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Electrochemistry Meters

Multiparameter Meters (330)
Conductivity Meters (159)
Dissolved Oxygen Meters (76)
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61 – 75 of 590 results
61

Thermo Scientific™ Orion™ Versa Star Pro™ pH/ISE/Conductivity/Dissolved Oxygen Multiparameter Benchtop Meter
SDP

Get premium performance and flexibility with our multiparameter benchtop meter with pH/ISE, conductivity and RDO/DO modules to measure up to four channels at once.

Power Rating DC input: 9VDC, 1A
Salinity Measurement Modes Practical salinity (psu) or natural sea water (ppt)
Resolution (Polarographic DO) 0.01, 0.1mg/L
Pressure Range 400 to 850mmHg
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, Chinese, Portuguese and Korean
Measurement Modes pH,mV,Relative mV,ORP,Ion Concentration (ISE) with Temperature,TDS,Conductivity,Salinity
Resolution (ISE) 0.0001 minimum, 1 to 4 significant digits (user selectable)
Power Supply Universal AC adapter (included)
Barometric Pressure Correction 400 to 850mmHg, automatic using built-in barometer or manual entry
Data Management Details Transfer single, range or all data points to printer or computer
Display Type Color graphic LCD with user-customizable options
Resolution (mV) 0.1mV
Data Points 2000 with Date and Time Stamp
Calibration Modes Water-saturated air, air-saturated water, manual (Winkler titration), zero point
Temperature Probe Calibration 1 point temperature offset calibration
Certifications/Compliance CE, TUV 3-1, FCC Class A
Salinity Factor 0.0 to 45.0 ppt, automatic correction using conductivity reading or manual entry of sample salinity
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
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 6
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, Timed and Single Shot measure modes; manual data logging with
Percent Saturation Range Polarographic DO 0.0 to 600.0% saturation
Relative Humidity Range 5 to 85%, non-condensing
Range (RDO) 0.00 to 50.00mg/L
Dimensions (L x W x H) 28 x 24 x 10cm (11 x 9.5 x 3.9 in.), modules add ≤ 2cm (0.8 in.) L & H
Accuracy (TDS) 0.5% of reading ±1 digit
Temperature Selection Manual or automatic with ATC temperature probe
Percent Saturation Range (RDO) 0.0 to 500.0% saturation
Keypad Numeric with menu-specific function keys and dual purpose scroll/shortcut keys
Outputs USB (2), RS232
Temperature Range (English) 22.0°F to 221.0° F
Range (Relative mV) ±2000.0 mV
Calibration Points (pH) 1 to 6
Backlight Option Yes
Percent Saturation Relative Accuracy (RDO) ±2% saturation ≤ 200% saturation, ±10% saturation > 200% saturation
Range (Polarographic DO) 0.00 to 90.00mg/L
Range (mV) ±2000.0 mV
Accuracy (Barometer) ±6 mmHg
Range (ORP) ±2000.0 mV
Pressure Resolution 0.1mmHg
Cell Constant 0.001 to 199.9cm-1
Temperature (Metric) Reference 5°, 10°, 15°, 20°, 25°C
Range (pH) -2 to 20
TDS Factor Range Linear (0.02 to 9.99)
Channels 4 (Customizable with modules)
Accuracy (pH) ±0.002
Range (ISE) 0.0001 to 19990 with selectable units of ppm, Molar, mg/L, %, ppb or none
Range (Salinity) 0.06 to 80.00 psu, 0.05 to 42.00 ppt
Resolution (RDO) 0.01, 0.1mg/L
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
Percent Saturation Resolution (RDO) 0.1, 1% saturation
Accuracy (Conductivity) 0.5% of reading ±1 digit > 3 μS; 0.5% of reading ±0.01 μS ≤ 3 μS
Weight (Metric) 1.2 kg, modules add 0.2 kg each
Calibration Points (Conductivity) Up to 6
Temperature (English) Operating 41°F to 113°F (ambient)
Resolution (Resistivity) 1 ohm or 0.1 meg-ohm, auto ranging
Isopotential Point 7.000pH (adjustable), 1.000 ISE (adjustable)
Accuracy (Polarographic DO) ±0.2 mg/L or ±2% of reading, whichever is greater
Accuracy (Resistivity) 0.5% of reading ±1 digit
AC Adapter Universal 50-60 Hz, 100-240 VAC power adapter (Cat. No. STARA-PWR)
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, ion concentration (ISE) with calibration editing option, relativ
Calibration Points 1 point relative mV (RmV) mode, 1 point ORP mode
Alarm Output Set point alarm, high/low limit alarm, calibration due alarm
IP Rating IP54
Percent Saturation Resolution (Polarographic DO) 0.1, 1% saturation
Weight (English) 2.5 lb., modules add 0.5 lb. each
Temperature (Metric) Operating 5°C to 45°C (ambient)
Temperature Range (Metric) -5.0°C to +105.0°C
Percent Saturation Range (Polarographic DO) 0.0 to 600.0% saturation
Temperature Resolution 0.1°C, 0.1°F
Accuracy (RDO) ±0.1 mg/L up to 8 mg/L, ±0.2 mg/L from 8 to 20 mg/L, ±10% of reading up to 50 mg/L
62

Thermo Scientific™ Orion Star™ A324 pH/ISE Portable Multiparameter Meter
SDP

Accurately monitor pH, ion concentration, mV, ORP and temperature with our pH/ISE portable meter for challenging field testing.

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 4 AA batteries (included) or universal AC adapter (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 5000 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 (included)
Relative Humidity Range 5 to 85 %, non-condensing
Dimensions (L x W x H) 24cm x 10cm x 6.5cm (9.5 in. x 3.9 in. x 2.6 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 to 20
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)
Weight (Metric) 0.5 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 (sold separately, 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 IP67
Model Orion Star A324 pH/ISE/mV/RmV/ORP/Temperature Portable Meter
Weight (English) 1.2 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
63

Thermo Scientific™ Orion Star™ A123 Dissolved Oxygen Portable Meter
SDP

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
64
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
65

Thermo Scientific™ Orion Lab Star EC112 Conductivity Bench Meters
GSA_VA SDP

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.

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
66

Thermo Scientific™ Orion™ Versa Star Pro™ pH/ISE Benchtop Multiparameter Meter
SDP

Get premium performance and ultimate flexibility with our benchtop meter with pH/ISE module for pH, ion concentration, and temperature.

Power Rating DC input: 9VDC, 1A
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, Chinese, Portuguese and Korean
Measurement Modes pH,mV,Relative mV,ORP,Ion Concentration (ISE) with Temperature
Range (pH) -2 to 20
Resolution (ISE) 0.0001 minimum, 1 to 4 significant digits (user selectable)
Channels 4 (Customizable with modules)
Accuracy (pH) ±0.002
Range (ISE) 0.0001 to 19990 with selectable units of ppm, Molar, mg/L, %, ppb or none
Power Supply Universal AC adapter (included)
Data Management Details Transfer single, range or all data points to printer or computer
Display Type Color graphic LCD with user-customizable options
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
Weight (Metric) 1.2 kg, modules add 0.2 kg each
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 and module warranty
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 6
Temperature (English) Operating 41°F to 113°F (ambient)
Isopotential Point 7.000pH (adjustable), 1.000 ISE (adjustable)
AC Adapter Universal 50-60 Hz, 100-240 VAC power adapter (Cat. No. STARA-PWR)
Log Function Type Automatic data logging with Auto-Read, Timed and Single Shot measure modes; manual data logging with
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 Set point alarm, high/low limit alarm, calibration due alarm
Dimensions (L x W x H) 28cm x 24cm x 10cm (11 in. x 9.5 in. x 3.9 in.), modules add ≤ 2cm (0.8 in.) L & H
Temperature Selection Manual or automatic with ATC temperature probe
IP Rating IP54
Keypad Numeric with menu-specific function keys and dual purpose scroll/shortcut keys
Outputs USB (2), RS232
Temperature Range (English) 22.0°F to 221.0° F
Range (Relative mV) ±2000.0 mV
Calibration Points (pH) 1 to 6
Backlight Option Yes
Weight (English) 2.5 lb., modules add 0.5 lb. each
Temperature (Metric) Operating 5°C to 45°C (ambient)
Temperature Range (Metric) -5.0°C to +105.0°C
Range (mV) ±2000.0 mV
Range (ORP) ±2000.0 mV
Methods 10 per channel
Temperature Resolution 0.1°C, 0.1°F
67

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

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.

68

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

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

69
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.

70

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.

71

OHAUS™ StarterTDS Pen Meters

TDS meters without temperature display. OHAUS Starter TDS Pen Meters have durable IP67 waterproof design and provides fast, straightforward results.

72
Promotions Available

Mettler Toledo Titrator Karl Fischer EVA C1 X

A cutting-edge (EVA C1 X) solution designed for precise and efficient trace water determination across diverse sample types

73
Promotions Available

Mettler Toledo Titrator Karl Fischer EVA C1 D

A cutting-edge solution designed for precise and efficient trace water determination across diverse sample types

74

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

Flexible on-the-go conductivity, TDS, salinity and temperature testing using durable Elite CTS pin-sensor pocket testers for a variety of applications including hydroponics, pools, spas 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
75

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