Multiparameter Meters

4 in 1 Tds Meter Digital Water Tester, Accurate and Reliable TDS EC & Temp(°C,°F) Meter, 0-9990ppm Water Quality Tester for Drinking Water RO/DI System, Aquariums etc

$12.99

$ 6 .99 $6.99

4.8

‑803W ORP Redox Controller Controller ORP Controller Multi Parameter Water Testing Meter Water Quality Monitoring Tool (US Plug 110V)

$135.51

$ 62 .99 $62.99

4.6

LaMotte 1742, Chlorine Meter, ORP Tracer Pocketester

$225.70

$ 91 .99 $91.99

4.9

6-in-1 Digital Water Quality Tester for COD, TOC, UV275, TDS, EC & Temp | Portable Water Meter with ATC, LCD Color Display | for Lab, Tap, Well, Purified & Groundwater

$45.90

$ 22 .99 $22.99

4.3

4 in 1 Digital Water Quality Tester,2025 New TDS Meter for Drinking Water,0-9990 PPM Meter,EC & Temperature Meter,Water Tester for Drinking Water and Swimming Pools

$11.99

$ 6 .99 $6.99

4.8

Meter Digital Water Quality Tester - 4 in 1 TDS/EC/Temperature Meter, Digital Water Analyzer 0-9990 PPM, High Precision Portable Water Testing Pen for Drinking Water, Aquariums (White)

$8.99

$ 4 .99 $4.99

5.0

HORIBA U-52 (33 ft /10m Cable) Multiparameter Water Quality Meter pH/ORP/Dissolved Oxygen/Conductivity/Salinity/TDS/Seawater Gravity/Temp/Turbidity

$4,490.00

$ 99 .00 $99.00

4.6

TDS Meter Digital Water Tester, 0-9990 TDS Water Tester, Portable Water Testers for Drinking Water, Yellow, 7 Inches

$6.99

$ 2 .99 $2.99

4.8

Hanna Instruments HI 99151 Portable Waterproof pH/Temperature Meter, for Beer

$599.99

$ 99 .00 $99.00

4.8

2025 All-New 3 in 1 Tds Meter Digital Water Tester Accurate Water Quality Tester Portable TDS EC Temperature Meter for Home & Outdoor Use for Drinking Water Pools Aquariums Tap Water(White)

$7.99

$ 3 .99 $3.99

5.0

4 in 1 Digital Water Quality Tester, 2025 New 4 in 1 TDS Meter Digital Water Quality Test Tool, 0-9990 PPM Meter, with EC & Temperature Display, for Drinking Water and Swimming Pools

$9.99

$ 4 .99 $4.99

4.3

B&K Precision TL 9160 150cm Stacking Retractable Sleeve Plug Output Cable Kit

$59.48

$ 28 .99 $28.99

4.6

4 in 1 TDS Meter Digital Water Tester, 2025 New Water Quality Tester with EC Temp Color Display for Drinking Water Aquariums Hydroponics Pools (1)

$13.99

$ 6 .99 $6.99

4.9

Digital pH EC Meter Smart Hydroponics pH Meter with WiFi for Real Time Large Screen with Multiple Parameters Displayed Simultaneously pH EC Monitor Salt Meter ORP Tester for Aquarium

$75.99

$ 32 .99 $32.99

4.8

4 in 1 Digital Water Quality Tester, 2025 New TDS Meter Digital Water Tester, TDS/EC/Temperature Meter for Drinking Water, 0-9990 PPM Meter, Drinking Water Swimming Pools RO/DI System Aquarium (1)

$19.99

$ 9 .99 $9.99

4.6

Oakton WD-35652-00 Precision pH/mV Simulator for Meters, Transmitters, Controllers

$763.38

$ 99 .00 $99.00

5.0

THRMTCH 135F EXPROOF MNTNG UL - TH-302EPM135

$158.92

$ 72 .99 $72.99

4.4

Horiba F-72 Laqua pH/ORP/Ion Benchtop Meter

$1,030.00

$ 99 .00 $99.00

5.0

Maxmartt Water Meter Dry Flow Meter DN15 Indoor Outdoor 15mm Magnetic Coupling Transmission Corrosion Resistant

$22.19

$ 10 .99 $10.99

4.7

AZ-8302 Conductivity & TDS Meter Water Quality Tester Digital Electrical Water Quality Cond. & TDS Meter Temperature Meter AZ8302 0~19.99, 0~199.9, 0~1999 us/cm | 0~19.99, 0~199.9 ms/cm

$245.00

$ 99 .00 $99.00

4.9

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Multiparameter Meters