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Displaying 21 to 40 (of 963 products)

Walchem Conductivity Controller for Cooling Towers with Probe/Flow Sensor/Manifold 120 VAC

$1,059.95

$ 99 .00 $99.00

4.9
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Oakton AO-35640-51 Oakton RDO 450 Replacement Sensor Cap

$295.50

$ 99 .00 $99.00

4.4
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Hach CDC40101 IntelliCAL™ CDC401 Standard Conductivity Probe, 1 m Cable

$666.00

$ 99 .00 $99.00

4.5
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Sper Scientific 850038p Conductivity Probe for 850038 Pure Water Meter, 860032 Benchtop Conductivity/TDS/Salinity Meter, 860033 Benchtop Water Quality Meter

$96.00

$ 45 .99 $45.99

4.7
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LaMotte Salt, TDS, Temperature Tracer PockeTester 1749

$186.00

$ 75 .99 $75.99

4.8
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REED Instruments R3100SD Data Logging Conductivity/TDS/Salinity Meter

$359.00

$ 99 .00 $99.00

4.3
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TDS Meter for Drinking Water, Water PPM Meter, EC TDS Tester for RO/RI System, Tap Water, Filtered Water, YINMIK Water Quality Tester with 6 Modes: PPM 500, PPM 700, μS/cm, mS/cm, Temp(℃/℉)

$12.99

$ 6 .99 $6.99

4.9
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HM Digital Meters HMDTDS3 3 Handheld TDS Meter

$14.95

$ 6 .99 $6.99

4.4
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Myron L 442-15Q-CP Myron L 15 QCP (Nist) Conductivity Calibration Standard, 23.8 Μs

$53.74

$ 28 .99 $28.99

4.3
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2025 All-New 4 in 1 Tds Meter Digital Water Tester, 4 in 1 Tds Meter Digital Water Tester, Portable Multi-Function Digital Water Purity Tester, Digital Water Tester for Drinking Water (1pcs White)

$19.99

$ 8 .99 $8.99

4.4
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Apera Instruments PC800 Benchtop pH/Conductivity/TDS/Salinity/Resistivity/Temp. Multiparameter Meter Kit, 0.01 pH/1% F.S Accuracy AI523

$679.73

$ 99 .00 $99.00

4.9
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TDS Meter Sensor Module for Water Quality Monitoring, 3.3V-5.5V Conductivity Analog Sensor Compatible for , Dual Probe XH2.54-3Pin/2P Jumper Wire

$10.57

$ 4 .99 $4.99

4.5
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Myron L CS10 Resistivity Cell, 316SS, K = 0.05, 3/4' NPT(M) Thread, thermistor ATC, 10-ft Cable

$357.00

$ 99 .00 $99.00

4.5
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Oakton WD-35607-32 Oakton Waterproof CON 150 Meter and Probe

$768.34

$ 99 .00 $99.00

4.3
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LMI Boiler Conductivity Probe 34759

$375.00

$ 99 .00 $99.00

4.4
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Oakton Instruments 35462-11 EcoTestr CTS Pocket Conductivity Salinity and TDS Meter

$92.71

$ 41 .99 $41.99

4.3
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Apera Instruments EC910 Benchtop Conductivity/TDS/Salinity Meter Kit

$430.00

$ 99 .00 $99.00

4.9
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Oakton WD-35634-55 Ctstestr 50P Pin Style Waterproof Pocket Conductivity/TDS/Salinity Tester, Fluid_Ounces, Degree C, Plastic, (

$291.52

$ 99 .00 $99.00

4.6
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BlueLab 716052 Conductivity Nutrient Probe Care Lawn-Mower-Tune-up-Kits, Natural

$24.95

$ 12 .99 $12.99

4.3
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Myron L 532T2 DS Conductivity Meter, 0-25, 250, 2500 ppm

$481.70

$ 99 .00 $99.00

4.6
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Displaying 21 to 40 (of 963 products)