Electronic Indicators | McMaster-Carr

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1,689 Products

Measuring and Inspecting

Variance Indicators

Variance Indicators

Identify small dimensional differences when checking part quality and alignment

Cords for Measuring Tool Data Processors

Cords for Measuring Tool Data Processors

Connect measuring tools with SPC output to a processor for uploading data

Measuring Tool Data Processors

Measuring Tool Data Processors

Analyze and print data from measuring tools with SPC output

Outside Micrometers

Outside Micrometers

Apply even pressure to objects to measure thickness more precisely than thickness gauges

Outside Micrometer Stands

Outside Micrometer Stands

Hold micrometers to free your hands when measuring

Micrometer Check Gauges

Micrometer Check Gauges

Confirm the anvil is parallel and measure the amount of wear on your micrometer

Outside Micrometer Tips

Outside Micrometer Tips

Adapt your micrometer to measure curved and irregularly shaped objects, such as gear teeth and pipe

Calipers

Take inside, outside, and depth measurements with more precision than a ruler

Caliper Tips

Install on your caliper to measure hard-to-reach areas or center-to-center distances

Precision Measuring Tool Kits

Precision Measuring Tool Kits

Multiple precision measuring tools in one convenient case

Bore Gauges

Insert into a hole and expand the contacts to measure diameter

Machine Tool Indicators

Machine Tool Indicators

Install on your milling machine to align your setup, find a workpiece's edge, and inspect parts

Caliper Calibration Checkers

Caliper Calibration Checkers

Test your caliper's accuracy

Depth Micrometers

Depth Micrometers

Measure slots, counterbores, and other holes more precisely than depth gauges

Calibration Rods

Calibration Rods

Check and set micrometers and other measuring tools

Micrometer Heads

Micrometer Heads

Mount on jigs, fixtures, and machine tools to position equipment and measure length

Height Gauges

Measure an object's height and mark workpieces for machining

SPC Wireless Transmitters

SPC Wireless Transmitters

Send data from measuring tools with SPC output to a wireless receiver

Caliper Range Extenders

Caliper Range Extenders

Expand your caliper's range to measure large items

Depth Gauges

Reach into slots, counterbores, and other holes to measure depth

Thickness Gauges

Thickness Gauges

Move the thumb lever to quickly check the thickness of flat stock, pipe, or tubing

Inside Hole Micrometers

Inside Hole Micrometers

Find the inside diameter of cylinders and rings

Caliper Depth Base Attachments

Caliper Depth Base Attachments

Steady your caliper when measuring depth

Micrometer Speeder Knobs

Micrometer Speeder Knobs

Color code micrometers by calibration date, precision, or other criteria

Micrometer Mounting Brackets

Micrometer Mounting Brackets

Mount a micrometer head to your jig or fixture to accurately position workpieces

Wristwatches

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

Hour Meters

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

Stopwatches

Track time or record an event from start to finish

Timers

Count up or down to measure a period of time

Inspection Indicators

Inspection Indicators

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

Thermometers

Monitor temperature in tanks, pipes, control panels, and other equipment

Thermometer Air Purges

Thermometer Air Purges

Blow dust and moisture off infrared thermometer transmitter lenses

Thermometer Cooling Jackets

Thermometer Cooling Jackets

Connect to a compressed air or water line to keep infrared thermometer transmitters from overheating

Thermometer Insulating Tubes

Thermometer Insulating Tubes

Prevent infrared thermometer transmitters from overheating by shielding them from hot surfaces

Thermometer Covers

Thermometer Covers

Prevent dirt buildup on infrared thermometer transmitters

Thermal Cameras

Thermal Cameras

Detect hot spots, leaks, moisture problems, and construction defects invisible to the eye

Temperature and Humidity Meters

Temperature and Humidity Meters

Simultaneously measure temperature and relative humidity

Monoculars

Magnify still objects from far away to view features you couldn't see with the naked eye

DIN Panel Adapters

DIN Panel Adapters

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

Force Gauge Grips

Force Gauge Grips

Pair with force gauges to test wire, pins, and thin sheets

Counters

Record and display the number of times events or processes occur

GPS Navigators

Navigate on foot with real-time GPS data

Scales

Bench-top, hanging, floor, and conveyor scales

Torque Gauges

Test the accuracy of torque wrenches and screwdrivers

Tachometers

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

Barometers

Measure atmospheric pressure changes

Weather Stations

Weather Stations

Measure multiple weather conditions at the same time

Data Recorders

Log temperature, humidity, or pressure levels to track changes and troubleshoot your system

Position Indicators

Position Indicators

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

Stroboscopes

Shine a bright flashing light at moving belts and pulleys to measure speed and detect wear

Electrical Resistance Meters

Electrical Resistance Meters

Prevent damage to electronics by checking material and surfaces for static discharge

Gas Leak Detectors

Gas Leak Detectors

Find gas leaks in pipes, tubes, fittings, tanks, cylinders, and valves

Force Gauges

Test objects to see how much tension and compression force they can bear

Load Cells

Measure forces and send them to computers to monitor and trigger actions in machinery

Density Meters

Measure the density of liquids to check concentration; test battery fluid for a charge

Load Cell Junction Boxes

Load Cell Junction Boxes

Join multiple load cells to combine their weight measurements

Inertial Measurement Units

Inertial Measurement Units

Mount to robot arms, cranes, and vehicles to accurately track their movements

Electrical

Electrical Cords

Electrical Cords

Connect equipment and devices to a power supply

Development Board Sensor Modules

Development Board Sensor Modules

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

Lubricating

Grease Dispenser Monitors

Grease Dispenser Monitors

Extend the life of bearings by taking the guesswork out of how much to lubricate them

Fluid Handling

Pressure Gauges

Pressure Gauges

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

Pressure Transmitters

Pressure Transmitters

Send pressure readings to controllers and remote displays

Differential Pressure and Vacuum Gauges

Differential Pressure and Vacuum Gauges

Show changes in pressure and vacuum to monitor fans, blowers, and filters

Pressure Test Gauges

Pressure Test Gauges

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

Vacuum Gauges

Take vacuum readings in pumps, packaging equipment, and suction lines

Pressure and Vacuum Gauges

Pressure and Vacuum Gauges

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

Differential Pressure Gauges

Differential Pressure Gauges

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

Vacuum Pumps

Create suction force to move objects, draw liquids and gases, or generate flow

Pressure Transmitter Displays

Pressure Transmitter Displays

Remotely view pressure readings sent from a transmitter

Differential Pressure Transmitters

Differential Pressure Transmitters

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

Flow Transmitters

Flow Transmitters

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

Flowmeters

Measure the flow rate of a liquid or gas

Noncontact Temperature Sensors

Noncontact Temperature Sensors

Monitor the temperature of hazardous, sensitive, and hard-to-reach materials without touching them

Containers, Storage, and Furniture

Micrometer Holsters

Micrometer Holsters

Keep your micrometer protected and close at hand

Facility and Grounds Maintenance

Faucet Timers

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

Safety Equipment

Heat Stress Monitors

Heat Stress Monitors

Measure temperature, humidity, and radiant heat to keep people safe from heat-related hazards

Communication

Display Screens

Display Screens

Display text, numbers, symbols, and other information from your electronics

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)