accessibility menu, dialog, popup

UserName
Viewing profile as user:

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 (319)
Conductivity Meters (184)
Dissolved Oxygen Meters (72)
Chlorine Meters (48)
Biological Oxygen Demand Meters (38)
Karl Fisher Titrators (31)
ISE Concentration Meters (30)
Inline Electrochemistry Analyzers (30)
Oxidation Reduction Potential Meters (25)
Water Activity Analyzers (12)

Filtered Search Results

Products from some of our suppliers do not display in filtered search results. Please clear all filters to see these products.

Narrow Results

Narrow Results

category

special offers

  • (82)
  • (72)

brands

  • (1)
  • (1)
  • (1)
  • (21)
  • (2)
  • (10)
  • (2)
  • (4)
  • (5)
  • (1)
  • (2)
  • (44)
  • (4)
  • (1)
  • (2)
  • (5)
  • (6)
  • (2)
  • (15)
  • (39)
  • (1)
  • (1)
  • (1)
  • (3)
  • (1)
  • (15)
  • (136)
  • (2)
  • (5)
  • (3)
  • (1)
  • (4)
  • (1)
  • (4)
  • (85)
  • (1)
  • (9)
  • (6)
  • (2)
  • (1)
  • (1)
  • (1)
  • (26)
  • (2)
  • (1)
  • (1)
  • (1)
  • (1)
  • (2)
  • (1)
  • (3)
  • (4)
  • (3)
  • (1)
  • (1)
  • (167)
  • (7)
  • (5)
  • (1)
  • (1)
  • (37)
  • (1)

special interests

  • (23)
  • (3)
  • (25)
  • (88)

Measurement Modes

  • (8)
  • (8)
  • (13)
  • (94)
  • (15)
  • (8)
  • (23)
Show all

Display Type

  • (2)
  • (4)
  • (2)
  • (23)
  • (5)
  • (5)
  • (1)
Show all

IP Rating

  • (5)
  • (12)
  • (8)
  • (83)
  • (90)
  • (19)

Temperature Range (Metric)

  • (1)
  • (24)
  • (1)
  • (6)
  • (13)
  • (2)
  • (46)
Show all

Range (pH)

  • (3)
  • (2)
  • (1)
  • (1)
  • (9)
  • (103)
  • (1)
Show all

Range (mV)

  • (12)
  • (1)
  • (23)
  • (33)
  • (1)
  • (1)
  • (12)
Show all

Range (Conductivity)

  • (1)
  • (8)
  • (1)
  • (1)
  • (1)
  • (2)
  • (2)
Show all

Range (Salinity)

  • (3)
  • (4)
  • (1)
  • (25)
  • (3)
  • (2)
  • (6)
Show all

Range (TDS)

  • (3)
  • (3)
  • (4)
  • (3)
  • (1)
  • (2)
  • (1)
Show all

Range (Resistivity)

  • (3)
  • (4)
  • (1)
  • (1)
  • (2)
  • (7)
  • (1)
Show all

Search Within Results
Keyword Search:
16 – 30 of 606 results
16
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
17

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.

18

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.

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
Percent Saturation Range Polarographic DO 0.0 to 200.0 % saturation
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
19

Thermo Scientific™ Elite CTS Conductivity / TDS / Salinity Cup-sensor Pocket Testers and Replacement Sensors

Flexible on-the-go conductivity, TDS, salinity and temperature testing using durable Elite CTS cup-sensor pocket testers for a variety of applications including agriculture, aquariums 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
Range (TDS) 0.00 to 10.00 ppt
Measurement Modes 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
TDS Factor Range 0.40 to 1.00 (selectable)
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
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
20

Ohaus™ Starter ST20M-C Multi-Parameter Pen Meter

Compact design for fast, convenient electrochemistry reading. Measure conductivity, pH, temperature and salinity with the same meter. IP67, automatic temperature compensation, 3-point calibration and auto-off after 6 minutes of non-use

21

Thermo Scientific™ Elite pH Pocket Testers and Replacement Sensors

Flexible on-the-go pH and temperature testing using durable Elite pocket testers with replaceable sensors for a variety of applications including environmental monitoring, pools, spas and more!

22
Promotions Available

Mettler Toledo™ Conductivity Meter SevenDirect SD30
GREENER_CHOICE

The SevenDirect SD30 is an accurate and flexible benchtop meter for the determination of conductivity, total dissolved solids and salinity. The instrument is the replacement of the SevenCompact and is delivered with an EasyPlace sensor arm.

Range (Resistivity) 0 to 100 Mohm-cm
Resolution (Conductivity) 0.001 to 1
Memory 2000 Standard Measurements
Range (Conductivity) 0.001 μS/cm to 2000 mS/cm
Range (TDS) 0 g/L to 100 g/L
Measurement Modes Conductivity
Channels 1
Range (Salinity) 0 to 80 ppt
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) 0.005
Data Points 2000
Temperature Range (English) -22°F to +266°F
Weight (English) 1.9 lb.
Resolution (Temperature) 0.1°C
Temperature Range (Metric) -30°C to +130°C
Accuracy (Temperature) ±0.1°C between 0°C and 100°C
Weight (Metric) 850 g
23
Promotions Available

Mettler Toledo™ FiveGo™ F4 DO Meters

Portable meter provides reliable and high quality dissolved oxygen (DO) measurements with simple click of a button

Range (RDO) 0 to 45 mg/L
Type Dissolved Oxygen Portable Meter
Temperature (Metric) Range 0°C to 50°C
IP Rating IP67
Memory 200 measurements
Model DO PORTABLE F4
Sensor Types Dissolved Oxygen Sensor
Percent Saturation Range Polarographic DO 0 to 400%
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
Measurement Modes Dissolved Oxygen
Range (Polarographic DO) 0 to 45 mg/L
Channels 1
Relative Humidity Range 5 to 85%
24
Promotions Available

Fisherbrand™ accumet™ AR425 pH/ion Meter with Stand

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.

EDGE
25

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.

EDGE
26

Fisherbrand™ Traceable™ pH/ORP/Temperature Meter

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

EDGE
27
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.

EDGE
IP Rating IP67
Certifications/Compliance ISO 9001:2000
28

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!

EDGE
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
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
29

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.

EDGE
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)
30

Mettler Toledo™ Expansion Module for SevenExcellence™ DO/BOD Meters

For use with SevenExcellence Dissolved Oxygen and DO/BOD Meters.

EDGE