Digital Counters | McMaster-Carr

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Air Particle Counters

Inspection Indicators

Measuring Wheels

Pedometers

Position Indicators

Respirator Filter Monitors

Display Type

System of Measurement

Input Voltage

Resettable

Number of Digits

Counting Direction

Mounting Location

Operating Voltage

Input Method

Wire Connection

Electrical Connection Type

Hardwire

Plug In

Batteries Included

Yes

Maximum Counts per Minute

Mount Type

Environment

High-Pressure Washdown

Overall Width

Width

Panel Cutout Width

Electrical Connection

Height

Enclosure Rating

RoHS

Compliant with Exemptions

Not Compliant

REACH

Compliant

Not Compliant

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

Export Control Classification Number (ECCN)

EAR99

DFARS Specialty Metals

Exempt

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313 Products

Counters

DIN-Panel-Mount Electrically Actuated Counters

Record and display the number of times events or processes occur

4 products

Panel-Mount Electrically Actuated Counters

Record and display the number of times events or processes occur

9 products

Switch-Contact-Actuated Counters

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

4 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 with Proximity Sensor

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

1 product

Surface-Mount Electrically Actuated Counters

Record and display the number of times events or processes occur

1 product

Large-Display Combination Switch-Contact/Electrically Actuated Counters

Digits are visible from 100 ft. away

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 Electrically Actuated Counters with Output Relay

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

2 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

DIN-Panel-Mount Counters/Ratemeters

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

4 products

Large-Display Counters/Ratemeters with Output Relay

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

2 products

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

Other Products

Hour Meters

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

23 products

Timers

Count up or down to measure a period of time

26 products

Tachometers

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

2 products

Wristwatches

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

2 products

Position Indicators

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

23 products

Flowmeters

Measure the flow rate of liquid or gas through your system

117 products

DIN Panel Adapters

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

3 products

GPS Navigators

Navigate on foot with real-time GPS data

1 product

Measuring Wheels

Roll along surfaces to measure distance

5 products

Pedometers

Record steps and miles while you walk and run

2 products

Chemistry Meters

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

42 products

Stopwatches

Track time or record an event from start to finish

10 products

Inspection Indicators

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

4 products

Respirator Filter Monitors

Track the quality of incoming air as it travels from your air line to your respirator

6 products

Air Particle Counters

Monitor indoor dust levels and measure filter efficiency in HVAC systems

1 product

Faucet Timers

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

1 product