Water Meters | McMaster-Carr

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5,949 Products

Fluid Handling

Flowmeters

Measure the flow rate of a liquid or gas

728 products

Flow Transmitters

Send flow rate measurements to PLCs, data loggers, and remote displays

84 products

Flow Sights

Visually confirm flow and inspect liquid color and clarity

134 products

Pressure Gauges

Measure pressure in pumps, filters, regulators, and process lines

264 products

Pressure Transmitters

Send pressure readings to controllers and remote displays

359 products

Pressure Transmitter Displays

Remotely view pressure readings sent from a transmitter

2 products

Differential Pressure Transmitters

Relay pressure changes in heating, cooling, and pumping systems to controllers and remote displays

39 products

Pressure Test Gauges

Check and calibrate pressure gauges, transmitters, and equipment to maintain accuracy

60 products

Differential Pressure Gauges

Display the difference in pressure between two points in your air and fluid systems

14 products

Pressure and Vacuum Gauges

Measure pressure and vacuum in air and fluid lines, pumps, and refrigeration systems

17 products

Pressure and Vacuum Transmitters

Convert pressure and vacuum measurements into a signal sent to remote displays and controllers

93 products

Vacuum Transmitters

Transfer vacuum measurements to remote displays and controllers

12 products

Flow Switches

Turn equipment on or off when flow rate reaches a set point

173 products

Measuring and Inspecting

Chemistry Meters

Take water-chemistry measurements more precisely than test strips and swabs

24 products

Calibration Columns

Calibrate the flow rate of metering pumps

14 products

Electrical

Conductivity Controllers

Turn pumps, mixers, and valves on and off based on a solution’s conductivity

1 product

Multifunction Chemistry Controllers

Use pH or oxidation reduction potential (ORP) levels to turn equipment on or off

2 products

Fastening and Joining

Water Meter Wrenches

Turn meter couplings and shut-off valve nuts on water meters

1 product