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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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1 – 30 of 53 results
1

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.

2

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.

EDGE
3

Fisherbrand™ Traceable™ Conductivity, Resistivity, and TDS Meter

Provides direct digital readings of conductivity, resistivity and dissolved solids. Fisherbrand Traceable Conductivity, Resistivity, and TDS Meters are ideal for measuring reagent-grade water to meet CAP, ASTM, NCCLS, and ACS specifications as well as for measuring conductivity in chromatography, biology, food, electronics, and water analysis. All readings automatically referenced to the international standard of 25°C.

4

Fisherbrand™ Traceable™ Bench Conductivity Meter

Measures conductivity, resistivity, dissolved solids, salinity, concentration, and temperature; includes certificate of traceability to standards provided by NIST™.

5

Fisherbrand™ Traceable™ Dual-Display Conductivity Meter

Measures conductivity and temperature; includes NIST™ traceability certificate.

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

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.

8

Fisherbrand™ accumet™ Basic AB330 Conductivity/TDS/Salinity Benchtop Laboratory Meter

Ideal for daily conductivity, TDS and salinity testing of your routine laboratory samples. The accumet basic AB330 benchtop meters provide the essential functions needed for common conductivity, TDS and salinity measurements, without complicated functions, at a budget-friendly price.

Accuracy (TDS) ±1% full scale
Calibration Conductivity, TDS, salinity, temperature
9

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.

Memory Non-volatile memory preserves log and settings
Measurement Modes Conductivity or TDS with temperature
Languages English
Cell Constant 0.001 to 10cm-1
Temperature (Metric) Reference 20, 25°C
TDS Factor Range Linear (0.02 to 9.99)
Channels 1
Power Supply 4 AA batteries (included) or universal AC adapter (sold separately)
Temperature Compensation Linear
Data Management Details Internal data point memory
Battery Life 2000 hr.
Display Type LCD
Accuracy (Conductivity) 0.5% of reading ±1 digit
Data Points 50
Temperature Probe Calibration 1 point temperature offset calibration
Certifications/Compliance CE, TUV 3-1, FCC Class A
Inputs 8 pin MiniDIN (conductivity sensor with built-in temperature)
Accuracy (Temperature) ±0.1°C
Weight (Metric) 0.5 kg
Calibration Points (Conductivity) 1
Warranty 3 Year Meter
Stability Smart Stability and Smart Averaging
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 data logging with Auto-Read measure mode; manual data logging 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
Temperature Selection Manual or automatic with ATC temperature probe
IP Rating IP67
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™ 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.

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
Measurement Modes Conductivity, TDS, salinity or resistivity with temperature
Languages English, Spanish, French, Italian, German, Chinese, Portuguese and Korean
Cell Constant 0.001 to 199.9cm-1
Temperature (Metric) Reference 5, 10, 15, 20, 25°C
TDS Factor Range Linear (0.02 to 9.99)
Channels 4 - customizable with modules
Power Supply Universal AC adapter (included)
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
Data Management Details Transfer single, range or all data points to printer or computer
Display Type Color Graphic LCD with User-customizable Options
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
Data Points 2000 with date and time stamp
Certifications/Compliance CE, TUV 3-1, FCC Class A
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
Warranty 3 Year Meter and Module
Stability Selectable fast, medium, slow or Smart Stability setting; Selectable off or Automatic Smart averaging setting
Temperature (English) Operating 41°F to 113°F (ambient)
Resolution (Resistivity) 1 ohm or 0.1 megohm, auto ranging
Resolution (Conductivity) 0.001 μS minimum, auto ranging up to 4 significant digits
Range (Conductivity) 0.001 μS/cm to 3000 mS/cm
Accuracy (Resistivity) 0.5% of reading ±1 digit
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
Range (TDS) 0.001 to 200.0 ppm
Resolution (TDS) 0.001 ppm minimum, auto ranging up to 4 significant digits
Calibration Conductivity with calibration editing option and temperature
Relative Humidity Range 5 to 85%, non-condensing
Alarm Output Set point alarm, high/low limit alarm, calibration due alarm
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
IP Rating IP54
Keypad Numeric with menu-specific function keys and dual purpose scroll/shortcut keys
Outputs USB (2), RS232
Backlight Option Yes
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
Compatible Probes 2-cell or 4-cell conductivity sensors with built-in temperature
Methods 10 per channel
11

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
12

Mettler Toledo™ Protective Cover for S230 SevenCompact Conductivity Meters

Accessory for S230 SevenCompact Conductivity Meters.

13

Thermo Scientific™ Orion Star™ A222 Conductivity Portable Meter

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

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
Measurement Modes Conductivity, TDS, salinity or resistivity with temperature
Languages English, Spanish, French, Italian, German and Chinese; Portuguese and Korean available with software update
Power Supply 4 AA batteries (included) or universal AC adapter
Data Management Details Transfer single, range or all data points to printer or computer
Battery Life 800 hr.
Display Type Graphic LCD with Backlight
Data Points 1000 with date and time stamp
Temperature Probe Calibration 1 point temperature offset calibration
Certifications/Compliance CE, TUV 3-1, FCC Class A
Warranty 3 Year Meter
Stability Smart Stability and Smart Averaging
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
TDS Factor Range Linear (0.02 to 9.99)
Channels 1
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)
Range (TDS) 0.001 to 200.0 ppm
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 Range (Metric) -5°C to +105°C
14

Thermo Scientific™ Orion Star™ A322 Conductivity Portable Meter

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