temperature Display

Small but productive conductivity meters. OHAUS Starter Conductivity Pen Meters with Temperature Display are the choice for basic testing needs of the total ionic concentration within a solution. They are durable with IP67 waterproof design and provide fast and straight forward results.

Pricing & Availability

OHAUS™ Starter TDS Pen Meter With Temperature Display

TDS meters with a temperature display. OHAUS Starter TDS Pen Meter provides reliable and accurate measurement of TDS in a portable and compact design. Combined content of all organic and inorganic substances in a liquid can also be measured.

Pricing & Availability

Thermo Scientific™ Orion Lab Star EC112 Conductivity Bench Meters

Orion Lab Star EC112 conductivity bench meters measure conductivity, salinity or TDS with temperature, feature a large backlit display for easy viewability, and offer small footprint to save bench space. This conductivity meter is ideal for simplified, budget-friendly lab testing and data recording.

Pricing & Availability
Specifications

Salinity Measurement Modes	Natural Seawater (ppt) or Practical Salinity (PSU)
Memory	Non-volatile
Cell Constant	0.100 to 10.00 cm-1
Measurement Modes	Conductivity with Temperature,Salinity with Temperature,TDS with Temperature
Temperature (Metric) Reference	15.0, 20.0, 25.0 or 30.0°C
Temperature Coefficient	0 to 10 %/°C
TDS Factor Range	0.40 to 1.00
Range (Salinity)	0.00 to 80.0 ppt; 0.00 to 42.0 PSU
Data Management Details	Continuous, Auto-Read and Timed read modes
Temperature Compensation	Linear (0 to 10 %/°C) or off
Display Type	5 in. backlit LCD
Accuracy (Salinity)	±0.5 % of the reading ± 1 LSD
Resolution (Salinity)	0.01, 0.1 ppt; 0.01, 0.1 PSU
Accuracy (Conductivity)	±0.5 % of the reading ± 1 LSD
Data Points	500 Sets with Date and Time Stamp
Certifications/Compliance	CE, TUV 3-1, FCC Class A
Temperature Probe Calibration	1 point temperature offset calibration
Inputs	8-pin MiniDIN for conductivity with built-in ATC
Accuracy (Temperature)	±0.3°C, ±0.5°F
Weight (Metric)	700 grams
Calibration Points (Conductivity)	1-5 points conductivity
Warranty	3 year meter warranty
Resolution (Conductivity)	0.01, 0.1, 1 μS; 0.01, 0.1 mS
Range (Conductivity)	0.00 μS to 500.0 mS
AC Adapter	Universal 100-240 V 50/60 Hz power supply with twist-and-lock meter connection and interchangeable 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
Resolution (TDS)	0.01, 0.1, 1 ppm; 0.01, 0.1 ppt
Calibration	Conductivity, salinity, TDS and temperature
Calibration Points	1 point salinity, 1-5 points TDS, 1 point temperature
Alarm Output	Calibration reminder alarm
Dimensions (L x W x H)	187.2 x 155.2 x 61.7 mm, 7.37 x 6.11 x 2.43 in.
Accuracy (TDS)	±0.5 % of the reading ± 1 LSD
IP Rating	IP54
Temperature Selection	Manual or automatic with ATC temperature probe
Outputs	Computer or printer (STARA-106)
Backlight Option	Yes
Temperature Range (English)	23.0°F to 221.0°F
Weight (English)	1.54 lb.
Resolution (Temperature)	0.1°C, 0.1°F
Temperature Range (Metric)	-5.0°C to +105.0°C
Compatible Probes	2-cell and 4-cell conductivity electrodes

Thermo Scientific™ Orion™ Pro Star PI217 Dual Channel pH/Ion Bench Meter

Designed to provide accurate and reliable pH, ORP, ion concentration and temperature analysis, the Thermo Scientific™ Orion™ Pro Star PI217 dual channel bench meter is well suited for laboratories that desire a modern meter with advance performance.

Pricing & Availability
Specifications

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,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	2
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	Channel 1: BNC for pH, ORP or ISE, 8-pin MiniDIN for ATC, pin-tip for reference; Channel 2: BNC for pH, ORP or 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	PI217
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 per channel (20 total)

Promotions Available

Mettler Toledo Titrator Karl Fischer EVA C3 X

An advanced Titrator EVA C3 X crafted for precise trace water determination in various sample types

Pricing & Availability

OHAUS™ Starter Water Analysis Portable Meters

Portable, lightweight meters feature productivity and versatility in the field or lab. OHAUS Starter Water Analysis Portable Meter is a compact meter with intuitive software/organized display for ultimate usability.

Pricing & Availability

Electrochemistry Meters

Filtered Search Results

Narrow Results