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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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16 – 30 of 154 results
16

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.

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
17
Promotions Available

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
18

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
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
19
Promotions Available

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
20
Promotions Available

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
21

OHAUS™ Starter Water Analysis Portable Meters

Portable, lightweight meters feature productivity and versatility in the field or lab. OHAUS Starter Water Analysis Portable Meter is a compact meter with intuitive software/organized display for ultimate usability.

22

OHAUS™ Aquasearcher™ Conductivity Meter AB23EC

The Aquasearcher™ Conductivity Meter AB23EC is a simple to use benchtop meter designed to easily measure conductivity, total dissolved solids (TDS), and salinity.

Calibration Points 1 Point Cell Constant
Display Type LCD
IP Rating None
Range (Resistivity) 0.01 μ/cm to 19.99 μ/cm
Range (Conductivity) 0.01 μS/cm to 199.9 mS/cm
Accuracy (Conductivity) ±1% Reading ±3 LSD
Data Points 99 Sets
Range (TDS) 0.1 mg/L to 199.9 g/L
Measurement Modes Auto-stop,Continuous
Calibration Linear
Temperature Range (Metric) 0.0°C to 100.0°C
Range (Salinity) 0 to 99.9 psu
24

Fisherbrand™ Traceable™ Conductivity Meter Pen
SCI_ED

Easy-to-use, waterproof Traceable™ Conductivity Meter Pen designed for routine analysis and quality control. Simply turn on, insert, and simultaneously read result and temperature.

25

OHAUS™ Aquasearcher™ Conductivity Meter AB23EC
SCI_ED

The Aquasearcher™ Conductivity Meter AB23EC is a simple to use benchtop meter designed to easily measure conductivity, total dissolved solids (TDS), and salinity.

Calibration Points 1 Point Cell Constant
Display Type LCD
IP Rating None
Range (Resistivity) 0.01 μ/cm to 19.99 μ/cm
Range (Conductivity) 0.01 μS/cm to 199.9 mS/cm
Accuracy (Conductivity) ±1% Reading ±3 LSD
Data Points 99 Sets
Range (TDS) 0.1 mg/L to 199.9 g/L
Measurement Modes Auto-stop,Continuous
Calibration Linear
Temperature Range (Metric) 0.0°C to 100.0°C
Range (Salinity) 0 to 99.9 psu
26

Fisherbrand™ Traceable™ Salinity Meter Pen
SCI_ED

Easy-to-use, waterproof Traceable™ Salinity Meter Pen designed for routine analysis and quality control. Simply turn on, insert, and simultaneously read result and temperature.

27

Fisherbrand™ Traceable™ Conductivity/TDS Meter Pen
SCI_ED

Easy-to-use, waterproof Traceable™ Conductivity/TDS Meter Pen designed for routine analysis and quality control. Simply turn on, insert, and simultaneously read result and temperature.

28

OHAUS™ Starter Conductivity Pen Meters
SCI_ED

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.

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
29

United Scientific™ Auditory Conductivity Indicator
SDP SCI_ED

This Indicator is an excellent alternative to light only indicators.

30

Science First™ Liquid Conductivity Indicator
SDP SCI_ED

Determine the conductivity of different liquids or concentrations.

For Use With (Application) Determine the conductivity of liquids or concentrations