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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Mettler Toledo™ FiveEasy™ F30 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	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

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.

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Specifications

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

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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Mettler Toledo™ FiveGo™ F3 Conductivity Meters

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

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Specifications

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

OHAUS™ Starter Conductivity Pen Meters

Small but productive conductivity meters. OHAUS Starter Conductivity Pen Meters are the choice for basic testing needs of the total ionic concentration within a solution. They are durable with IP67 waterproof design and provide fast and straight forward results.

Pricing and Availability
Specifications

Type	Conductivity Pen Meter
Display Type	LCD
IP Rating	IP67
Accuracy (Conductivity)	±2.5% FS
Data Points	30
Material	ABS
Weight (English)	0.24 lb.
Measurement Modes	Conductivity
For Use With (Application)	For basic testing of the total ionic concentration within a solution
Battery Type	Micro Alkaline
Weight (Metric)	110 g

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Mettler Toledo™ FiveEasy™ Plus FP30 Conductivity Meters

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

Pricing and Availability
Specifications

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

Mettler Toledo™ Protective Cover for S230 SevenCompact Conductivity Meters

Accessory for S230 SevenCompact Conductivity Meters.

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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™ Dual-Display Conductivity Meter

Measures conductivity and temperature; includes NIST™ traceability certificate.

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Thermo Scientific™ Orion Star™ A122 Conductivity Portable Meter

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

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Specifications

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

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.

Pricing and Availability
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

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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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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 199.9 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

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METTLER TOLEDO™ SevenExcellence™ S700 Conductivity Benchtop Meter

Pricing and Availability
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

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