Counters | McMaster-Carr

Filter by

Display Type

Resettable

Number of Digits

Counting Direction

Input Voltage

Mounting Location

Mount Type

Housing Material

Overall Width

Input Method

Wire Connection

Maximum Counts per Minute

System of Measurement

Inch

Metric

Number of Counters

Batteries Included

Yes

Output Relay Current @ Input Voltage

Operating Voltage

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

Environment

High-Pressure Washdown

RoHS

Compliant with Exemptions

REACH

Maximum Temperature

For Use With

Overall Height

Pipe Size

2,400 Products

Measuring and Inspecting

Counters

Record and display the number of times events or processes occur

100 products

DIN Panel Adapters

Make a meter face sit flush with a DIN cutout in a panel or enclosure

3 products

Calculators

Perform finance functions, conversions, space and volume estimations, graphing, and more

16 products

Measuring Wheels

Roll along surfaces to measure distance

49 products

Wire, Rope, and Cord Length Measurers

Combine counters and reels to measure and wind wire, rope, cord, cable, or hose

21 products

Position Indicators

Track components on rotating spindles or lead screws to help adjust machinery quickly and precisely

47 products

Tachometers

Measure the speed of rotating parts on machines such as shafts, gears, and belts

1 product

Hour Meters

Display running time on a machine so you can schedule preventative maintenance

48 products

Timers

Count up or down to measure a period of time

29 products

Wristwatches

Display the time, date, and smart functions on your wrist and keep your hands free

2 products

Inspection Indicators

Mount to your equipment for a signal when it's time for maintenance or inspection

4 products

Stopwatches

Track time or record an event from start to finish

10 products

GPS Navigators

Navigate on foot with real-time GPS data

1 product

Air Particle Counters

Monitor indoor dust levels and measure filter efficiency in HVAC systems

1 product

Chemistry Meters

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

24 products

Fluid Handling

Flowmeters

Measure the flow rate of a liquid or gas

1,012 products

Flow Transmitters

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

84 products

Containers, Storage, and Furniture

Workbenches

Often used for shop work with durable tops and storage for tools

99 products

Workbench Tops

Replace workbench tops or make workbenches with your own bases

109 products

Workbench Top Fasteners

Secure wood and plastic tops to bases

1 product

Desks

Stand up or sit down to work in offices and plants

25 products

Tables

Fixed-height, adjustable-height, and folding tables

491 products

Electrical

Rotary Encoders

Track the distance, direction, and speed of travel of motor shafts, conveyors, and wheels

8 products

Linear Motion Position-Measuring Transmitters

Measure the position of an object moving in a straight line; also known as string pots

5 products

Development Board Sensor Modules

Transform your development board into everything from an airflow monitor to a motion detector

3 products

Facility and Grounds Maintenance

Faucet Timers

Count down to encourage effective handwashing that helps prevent the spread of illness

1 product

Communication

Signs

Everything from accident prevention to traffic control to exit signs

1 product

Safety Equipment

Pedometers

Record steps and miles while you walk and run

1 product