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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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1 – 14 of 14 results
1

Thermo Scientific™ Orion™ Pro Star EC212 Conductivity Bench Meter with Stand

Designed to provide accurate and reliable conductivity, TDS, salinity, resistivity and temperature analysis, the Thermo Scientific™ Orion™ Pro Star EC212 bench meter is well suited for laboratories that desire a modern meter with advance performance.

Salinity Measurement Modes Natural Seawater (ppt), Practical Salinity Units (PSU), or % NaCl
Range (Resistivity) 1.0 Ω to 100.0 MΩ
Memory Non-volatile
Languages Chinese, English, French, German, Italian, Japanese, Korean, Portuguese, Spanish
Cell Constant 0.100 cm-1, 0.475 cm-1, 0.550 cm-1, 1.000 cm-1, 10.00 cm-1 or user-defined from 0.001 to 199.9 cm-1
Measurement Modes Conductivity with Temperature,TDS with Temperature,Salinity with Temperature,Resistivity with Temperature
Temperature (Metric) Reference 5, 10, 15, 20, 25 or 30°C
Channels 1
TDS Factor Range Linear (0.01 to 10.00), ISO/EN 27888, 442, NaCl
Range (Salinity) 0.010 to 80.00 ppt; 0.01 to 42.00 PSU; or 0.01 to 400.0% NaCl
Temperature Compensation Linear (0.00 to 10.00 %/°C), nLFn (non-linear natural water), nLFu (non-linear ultra-pure water), EP/USP or off
Display Type 7-in. High-resolution Color Graphic LCD
Accuracy (Salinity) ±0.5% reading
Resolution (Salinity) 0.001 ppt minimum; 0.01 PSU minimum; or 0.01% NaCl minimum, auto-ranging
Accuracy (Conductivity) ±0.5% reading
Data Points 10,000 with Date and Time Stamp
Certifications/Compliance CE, TUV 3-1, FCC Class A
Temperature Probe Calibration 1 or 2 point temperature offset calibration
Inputs 8-pin MiniDIN for conductivity with ATC
Accuracy (Temperature) ±0.3°C, ±0.5 °F
Weight (Metric) 1 kg
Calibration Points (Conductivity) 1 to 5 points
Warranty 2 year meter warranty
Resolution (Resistivity) 0.1 Ω minimum, auto-ranging
Resolution (Conductivity) 0.001 μS/cm minimum, auto-ranging, up to 4 digits
Range (Conductivity) 0.010 μS/cm to 3000 mS/cm
Accuracy (Resistivity) ±0.5% reading
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
Range (TDS) 0.010 ppm to 500.0 ppt (TDS factor of 1.00); or 0.010 mg/L to 500.0 g/L (TDS factor of 1.00)
Resolution (TDS) 0.001 ppm or mg/L minimum, auto-ranging, up to 4 digits
Calibration Conductivity, TDS, Salinity, Temperature
Calibration Points 1 to 5 (conductivity), 1 to 5 (TDS), 1 (salinity), 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.
Accuracy (TDS) ±0.5% reading
IP Rating IP54
Temperature Selection Automatic with ATC temperature sensor, ambient or manual
Keypad Capacitive touchscreen user interface
Model EC212
Outputs USB flash drive, computer or printer (STARA-106)
Backlight Option Yes
Temperature Range (English) -22°F to +266°F
Weight (English) 2.20 lbs.
Resolution (Temperature) 0.1°C, 0.1°F
Temperature Range (Metric) -30°C to +130°C
Methods 10
2

Thermo Scientific™ Eutech™ CON 150 Conductivity Meter

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

3

Mettler Toledo™ FiveEasy™ F30 Conductivity Meters

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

Resolution (Conductivity) Automatic range
Memory Current calibration
Range (Conductivity) 0.01 μS/cm to 200 mS/cm
Range (TDS) 0 mg/L to 300 mg/L
Measurement Modes Conductivity
Calibration One point calibration with three predefined standards
Range (Salinity) 0 to 42 psu
Dimensions (L x W x H) 22.7 x 14.7 x 7 cm (9 x 5.7 x 2.7 in.)
Temperature Compensation Linear: 0.00%/°C to 10.00%/°C, reference temperature: 20° and 25°C
Display Type LCD
Voltage 100/240 V
Accuracy (Conductivity) ±0.5% of the measured value
Model F30
Frequency 50/60Hz
Data Points 200
Temperature Range (English) 32°F to 212°F
Weight (English) 1.4 lb.
Resolution (Temperature) 0.1°C
Temperature Range (Metric) -5°C to +105°C
Inputs Mini-DIN
Accuracy (Temperature) 0.5°C
Weight (Metric) 0.63 kg
4

Mettler Toledo™ FiveGo™ F3 Conductivity Meters

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

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
Range (TDS) 0 mg/L to 200 g/L
Measurement Modes Conductivity
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
IP Rating IP67
Accuracy (Conductivity) ±0.5% of the measured value
Data Points 200
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
5

Mettler Toledo™ FiveEasy™ Plus FP30 Conductivity Meters

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

Resolution (Conductivity) Automatic range
Memory 200 measurements, current calibration
Range (Conductivity) 0.01 μS/cm to 500 mS/cm
Range (TDS) 0 mg/L to 300 mg/L
Measurement Modes Conductivity
Calibration One point calibration with three predefined standards, manual cell constant input
Range (Salinity) 0 to 42 psu
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
Display Type LCD
Voltage 100/240 V
Accuracy (Conductivity) ±0.5% of the measured value
Model FP30
Frequency 50/60Hz
Data Points 200
Temperature Range (English) 32°F to 212°F
Weight (English) 1.4 lb.
Resolution (Temperature) 0.1°C
Temperature Range (Metric) -5°C to +105°C
Inputs Mini-DIN
Accuracy (Temperature) 0.3°C
Weight (Metric) 0.63 kg
6

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.

7

Thermo Scientific™ Orion™ Versa Star Pro™ Conductivity Benchtop Meter
BIOPHARMA

Get high accuracy, premium performance and ultimate flexibility with this conductivity benchtop meter designed for conductivity, total dissolved solids (TDS), salinity, resistivity and temperature.

Power Rating DC input: 9VDC, 1A
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, Chinese, Portuguese and Korean
Measurement Modes Conductivity,TDS,Salinity,Resistivity with Temperature
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
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
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
Relative Humidity Range 5 to 85%, non-condensing
Dimensions (L x W x H) 28 x 24 x 10 cm (11 x 9.5 x 3.9 in.), modules add ≤ 2 cm (0.8 in.) L & H
Accuracy (TDS) 0.5% of reading ±1 digit
Temperature Selection Manual or automatic with ATC temperature probe
Keypad Numeric with menu-specific function keys and dual purpose scroll/shortcut keys
Outputs USB (2), RS232
Backlight Option Yes
Compatible Probes 2-cell or 4-cell conductivity sensors with built-in temperature
Methods 10 per channel
Cell Constant 0.001 to 199.9 cm-1
Temperature (Metric) Reference 5, 10, 15, 20, 25°C
Channels 4 (Customizable with modules)
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), two stirrer inputs (stirrer probe)
Accuracy (Temperature) ±0.1°C
Weight (Metric) 1.2 kg, modules add 0.2 kg each
Calibration Points (Conductivity) 6
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. STARA-PWR)
Resolution (TDS) 0.001 ppm minimum, auto ranging up to 4 significant digits
Calibration Conductivity with calibration editing option and temperature
Alarm Output Set point alarm, high/low limit alarm, calibration due alarm
IP Rating IP54
Weight (English) 2.5 lb., modules add 0.5 lb. each
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
8

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
9

Thermo Scientific™ Orion Star™ A122 Conductivity Portable Meter
BIOPHARMA

Take simple conductivity, TDS and temperature measurements with this conductivity portable meter with easy operation for basic field testing.

Memory Non-volatile memory preserves log and settings
Languages English
Cell Constant 0.001 to 10cm-1
Measurement Modes Conductivity,TDS with Temperature
Temperature (Metric) Reference 20, 25°C
Channels 1
TDS Factor Range Linear (0.02 to 9.99)
Power Supply 4 AA batteries (included) or universal AC adapter (sold separately)
Battery Life 2000 hr.
Data Management Details Internal data point memory
Temperature Compensation Linear
Display Type LCD
Accuracy (Conductivity) 0.5% of reading ±1 digit
Data Points 50
Certifications/Compliance CE, TUV 3-1, FCC Class A
Temperature Probe Calibration 1 point temperature offset calibration
Inputs 8 pin MiniDIN (conductivity sensor with built-in temperature)
Accuracy (Temperature) ±0.1°C
Weight (Metric) 0.5 kg
Calibration Points (Conductivity) 1
Stability Smart Stability and Smart Averaging
Warranty 3 Year Meter
Temperature (English) Operating 41°F to 113°F (ambient)
Resolution (Conductivity) 0.01 μS minimum, auto ranging up to 3 significant digits
Range (Conductivity) 0.01 μS/cm to 200.0 mS/cm
AC Adapter Universal 50-60 Hz, 100-240 VAC power adapter (sold separately, Cat. No. 1010003)
Log Function Type Automatic with Auto-Read Measure Mode, Manual with Continuous Measure Mode
Range (TDS) 1 to 19,999 mg/L
Resolution (TDS) 1 mg/L
Calibration Conductivity and temperature
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
IP Rating IP67
Temperature Selection Manual or automatic with ATC temperature probe
Keypad Simple with highlighted measure key, scroll and shortcut keys
Model Orion Star A122 Conductivity/TDS/Temperature Portable Meter
Outputs None
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
Compatible Probes 2-cell or 4-cell conductivity sensors with built-in temperature
10

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.

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
11

WTW™ inoLab™ Cond 7310 Precise and Convenient Conductivity Meter
GREENER_CHOICE

A precise and high performance laboratory conductivity meter with GLP (Good Laboratory Practice) and AQA (Analytical Quality Assurance) supporting functions for documentation measuring results.

12

WTW™ ProfiLine™ Portable Conductivity Meters
GREENER_CHOICE

Obtain optimum measurements in natural waters and wastewater with this reliable conductivity portable meter.

Height (Metric) 7.9 cm
Warranty 3 Years
Resolution (Conductivity) 0.001, 0.01, 0.1 mS
Range (Conductivity) 0 μS to 1000 mS
Cell Constant Fixed: 0.475cm–1/1cm–1, Calibratable: 0.450 to 0.500cm–1/0.585 to 715cm–1/0.800 to 1.200cm–1
For Use With (Application) For professional field measurements requiring documentation and data transfer
Battery Type NiMH
Width (Metric) 17.7 cm
Power Supply 4 x 1.5V AA oder 4 x 1.2V NiMH-rechargeable battery
Range (Salinity) 0 to 70 ppt
Calibration Points 1, 2, 3-point WTW Technical and NIST Buffer
Temperature Compensation Automatic
Display Type LCD
Accuracy (Salinity) ±0.2% Full-scale
IP Rating IP67
Resolution (Salinity) 0.1 ppt
Depth (Metric) 5.7 cm
Accuracy (Conductivity) ±0.5% Full-scale ±1 LSD
Model Cond 3110
Certifications/Compliance CE
Resolution (Temperature) 0.1
Temperature (Metric) Operating -5°C to +105°C
Accuracy (Temperature) ±0.1°C
Weight (Metric) 0.6 kg
13

METTLER TOLEDO™ SevenExcellence™ S700 Conductivity Benchtop Meter

The S700 meter measures conductivity, resistivity, TDS, and salinity. Its capabilities can be expanded with additional modules to measure pH, dissolved oxygen, ISE, BOD, Redox/ORP, and ISFET. Features an intuitive touchscreen and the ability to create measurement shortcuts.

Calibration Points 13 Pre defined and 20 user defined standard
Temperature Compensation 20°C
Range (Resistivity) 0.01 to 100 megohm/cm
Range (Conductivity) 0.001 μS/cm to 2000 mS/cm
Accuracy (Conductivity) ±0.5%
Sensor Types Conductivity
Data Points At least 20000 data points, 250 analyses
Range (TDS) 0.001 mg/L to 1000 g/L
Resolution (Temperature) 0.1°C
Temperature Range (Metric) -30°C to +130°C
Inputs Integrated interfaces (USB, RS232 and Ethernet)
Accuracy (Temperature) ±0.1°C
Range (Salinity) 0 to 80 psu
14

METTLER TOLEDO™ SevenCompact™ S230 Conductivity Benchtop Meter

The S230 meter measures conductivity, resistivity, salinty, and TDS. A simple and durable interface with only 2 buttons makes this meter easy to use, and results can be captured by a printer with a time and date stamp. Available as meter only or ready-to-use kits for specific applications.

Range (Resistivity) 0 to 100 megohm/cm
Resolution (Conductivity) 0.001 to 1
Range (Conductivity) 0.001 μS/cm to 1000 mS/cm
Wattage 10 w
Range (TDS) 0.00 mg/L to 1000 g/L, autoscaling
For Use With (Application) Routine measurements, sample analysis, data handling, data archiving
Range (Salinity) 0 to 80 psu
Calibration Points 13 Pre defined and 1 user defined standard
Temperature Compensation Linear, non-linear, off, pure- water - reference temperature 20° or 25°C
Display Type TFT
Voltage 9/12 V
Accuracy (Conductivity) ±0.5%
Data Points 1000
Resolution (Temperature) 0.1°C
Temperature Range (Metric) -30.0°C to +130°C (MTC), -5.0°C to +130.0°C (ATC)
Accuracy (Temperature) ±0.1°C