Water Depth Sensor (Liquid Level Sensor), 32Ft. (10 Meter)

$13.48

Solimeta Water Meter, Cold Water Meter for Garden and Home, 3/4"NPT Couplings, Measuring in Cubic Meter

$118.42

DAE V-75 Vertical Water Meter, 3/4” NPT Couplings, Measuring in Gallons

$19.99

DAE AS200U-75 Water Meter, 3/4" NPT Couplings, Measuring in Gallons

$238.99

Orbit 91130 3/4" FHT Water Pressure Gauge 200 PSI

$15.17

DAE V-100P 1” Vertical Water Meter with Pulse Output, Measuring in Gallon + Couplings

$343.45

Dr.meter LX1330B Digital Illuminance Light Meter, 0-200,000 Measurement Range Lux Meter

$49

Submersible Level Sensor 4-20ma,4-20ma 2m Pressure,Sensors TL‑136 Liquid Level Transmitter Water Level Sensor Detector 24VDC 4‑20mA Output (Range 0-3 Meters)

$14.99

Auto Meter 7537 Phantom II 2-1/16" 100-250 F Short Sweep Electric Water Temperature Gauge

$177.99

P3 P0550 Water Meter

$49.99

Differential Pressure Gauge, 0-10 Inches of Water

$89.99

Auto Meter 5837 Phantom Electric Water Temperature Gauge, 2 5/8"

$155.99

DAE WP-300P 3" Woltmann Helix Water Meter, Pulse Output, Gallon

$238.99

Auto Meter 4407 Ultra-Lite Mechanical Water Pressure Gauge,2.625 in.

$63.02

AUTO METER 5437 Pro-Comp Electric Water Temperature Gauge , 2 5/8"

$101.99

Auto Meter 4955 Ultra-Lite II 2-1/16" 100-260 F Full Sweep Electric Water Temperature Gauge

$99.24

Differential Pressure Gauge, 0-15 Inches of Water

$44.39

AUTO METER 2607 Z-Series Mechanical Water Temperature Gauge, 2 1/16"

$90.86

Auto Meter 5955 ES 2-1/16" -100 260 F Full Sweep Electric Water Temperature Gauge

$90.56

Dr.meter Professional LED Light Meter, Digital Illuminance Meter with 0-200,000 Measuring Ranges and 270 Degree Rotatable Detector

$9.9

TDS Meter, Electronic Water Tester with 0-9990 PPM Measurement Range, Hand Held Digital Water Test Pen for Farming, Aquariums, Pools, Household Drinking Water (Blue)

$19.99

Pinpoint® Salinity Meter Kit

$32.15

Instant Ocean SeaTest Hydrometer

$10.99

Auto Meter 1337 Arctic White Water Temperature Gauge

$82.77

ZIPLEVEL PRO-2000B High Precision Altimeter with 75-Feet Cord and User Guide

$80.49

Turbidity Meter, Turbidity Meter US Plug 100-240V 0.1A DC5V High Backlit Water Laboratory

$14.9

Auto Meter 4431 Ultra-Lite Mechanical Water Temperature Gauge , 2 5/8"

$90.56

Snellen Chart with Red Green Lines 10 Feet

$17.35

Water Depth Sensor (Liquid Level Sensor)

$8.38

E ESEASONGEAR - ZW2 TDS Meter, Replacement for Zerowater Water Tester, 0-9990 PPM

$43.99

Auto Meter 4331 Ultra-Lite Mechanical Water Temperature Gauge, 2 1/16"

$89.3

Auto Meter 7632 Sport-Comp II 2-5/8" 120-240 F Mechanical Water Temperature Gauge

$97.45

Auto Meter 3332 Sport-Comp Mechanical Water Temperature Gauge, 2 1/16"

$100.87

Wilbur Curtis 5502-01 Water Level Probe Assembly Kit

$12.08

GREDIA 2" Water Flow Sensor Food-Grade Switch Hall Effect Flowmeter Fluid Meter Counter 10-200L/min

$28.99

RCYAGO PH Meter, 5 in 1 PH/TDS/EC/Salinity/Temp Meter with ATC, 0.01 Resolution High Accuracy Water Testing for Drinking Water, Hydroponics, Seawater, Aquariums, Fish Tank and Swimming Pools

$10.79

Hemobllo Water Meter Water Flow Meter Cold Water Meter for Garden and Home Use, Measures in Cubic Meter, DN15, 1/2" NPT Couplings

$487.99

APEC TDS Meter Digital Water Quality TDS Test Kit Meter with Carrying Case, 0 to 1999 ppm Measurement Range, 1 ppm Resolution, 2% Readout Accuracy

$11.99

Auto Meter 3331 Sport-Comp Mechanical Water Temperature Gauge, 2 1/16"

$106.99

2" (5.2cm) Mechanical Water Temperature Gauge Water Temperature 12V Temperature Gauge Yellow Light Automotive Gauge with Sensor NPT1/2 Reading Range: 40-130℃ / 110-265℉

$21.99

Auto Meter 4332 Ultra-Lite Mechanical Water Temperature Gauge , 2 1/16"

$90.56

Industrial Test Systems WaterWorks 480031 Chlorine Dioxide Testing Strip, 1 Minute Test Time, 0-100ppm Range (Bottle of 50)

$12.1

Liquid Water Level Sensor Liquid Level Probe Sensor for GRL8 Relay Blue 1.5 Meter + Red 3 Meter + White 3.5 Meter

$22.33

Fluval Sea Hydrometer for Aquarium, Medium

$16.99

Industrial Test Systems WaterWorks 480124 Free Chlorine Test Strip, Ultra High II Range, 61 Seconds Test Time, 0-2000ppm Range (Bottle of 50)

$19.3

4-20mA 0-5V 0-10V Liquid Level Sensor Transmitter Water Tank Pressure hydrostatic Level Sensor Converter 2m 5m 10m (Color : 10M Range 10M Cable, Size : 4-20mA Output)

$21.51

Saltwater Meter Salinity Meter Digital Water Tester Hydrometer Ideal for Hydroponics Aquarium Fish Pond Aquaculture High Accuracy Pen Type Meter Specific Gravity(SG) Salinity and Temperature 3 in 1

$15.16

Saltwater Meter Salinity Meter Digital Water Tester Hydrometer Ideal for Hydroponics Aquarium Fish Pond Aquaculture High Accuracy Pen Type Meter Specific Gravity(SG) Salinity and Temperature 3 in 1

$9.99

1” Water Meter: No Lead Brass, NSF Certified, Multi-Jet, Gallons (Horizontal Installation)

$8.99

Auto Meter 3432 Sport-Comp Mechanical Water Temperature Gauge

$54.5

DAE MJ-200 2" NSF61 Non Lead Potable Water Meter, Pulse Output + Couplings, Gallons

$19.99

Faria Chesapeake SS Instruments - Water Temp Gauge (100-250)

$39.36

Faria Chesapeake SS Instruments - Water Temp Gauge (100-250)

$23.99

Auto Meter 5732 Phantom Mechanical Water Temperature Gauge

$99.99

4 in 1 Digital pH Meter for Water, ±0.01 Resolution High Accuracy Tds Meter Digital Water Tester with ATC pH Tester, Water Tester for Drinking Water, Brewing, Hydroponics, Wine, Pool and Aquarium

$189.28

DIGITEN FL408G G1/2 Inch Water Flow Meter with BSP Thread Hall Sensor Switch, Food Grade Flow Meter Counter for 1-30L/min, White Color

$17.72

Auto Meter 3431 Sport-Comp Mechanical Water Temperature Gauge

$79.98

Auto Meter 5737 Phantom Electric Water Temperature Gauge

$74.83

iPstyle Digital TDS Meter Water Tester, PPM Water Quality Tester Measuring Range 0-9999ppm, Ideal for Drinking Water, Swimming Pool, Aquariums, Hydroponics (Grey) (TDS)

$42.69

TDS Meter Water Quality Tester,HASFINE Digital Conductivity Meter 3 in 1 TDS,EC and Temperature Meter, Accuracy Testing Pen 0-9999 PPM Meter for Drinking Water, Aquariums,Pool and More

$182.65