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Conductivity Meters

Conductivity Meters

Benchtop or portable instruments and probes used to measure temperature and electrical conductivity of water or solutions; used in hydroponics, aquaculture, aquaponics, and freshwater systems to monitor quantities of nutrients, salts, or impurities.
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Measurement Modes

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IP Rating

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Range (Salinity)

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1 – 15 of 61 results
1

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.

Promotions are available
EDGE
2

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.

Promotions are available
3

Fisherbrand™ Traceable™ Dual-Display Conductivity Meter

Measures conductivity and temperature; includes NIST™ traceability certificate.

Promotions are available
4

Fisherbrand™ accumet™ AE6C Portable Conductimeter Kit

Sturdy and economical, the AE6C combines ease-of-use with high performance. This handy meter is IP54 rated and comes with a conductivity/TDS electrode with an automatic temperature compensation function, making it great for fieldwork.

Promotions are available
5

Thermo Scientific™ Orion Star™ A212 Conductivity Benchtop Meter
BIOPHARMA

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

Promotions are available
Salinity Measurement Modes Practical salinity (psu) or natural sea water (ppt)
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 and Chinese; Portuguese and Korean available with software update
Measurement Modes Conductivity,TDS,Salinity,Resistivity with Temperature
Power Supply Universal AC adapter (included) or 4 AA batteries (sold separately)
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 2000 with date and time stamp
Certifications/Compliance CE, TUV 3-1, FCC Class A
Temperature Probe Calibration 1 point temperature offset calibration
Stability Selectable fast, medium, slow or Smart Stability setting; Selectable off or Automatic Smart averaging setting
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 data logging with Auto-Read and Timed measure modes; manual data logging with Continuous m
Battery Type 4 x AA (sold separately)
Relative Humidity Range 5 to 85%, non-condensing
Dimensions (L x W x H) 24 x 18 x 11 cm (9.5 x 7.1 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
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 5, 10, 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), nLFu (non-linear ultra pure degassed water), EP (off wit
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), stirrer input (stirrer probe)
Accuracy (Temperature) ±0.1°C
Weight (Metric) 0.9 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 (Cat. No. 1010003)
Resolution (TDS) 0.001 ppm minimum, auto ranging up to 4 significant digits
Calibration Conductivity with calibration editing option and temperature
Alarm Output High/low limit alarm, calibration due alarm
IP Rating IP54
Model Orion Star A212 Conductivity/TDS/Salinity/Resistivity/Temperature Benchtop Meter
Weight (English) 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
6

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.

Promotions are available
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
7

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.

Promotions are available
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 data sets with time and date
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
9

Thermo Scientific™ Eutech CON 450 Handheld Meter Kit

Backlit, rugged waterproof meter is ideal for any environment

Promotions are available
10

Thermo Scientific™ Orion Star™ A322 Conductivity Portable Meter
BIOPHARMA

Accurately monitor conductivity, TDS, salinity, resistivity and temperature with this conductivity portable meter designed for challenging field tests.

Promotions are available
Salinity Measurement Modes Practical salinity (psu) or natural sea water (ppt)
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 and Chinese; Portuguese and Korean available with software update
Measurement Modes Conductivity,TDS,Salinity,Resistivity with Temperature
Power Supply 4 AA batteries (included) or universal AC adapter (sold separately)
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 5000 with date and time stamp
Certifications/Compliance CE, TUV 3-1, FCC Class A
Temperature Probe Calibration 1 point temperature offset calibration
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 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 5, 10, 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), nLFu (non-linear ultra pure degassed water), EP (off wit
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
Resolution (TDS) 0.001 ppm minimum, auto ranging up to 4 significant digits
Calibration Conductivity with calibration editing option and temperature
Alarm Output High/low limit alarm, calibration due alarm
IP Rating IP67
Model Orion Star A322 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
11

Thermo Scientific™ Orion Star™ A222 Conductivity Portable Meter
BIOPHARMA

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

Promotions are available
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 and 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 data logging with Auto-Read measure mode; manual data logging 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
12

Thermo Scientific™ Eutech™ CON 150 Conductivity Meter

Get quick and accurate conductivity measurements in the field, laboratories, and schools.

Promotions are available
13

Thermo Scientific™ Eutech™ CyberScan COND 610 Waterproof Handheld Conductivity Meter

Get quick and accurate conductivity measurements in the field, laboratories, and schools.

14

Mettler Toledo™ FiveGo™ F3 Conductivity Meters

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

Promotions are available
Memory 200 measurements
Range (Conductivity) 0.00 μS/cm to 200 mS/cm
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
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
Accuracy (Conductivity) ±0.5% of the measured value
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
15

Mettler Toledo™ FiveEasy™ Plus FP30 Conductivity Meters

Compact, benchtop meter provides high quality conductivity measurements with simple click of a button

Promotions are available
Resolution (Conductivity) Automatic range
Memory 200 measurements, current calibration
Range (Conductivity) 0.01 μS/cm to 500 mS/cm
Calibration One point calibration with three predefined standards, manual cell constant input
Dimensions (L x W x H) 22.7 x 14.7 x 7 cm (9 x 5.7 x 2.7 in.)
Data Management Details RS232 or USB ports
Temperature Compensation Linear: 0.00%/°C to 10.00%/°C, reference temperature: 20° and 25°C
Voltage 100/240V
Accuracy (Conductivity) ±0.5% of the measured value
Frequency 50/60Hz
Temperature Range (English) 32°F to 212°F
Weight (English) 1.4 lb.
Resolution (Temperature) 0.1°C
Inputs Mini-DIN
Accuracy (Temperature) 0.3°C
Weight (Metric) 0.63 kg