Conductivity / Resistivity / Salinity / TDS Meters
Conductivity, Resistivity, Salinity, and TDS Meters measure the specific conductance of an electrolyte solution. Resistivity, Salinity and TDS meters calculate their readings from that specific conductance measurement. Conductivity, Resistivity, Salinity and TDS meters are used in a variety of applications including waste water, drinking water, industrial ultra-pure water and boiler water monitoring.
- BRAND
- AquaMetrix (7)
- Eutech Instruments (3)
- Extech (8)
- Georg Fischer / GF Signet (6)
- Hanna Instruments (19)
- Horiba (3)
- Oakton Instruments (22)
- Rosemount Analytical (21)
- Thermo Scientific Orion (9)
- YSI (5)
- PRICE
- Under $100 (7)
- $100 - $199 (10)
- $200 - $499 (33)
- $500 - $999 (32)
- $1000 - $2499 (16)
- Over $2500 (5)
- METER TYPE
- Tester (16)
- Field Meter (34)
- Lab (11)
- Process (33)
- MEASUREMENT TYPE
- Conductivity (97)
- Resistivity (34)
- Salinity (38)
- TDS (58)
- PARAMETERS
- Dissolved Oxygen (DO) (9)
- Hydrogen Chloride (3)
- Ion (8)
- Multiparameter (44)
- ORP (17)
- pH (23)
- Sodium Chloride (4)
- Sodium Hydroxide (5)
- Sulfuric Acid (3)
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Dual input analyzer offers a wide range of measurement choices supporting most industrial, commercial, and municipal applications
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Starting at $1,010.00 |
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Combination pH / EC / TDS / temperature tester with low or high range EC
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Starting at $153.00 $122.40 |
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Measures flow, pH, ORP, conductivity, pressure, level, and temperature
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Starting at $770.00 |
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Two-wire transmitter with explosion-proof enclosure measures a wide range of parameters
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Starting at $2,150.00 |
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Hand-held meter simultaneously measures dissolved oxygen, pH, conductivity, temperature and ORP
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Starting at $1,850.00 $1,628.00 |
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The toughest, smartest and most versatile water quality meter available
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$1,125.00 $967.50 |
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Water-resistant multi-parameter portable meter with CAL CHECK calibration feature designed for agricultural applications
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$205.00 $164.00 |
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Portable water quality meter monitors up to 13 different water quality parameters with optional GPS function
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Starting at $2,500.00 $2,000.00 |
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Multiparameter tester for temperature, conductivity, pH, TDS, and salinity
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$169.00 $135.20 |
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1% full-scale accuracy and two pin, stainless steel sensor with probe guard. Models available for TDS, EC, and Salt.
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Starting at $59.95 $47.96 |
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High resolution full color screen, local operator interface, 480 x 272 pixel display
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Starting at $1,639.00 |
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Screw-in general purpose conductivity sensors with variopol quick disconnect fitting
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Starting at $430.00 |
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Accurately measure pH, mV/RmV, conductivity, resistivity, salinity and TDS
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Starting at $1,275.00 $1,096.50 |
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Measure and display up to 11 water quality parameters simultaneously
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Starting at $3,225.00 |
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Portable, top choice for advanced multiparameter measurements
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Starting at $1,525.00 $1,311.50 |
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Available in various configurations for maximum installation flexibility
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Starting at $352.00 $316.80 |
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Waterproof pH / EC / TDS / temperature meter with advanced features
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Starting at $495.00 $396.00 |
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Auto-ranging conductivity testers for maximum resolution
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Starting at $83.00 $66.40 |
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Waterproof EC / TDS / temperature tester in low range or high range
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Starting at $99.00 $79.20 |
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Measures conductivity, TDS, salinity, pH, and temperature using one just electrode
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Starting at $159.99 |
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Accurate, rugged, measure conductivity, resistivity, salinity and TDS
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Starting at $740.00 $636.40 |
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Submersion/Insertion sensor for use in dirty, corrosive, or high conductivity liquids
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Starting at $768.00 |
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Non-linear curve programmed for best results in testing NaCl in water applications
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$101.00 $80.80 |
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Water-resistant multi-parameter portable meter designed for agricultural applications
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$205.00 $164.00 |
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Conductivity/resistivity sensors provide highly accurate sensing across a very broad dynamic range
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Starting at $364.00 $327.60 |
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Three-input intelligent analyzer monitors a wide range of water quality parameters
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Starting at $1,684.00 |
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High accuracy, multi-range sensor capable of measuring conductivity, TDS, salinity, and temperature
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Starting at $104.99 |
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Multirange-capable handheld TDS testers
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Starting at $83.00 $66.40 |
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ProcessPro two-channel conductivity controller
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Starting at $1,236.00 $1,112.40 |
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Five modules to customize 4 channels, Advanced, customizable display
FREE Module (up to over $800 in value)
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Starting at $1,015.00 $893.20 |
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Water quality test kit specifically designed for teachers to get the most out of their classroom time with well constructed lessons and activities
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$350.00 $280.00 |
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Loop-powered transmitter measures pH, ORP, conductivity, resistivity, oxygen, free chlorine, total chlorine, monochloramine and ozone
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Starting at $1,674.00 |
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Easy to use conductivity controller for continuous monitoring and process control
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Starting at $160.00 $128.00 |
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Measure pH, ISE, mV, relative mV, ORP and temperature with one unit
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Starting at $1,545.00 $1,359.60 |
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High accuracy, ±0.1%, conductivity measurement instruments
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Starting at $895.00 $787.60 |
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Compact monitoring solution offering high pressure tolerance and long-term continuous measurement
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Starting at $800.00 |
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Measures dissolved oxygen concentration / saturation, pH, mV, conductivity, TDS, salinity, resistivity and temperature
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$649.00 |
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Research grade bench meters measuring pH, pH / ISE, EC, pH / EC, pH / ISE / EC, and dissolved oxygen
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Starting at $1,093.00 $874.40 |
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Compact, benchtop conductivity meter with over-sized display
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$624.30 $499.44 |
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Measures dissolved oxygen, salinity, conductivity, specific conductance, TDS, barometric pressure and temperature
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$755.00 $664.40 |
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Portable, accurately measures pH, conductivity, resistivity, salinity and TDS
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Starting at $1,122.00 $964.92 |
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Measures pH, conductivity, and dissolved oxygen in one convenient meter
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Starting at $1,147.30 $917.84 |
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Measures pH, conductivity, and temperature with one meter and probe
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Starting at $544.70 $435.76 |
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Microprocessor conductivity and TDS controllers for use with 4-ring potentiometric probe
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Starting at $583.00 $466.40 |
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Retractable, can be removed without shutting down and draining line
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Starting at $1,013.00 |
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Compact TDS mini controllers ideal for confined spaces
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Starting at $160.00 $128.00 |
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Economical meter with dual display - see both conductivity or TDS and temperature at a glance
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Starting at $474.40 $379.52 |
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Non-contacting sanitary sensor, resists corrosion and fouling
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Starting at $1,009.00 |
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Compact, dual-threaded electrodes for easy in-line installation in small pipe sizes
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Starting at $313.00 $281.70 |
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Conductivity and pH testers or TDS and pH testers
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Starting at $135.00 $108.00 |