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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Fisherbrand™ Traceable™ Conductivity Meter Pen

Easy-to-use, waterproof conductivity meter designed for routine analysis and quality control. Simply turn on, insert, and simultaneously read result and temperature.

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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.

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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.

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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.

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Fisherbrand™ Traceable™ Dual-Display Conductivity Meter

Measures conductivity and temperature; includes NIST™ traceability certificate.

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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.

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Specifications

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

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.

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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 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

Thermo Scientific™ EC112 Conductivity/TDS/Salinity Bench Meter Standard Kit PROMO

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. Ideal for simplified, budget-friendly lab testing and data recording.

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Mettler Toledo™ Conductivity Meter SevenDirect SD30

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.

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Specifications

Resolution (Conductivity)	0.001 to 1
Memory	2000 Standard Measurements
Range (Conductivity)	0.001 μS/cm to 2000 mS/cm
Channels	1
Dimensions (L x W x H)	195 x 205 x 65 mm
Data Management Details	PC, Printer, USB Stick
Display Type	7 in. Color TFT
IP Rating	IP54
Accuracy (Conductivity)	0.005
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

Thermo Scientific™ Orion Star™ A212 Conductivity Benchtop Meter

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

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Specifications

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

Mettler Toledo™ FiveEasy™ Plus FP30 Conductivity Meters

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

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Specifications

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

Mettler Toledo™ FiveEasy™ F30 Conductivity Meters

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

Pricing & Availability
Specifications

Resolution (Conductivity)	Automatic range
Memory	Current calibration
Range (Conductivity)	0.01 μS/cm to 200 mS/cm
Calibration	One point calibration with three predefined standards
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
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)	0.5°C
Weight (Metric)	0.63 kg

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

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

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Specifications

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 199.9cm-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

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.

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Specifications

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

Mettler Toledo™ Protective Cover for S230 SevenCompact Conductivity Meters

Accessory for S230 SevenCompact Conductivity Meters.

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Conductivity Meters

Conductivity Meters

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Mettler Toledo™ Conductivity Meter SevenDirect SD30 Greener ChoiceOffers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”Learn More

Mettler Toledo™ Conductivity Meter SevenDirect SD30