Mechanical Counters | McMaster-Carr

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226 Products

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Counters

Lever-Actuated Counters

Connect the lever to an object moving repetitively in a straight line, such as a drill press

7 products

Rotating-Shaft-Actuated Counters

Attach to clutches, couplings, and rotors to precisely count rotations

4 products

Surface-Mount Push-Button Counters

Manually record the number of times events occur

14 products

Counters with Proximity Sensor

Count metallic objects as they touch or pass within 0.059" of a built-in sensor

1 product

Handheld Push-Button Counters

Manually record the number of times events occur

3 products

Pen Counters

Tally each time you make a pen mark to keep an accurate count

1 product

Switch-Contact-Actuated Counters

No need for a separate power source, wire directly to a relay, sensor, or switch

4 products

Panel-Mount Electrically Actuated Counters

Record and display the number of times events or processes occur

21 products

Surface-Mount Electrically Actuated Counters

Record and display the number of times events or processes occur

12 products

DIN-Panel-Mount Electrically Actuated Counters

Record and display the number of times events or processes occur

4 products

Panel-Mount Electrically Actuated Counters with Output Relay

Send a signal to another device when the counter reaches a set point

4 products

Combination Switch-Contact/Electrically Actuated Counters

Count with or without voltage inputs based on your switch, sensor, or encoder

4 products

Counters/Ratemeters

Wire to an electrical pulse-emitting switch, sensor, or encoder to count input

2 products

Panel-Mount Air-Actuated Counters

2 products

Surface-Mount Air-Actuated Counters

2 products

Combination Switch-Contact/Electrically Actuated Counters with Output Relay

Count with or without voltage inputs and send a signal when a set point is reached

4 products

Counters/Hour Meters

Keep track of time while counting events

3 products

Large-Display Combination Switch-Contact/Electrically Actuated Counters

Digits are visible from 100 ft. away

4 products

DIN-Panel-Mount Counters/Ratemeters

Fit a standard 1/8 DIN panel cutout for quick installation

4 products

Large-Display Combination Switch-Contact/Electrically Actuated Counters with Output Relay

Digits are visible from 100 ft. away and the relay sends a signal when a set point is reached

2 products

Large-Display Counters/Ratemeters with Output Relay

Read counts at a glance from up to 130 ft. away

2 products

Other Products

Position Indicators

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

71 products

Hour Meters

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

51 products

Tachometers

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

2 products