Indicators | McMaster-Carr

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22,931 Products

Measuring and Inspecting

Variance Indicators

Identify small dimensional differences when checking part quality and alignment

346 products

Variance Indicator Holders

Position and hold variance indicators in place for accurate readings

52 products

Variance Indicator Clamps

Secure and position indicators, arms, and other components on holders

61 products

Variance Indicator Backs

Replace the back on your variance indicator

21 products

Variance Indicator Hole Attachments

Fasten to variance indicators to measure inside holes and around obstructions

1 product

Variance Indicator Holder Fine-Adjustment Attachments

Install on Starrett variance indicator holders for precise control over positioning

1 product

Variance Indicator Lifting Cords

Lift the spindle on your variance indicator without touching the indicator

1 product

Variance Indicator Extension Rods

Lengthen the reach of your variance indicator

19 products

Variance Indicator Lifting Levers

Replace the cap on your variance indicator to help lift the spindle

4 products

Variance Indicator Contact Point Adapters

Convert variance indicators to work with inch-size contact points or measure hard-to-reach spots

3 products

Variance Indicator Holder Bases

Thread a post into the hole to mount variance indicators

18 products

Variance Indicator Depth Base Attachments

Insert the stem of your variance indicator to convert it into a depth gauge

7 products

Variance Indicator Holder Posts

Connect holder bases to clamps to hold variance indicators

5 products

Variance Indicator Contact Points

Attach to your variance indicator to make contact with the workpiece being measured

123 products

Caliper Depth Rods

Attach to your caliper to measure depth

1 product

Calipers

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

208 products

Caliper Tips

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

4 products

Caliper Range Extenders

Expand your caliper's range to measure large items

7 products

Caliper Depth Base Attachments

Steady your caliper when measuring depth

5 products

Caliper Battery Covers

Protect the battery inside your caliper

8 products

Thread Size Identifiers

Confirm your fastener's thread size, pitch, or threads per inch

44 products

Rulers

Horizontal, vertical, circumference, center-finding, and pica rulers

680 products

Machine Tool Indicators

Find the exact edge of a workpiece without math or guesswork to quickly align your machining setup

6 products

Height Gauges

Measure an object's height and mark workpieces for machining

34 products

Height Gauge Scribers

Replace the scriber on your Mitutoyo height gauge

2 products

Height Gauge Calibrators

Ensure height gauges are accurate

3 products

Depth Gauges

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

36 products

SPC Wireless Transmitters

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

8 products

SPC Wireless Receivers

Connect to a computer to receive measurements from an SPC wireless transmitter

6 products

Cords for Measuring Tool Data Processors

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

23 products

Measuring Tool Data Processors

Analyze and print data from measuring tools with SPC output

3 products

Angle Indicators

Align pipe and other equipment by measuring angle, level, or tilt

24 products

Outside Micrometers

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

223 products

Outside Micrometer Tips

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

9 products

Outside Micrometer Stands

Hold micrometers to free your hands when measuring

3 products

Variance Indicator Collets

Hold the stem of plunger-style indicators for custom mounting jobs, such as creating depth gauges

4 products

Machine Tool Indicator Contact Points

Replace the contact point on your machine tool indicator

3 products

Bore Gauges

Insert into a hole and expand the contacts to measure diameter

109 products

Thickness Gauges

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

41 products

Bore Gauge Calibrators

Set and check the accuracy of two-point bore gauges

1 product

Bore Gauge Heads

Swap the head on your Mitutoyo electronic bore gauge for one with a different measuring range

19 products

Flatness Gauges

Determine if the flatness of surface plates, lapping plates, and other surfaces is within tolerance

1 product

Go/No-Go Outside Diameter Gauges

Snap on rods and shafts to check if their outside diameters are within tolerance

16 products

Plug Gauges

Verify the diameter or threads of machined holes in finished parts; also called pin gauges

1,026 products

Depth Micrometers

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

46 products

Micrometer Check Gauges

Confirm your outside or depth micrometers are accurate

7 products

Linear Scales

Measure and display the position of tools on machines, such as lathes, saws, and drill presses

24 products

Micrometer Heads

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

36 products

Micrometer Head Mounting Brackets

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

16 products

Inside/Outside Diameter Gauges

Mount your variance indicator to measure the diameter of rims, grooves, and shallow holes

2 products

Protractors

Set bevels and measure angles with everything from pocket-size to long-arm protractors

36 products

Inside Hole Calipers

Measure hard-to-reach areas, such as internal grooves and slots

12 products

Chamfer Gauges

Check the diameter of chamfered edges to make sure they're within tolerance

21 products

Inside Hole Micrometers

Find the inside diameter of cylinders and rings

29 products

Squares

Check 90° angles during layout work with combination, angle, or pipefitters' squares

125 products

Feeler Gauges

Check gaps and alignment between machine parts and other surfaces

381 products

Feeler Gauge Holders

Clamp onto your feeler gauge to keep it in position

2 products

Threaded Hole Location Gauges

Pinpoint the true center of threaded holes to precisely align and measure parts

70 products

Caliper Calibration Checkers

Test your caliper's accuracy

2 products

Combination Square Heads

Attach combination square blades to form a combination square

28 products

Combination Square Blades

Connect to a combination square head to create a combination square

18 products

Staff Gauges

Typically mounted to walls and tanks for measuring the level of liquids, such as water, fuel, and oil

32 products

Squareness Gauges

Check frames and machined parts to see if they are leaning or uneven

3 products

Micrometer Speeder Knobs

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

4 products

Angle Identifiers

Place the edges against fittings, dies, and other objects to quickly verify angles up to 45°

2 products

Precision Measuring Tool Sets

Multiple precision measuring tools in one convenient case

13 products

Calibration Squares

Lay horizontally or vertically on CNC machines to check the position of tools with high precision

2 products

Step Gauges

Check step height, gap width, and distance between slots to make sure machine and engine parts align

2 products

Calibration Rods

Check and set micrometers and other measuring tools

31 products

Calibration Spheres

Test your CMM probe and stylus against a precise reference point before you start inspecting

2 products

Liquid-Level Tape Measures

Lower into deep containers, such as tanks, to check the level of oil and other fluids

61 products

Gauging Pastes

Cover your tank-level ruler and change color to indicate the level of water or gasoline in your tank

2 products

Countersink Gauges

Catch sizing errors in countersunk holes to keep fasteners from protruding and creating weak points

24 products

Power Consumption Meters

Measure the amount of power your devices consume to help calculate energy costs

1 product

Motor Phase Sequence Testers

Analyze a motor's rotation and electrical system to confirm proper wiring

1 product

Electrical Panel Meters

See the amount of electricity used to run motors, generators, and other equipment

84 products

Electrical Resistance Meters

Prevent damage to electronics by checking that surfaces won't discharge static electricity

4 products

Test Lead Tips

Adapt Fluke test leads to perform electrical tests in tight spaces

1 product

Test Lead Adapters

Change tip styles to take different measurements with the same test leads

6 products

Test Leads

Pair with electrical testers such as multimeters to analyze your devices

41 products

Test Lead Sensors

Adapt Fluke multimeters to take temperature readings, so you don't need a separate meter

2 products

Test Lead Clips

For hands-free testing, create a temporary yet secure electrical connection

77 products

Voltage Detectors

Check for voltage in receptacles, cables, and electrical components

13 products

Multimeters

Take current, voltage, resistance, and other electrical measurements

109 products

Multimeter Hangers

Free up your hands when using a Fluke multimeter

1 product

Oscilloscopes

Analyze problems with electrical equipment by graphing voltage and other electrical waveforms

1 product

Oscilloscope/Multimeters

Perform electrical tests, record data, and view a graph of electrical waveforms

4 products

Battery Discharge Indicators

Install on lift trucks and other electric vehicles to display battery condition

3 products

Current Indicating Rings

Run wire through rings to monitor AC current flow

5 products

Voltage Meters

Measure voltage in electrical components

7 products

Electronic-Component Testers

Test, identify, and troubleshoot components such as circuit boards and diodes

4 products

Insulation Testers

Measure insulation quality in motors, generators, and other electrical equipment

9 products

Decade Boxes

Test and troubleshoot circuits without needing to solder capacitors or replace resistors

3 products

Meter Computer Connectors

Plug into a computer to receive and analyze measurements from a Fluke wireless meter

1 product

Patch Cords

Make point-to-point connections between electrical testing equipment and your devices

12 products

BNC Test Cords

Connect oscilloscopes and other testers to your equipment

4 products

Power Consumption Data Loggers

Record data to monitor energy usage and fix intermittent problems, such as voltage spikes

4 products

Current Detectors

Check for AC current and voltage without making direct contact with wire

1 product

Center Finders

Line up your drill with the center of round bars and pipe

1 product

Edge Finders

Locate edges, shoulders, center points, and lines on workpieces in milling machines

17 products

Parallel Rules

Draw parallel lines, as well as circles, arcs, and angles

1 product

Center Punch/Angle Indicators

Find the center of pipe and other parts and determine setup angles on milling machines and grinders

3 products

Transfer Punches

Mark the center of an existing hole onto a separate workpiece

320 products

Center Punches

Mark center holes in metal and other material

54 products

Layout Compasses

Draw circles and transfer distance measurements

27 products

Straightedges

Draw straight lines and check the straightness of surfaces

44 products

Straightedge/Protractors

Draw straight lines and measure angle, slope, and rise with one tool

2 products

Angle Transfers

Duplicate any angle in construction and other applications

2 products

Band Saw Blade Alignment Gauges

Keep band saw blades straight between guides

1 product

Lathe Alignment Bars

Confirm that your lathe headstock and tailstock are aligned for accurate machining

1 product

Levels

Ensure surfaces are completely horizontal or vertical

189 products

Level Vials

Replace vials in levels or equipment

17 products

Leveling Rods

Use with sight levels to estimate the distance between you and a given object

5 products

Shaft Alignment Kits

Confirm that shafts are aligned or measure the degree of their misalignment

9 products

Alignment Lasers

Project a line or dot as a reference point to ensure equipment is properly positioned

37 products

Level Mounts

Strap to nonmagnetic surfaces to attach a magnetic level

1 product

Plumb Bobs

Suspend from a string to create a vertical reference line

11 products

Pipe Flange Aligners

Line up flange holes so they bolt securely and connections won’t leak

17 products

Laser Levels

Project level references onto surfaces when installing drop ceilings, pipe, or conveyors

23 products

Inspection V-Blocks

Cradle rods and other round workpieces for precision measuring or inspecting

10 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

26 products

Vibration Meters

Spot-check vibration to gauge the health of your machine

6 products

Vibration Monitors

Mount to your machine to continuously monitor vibration and ensure it stays within the proper range

10 products

Inertial Measurement Units

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

1 product

Speed Guns

Point and shoot for instant speed readings in mph

1 product

Stroboscopes

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

13 products

Barometers

Measure atmospheric pressure changes

Tire Pressure Test Gauges

Calibrate the accuracy of tire pressure and tire inflation gauges

1 product

Refrigerant Pressure Testing Manifolds

Monitor refrigerant pressure when servicing air conditioning systems

7 products

Pressure Paper

Measures pressing forces in equipment by creating an instant, permanent image of pressure variation

42 products

Compression Testers

Check engine compression to maintain top performance

6 products

Paper Pressure Analyzers

Take lab-quality scans of pressure recording film for frequent onsite measurements

1 product

Fuel Injection Pressure Testers

Check fuel injection pressure to maintain your car's gas mileage

1 product

Humidity-Indicating Plugs

Monitor humidity in sealed containers without opening them, protecting the inside from contamination

6 products

Thermometer Cooling Jackets

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

1 product

Thermometers

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

506 products

Thermometer Insulating Tubes

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

1 product

Thermometer Air Purges

Blow dust and moisture off infrared thermometer transmitter lenses

1 product

Thermometer Covers

Prevent dirt buildup on infrared thermometer transmitters

1 product

Temperature and Humidity Meters

Simultaneously measure temperature and relative humidity

13 products

Temperature Crayons

Less messy than liquids, draw marks that melt as surfaces reach a specific temperature

75 products

Combustion Analyzers

Measure boiler and furnace combustion efficiency

1 product

Temperature-Indicating Sheets

Stick to surfaces and the color changes as the temperature rises and falls

8 products

Humidity Meters

Measure relative humidity without complex calculations

4 products

Temperature-Indicating Liquids

Brush onto surfaces and markings melt when they reach a specific temperature

21 products

Thermal Cameras

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

6 products

Humidity-Indicating Cards

Check humidity levels of moisture-sensitive inventory and equipment at a glance

9 products

Wristwatches

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

2 products

Magnetic Field Indicators

Measure the strength of a magnetic field in gauss

11 products

Hour Meters

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

48 products

Passivation Testers

Detect iron in stainless steel parts to confirm they're properly passivated

1 product

Density Meters

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

42 products

Inspection Indicators

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

4 products

Hardness Testers

Determine the Rockwell, Brinell, or Durometer hardness of any material

30 products

Polarity Testers

Locate the poles on a magnet

5 products

Timers

Count up or down to measure a period of time

29 products

Stopwatches

Track time or record an event from start to finish

10 products

Calibration Columns

Calibrate the flow rate of metering pumps

14 products

Airflow Meters

Measure airflow in duct, air filters, exhaust hoods, and other air applications

20 products

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

Force Gauges

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

117 products

Force Gauge Grips

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

10 products

Belt Tension Gauges

Check belt tension to minimize vibration, noise, and slippage

16 products

Load Cells

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

301 products

Load Cell Junction Boxes

Join multiple load cells to combine their weight measurements

2 products

Torque Gauges

Test the accuracy of torque wrenches and screwdrivers

80 products

Torque Sensors

Convert manually applied torque into an electrical signal that you can measure and record

16 products

Water Test Strips

Dip into water and a color change indicates chemicals, pH, and other conditions

20 products

Lead-Check Swabs

Rub on any surface to instantly detect the presence of lead

1 product

Chemistry Meters

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

23 products

Air Particle Counters

Monitor indoor dust levels and measure filter efficiency in HVAC systems

1 product

Water Test Kits

All the chemicals and labware you need for on-site sampling and water-quality testing

18 products

Moisture Meters

Stick in wood and other building materials to view moisture levels

1 product

pH Testing Paper

Check pH levels without a meter

9 products

Rain Gauges

Measure the amount of rainfall

1 product

Weather Stations

Measure multiple weather conditions at the same time

3 products

Windsocks

Track wind speed and direction

35 products

Light Meters

Measure light quality and intensity

20 products

Gloss Meters

Measure the gloss of paint, coatings, and surfaces to ensure each product is as shiny as the last

2 products

Color Calibrators

Calibrate your color meter to identify colors with precision

1 product

Color Meters

Ensure consistent coloring on products such as labels and packaging

1 product

Monoculars

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

1 product

Radiation Detectors

Test for radiation, even in low amounts or from microwave ovens

5 products

Tamper-Evident Paint

Cracks from movement when dried on equipment to indicate vibration or tampering

12 products

Smoke Pellets

Detect airflow and leaks in HVAC systems near server rooms and other areas with electronics

4 products

Smoke Powder

No flame needed—release a burst of powder to detect airflow and leaks in HVAC systems

2 products

Leak-Detecting Dyes

Bright colors help you spot leaks in water and hydraulic systems without using ultraviolet light

27 products

Smoke Pens

Produce smoke to observe airflow and detect leaks in HVAC systems; reusable, unlike smoke candles

1 product

Gas Leak Detectors

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

23 products

Smoke Candles

Light the wick for a short burst of smoke to observe airflow and detect leaks in HVAC systems

4 products

Leak-Detecting Pipe Flange Covers

Wrap around pipe flanges to show when there's a leak and contain it

39 products

Optical Comparators

Magnify your part to check for dimensional accuracy and surface defects

4 products

GPS Navigators

Navigate on foot with real-time GPS data

1 product

Scales

Bench-top, hanging, floor, and conveyor scales

180 products

Data Recorders

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

56 products

Stethoscopes

Detect internal mechanical problems like worn parts, excessive vibration, and fluid leaks

8 products

Sound Level Meters

Measure noise levels to determine if an area requires hearing protection

8 products

Data Recorder Charts

Place in temperature and humidity data recorders to document readings over time

16 products

Communication

Indicator Lights

Call attention to hazards and changes in status with flashing, strobe, and other lights

234 products

Vehicle Lights

Illuminate your way, mark your vehicle's clearance, or send signals to people and drivers

2 products

Audible Alarms/Indicator Lights

Alert people with both light and sound

64 products

Audible Alarms

Everything from bells and whistles to horns and sirens

149 products

Traffic Lights

Signal and direct traffic

5 products

Aircraft Signal Lights

Mount to the top of towers to warn low-flying aircraft

2 products

Barricade Lights

Mount to barricades so they're easier to see in low-light conditions

3 products

Tamper-Evident Seals

Secure hasps, latches, and other connections to visibly indicate tampering

121 products

Tags

Hang throughout facilities to convey information

586 products

Labels

Stick onto items to identify or convey information about them

147 products

Fire Hydrant Markers

Label fire hydrants to indicate their flow rate or status

4 products

Tamper-Evident Seal Presses

Squeeze the handles to seal locks on wire tamper-evident seals

4 products

Computer Monitors

Display information in tough conditions such as on factory floors and outdoor jobsites

9 products

Display Screens

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

27 products

Stack-Prevention Shipping Cones

Alert employees not to stack on top of pallets and packages; more visible than shipping labels

1 product

Fluid Handling

Pressure Indicators

Turn green when your compressed air line reaches a certain psi

3 products

Pressure Gauges

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

291 products

Gauge Guards

Shield gauges from corrosive liquids and gases; also called diaphragm seals

15 products

Pressure Gauge Snubbers

Reduce flow to suppress vibration and pressure spikes that can damage gauges

15 products

Differential Pressure Gauges

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

41 products

Gauge Liquids

Refill the liquid indicator on gauges with a U-tube

5 products

Vacuum Gauges

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

107 products

Differential Pressure Transmitters

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

70 products

Pressure Transmitters

Send pressure readings to controllers and remote displays

370 products

Pressure Transmitter Displays

Remotely view pressure readings sent from a transmitter

2 products

Pressure and Vacuum Transmitters

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

97 products

Pressure and Vacuum Gauges

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

42 products

Differential Pressure and Vacuum Gauges

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

8 products

Vacuum Transmitters

Transfer vacuum measurements to remote displays and controllers

16 products

Pressure Test Gauges

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

60 products

Differential Pressure Sensors

Attach to gauges and switches to detect static pressure changes in air-handling equipment

5 products

Vacuum Test Gauges

Verify that equipment is taking accurate vacuum measurements

8 products

Gauge Siphon Tubes

Fill with water to protect dry gauges from steam and high-temperature liquids; also called pigtails

36 products

Pitot Tubes

Connect to gauges to measure air flow in filters, cooling coils, and other air-handling equipment

4 products

Liquid-Level Gauges

Monitor fluid levels in containers

574 products

Gauge Glass

Create or repair liquid-level gauges to monitor fluid levels in containers

129 products

Flow Sights

Visually confirm flow and inspect liquid color and clarity

152 products

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

Sights

Observe and monitor the contents of pipes, tanks, and other containers

231 products

Water Detector Sensors

Place near tanks, sump pumps, and pipe lines to alert you to water leaks

1 product

Liquid-Level Transmitters

Send liquid-level data to logging and monitoring equipment

28 products

Humidistats

Control the humidity in an enclosure or space

6 products

Noncontact Temperature Sensors

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

22 products

Humidity Controllers

Monitor humidity and control it by automatically turning equipment on and off

2 products

Thermocouples

Measure and transmit liquid, gas, and surface temperature

719 products

Thermocouple Connectors

Join thermocouple probes and wire to thermometers and control panels

145 products

Thermocouple Transmitters

Check system temperatures from your smartphone or tablet

9 products

Thermocouple Connector Adapters

Convert round-pin male connectors to flat-pin male connectors

10 products

Temperature and Humidity Transmitters

Regulate heating and cooling by sending temperature and humidity levels to PLCs and controllers

3 products

Thermocouple and RTD Protection Tubes

Shield thermocouple and RTD probes in large, unpressurized tanks

16 products

RTDs

Measure and transmit liquid, gas, and surface temperature more precisely than thermocouples

134 products

RTD Connectors

Attach plug-in connectors to RTD probes with wire leads

2 products

Paddle Level Switches

Actuate when the paddle stops rotating to indicate the level of dry material

6 products

Flow Switches

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

171 products

Hydraulic Accumulator Charging and Gauging Kits

Fill accumulators with nitrogen and test the pressure to ensure it’s within the correct range

1 product

Hose and Hose Fittings

Flexible and stronger than tubing; often used to convey liquids and gases under pressure

2 products

Containers, Storage, and Furniture

Variance Indicator Cases

Specially fitted to store and transport variance indicators

6 products

Micrometer Holsters

Keep your micrometer protected and close at hand

1 product

Depth Gauge Cases

Specially fitted to store and transport depth gauges

3 products

Multimeter Cases

Store and carry multimeters

9 products

Jars

Everything from standard plastic and glass to sterile and tamper-evident jars

2 products

Burettes

Release liquid with greater precision than pipettes

6 products

Pipettors

Dispense a small amount of liquid for speedy, routine dispensing jobs

30 products

Electrical

Electrical Cords

Connect equipment and devices to a power supply

41 products

Electrical Plugs

Pair with sockets or receptacles to transmit power or data

13 products

Electrical Receptacles

Install in a wall or panel to transmit power or data to plugs or sockets

21 products

Electrical Sockets

Pair with plugs or receptacles to transmit power or data

26 products

Electrical Cord Adapters

Change the electrical connection style between an outlet and your equipment

9 products

Terminal Blocks

Create tidy rows of wire connections that you can identify, test, and adjust on the spot

31 products

Electrical Adapters

Change electrical connectors to another type, size, or gender

2 products

Outlet Strips

Plug in multiple devices to power them from a single outlet

16 products

Electrical Cord Reels

Neatly store electrical cords for easy access

4 products

Relays

Electrically open and close circuits to control power to lights, motors, and other equipment

267 products

Light Dimmers

Adjust the brightness of lights, even in large workspaces

2 products

Sensor Switches

Detect moving objects from a distance, triggering a circuit to open or close

682 products

Multifunction Chemistry Controllers

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

3 products

Linear Motion Position-Measuring Transmitters

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

8 products

Development Board Sensor Modules

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

17 products

Sensor Switch Transmitters

Monitor objects, switch equipment on and off, and send data to control systems with a single device

16 products

Vibration Switches

Monitor vibration in machinery and shut it down or sound an alarm if levels rise

4 products

Motor Starters

Turn motors on and off and protect them from current overloads

3 products

Battery Chargers

Charge everything from large-cell to cordless tool to household batteries

59 products

Power Supplies

Convert your facility's AC voltage to power equipment that runs on DC voltage

4 products

Circuit Interrupters

Ground fault protection stops injuries from electric shocks; hardwire to equipment to break circuits

1 product

Transformers

Raise or lower voltage to meet the needs of an individual circuit

12 products

Lighting

Light Bulbs

Standard household, miniature, compact, tubular, ultraviolet, infrared, and blacklight bulbs

608 products

Light Pipes

Concentrate and direct light from the bulb on a circuit board to a display

16 products

Light Lenses

Reduce glare from light bulbs and protect them from damage

4 products

Light Sockets

Install or replace sockets in fixtures for standard household, tubular, compact, or miniature bulbs

4 products

Light Transmitters

Light up small and hard-to-reach areas such as the inside of models, prototypes, and circuit boards

18 products

Building and Machinery Hardware

Hand Wheels

Rotate to adjust machinery, valves, drill presses, and other equipment

7 products

Indicating Knobs

Control devices and view settings at a glance

89 products

Cam Latches

Secure drawers, cabinets, mailboxes, and other enclosures

108 products

Key Racks

Store and quickly identify keys with color-coded and labeled tags

2 products

Lockout Procedure Stations

Store all of your lockout safety procedure forms in one place

3 products

Fabricating and Machining

Multitools

A variety of tools and blades all in one

1 product

3D Printer Probes

Map the ups and downs of print surfaces so printers extrude at the proper height

1 product

Temperature Sensors for 3D Printer Extruder Heating Elements

Measure heating block temperature and send it to printer controllers

2 products

Scribers

Mark steel, stainless steel, plastic, glass, and ceramic surfaces

24 products

Rotary Angle Indexers

Position round workpieces at precise, repeatable angles for machining flats, hexes, and key slots

2 products

Fastening and Joining

Torque Wrenches

Avoid overtightening and damaging fasteners by applying a specific torque

294 products

Bit Adapters

Connect a variety of bits to drills, powered screwdrivers, ratchet wrenches, and other turning tools

3 products

Torque Screwdrivers

Apply precise torque as you fasten screws to prevent overtightening

27 products

Washers

Nearly every size and shape imaginable, from flat washers to clipped to curved

41 products

Hex Head Screws

Used with nuts to create a stronger joint than flat and rounded screws

10 products

Tungsten Electrode Stick-Out Gauges

Measure the distance tungsten electrodes stick out from your nozzle for consistent TIG welding

2 products

Safety Equipment

Alcohol Indicators

Test blood alcohol level in two minutes

1 product

Heat Stress Monitors

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

4 products

Multi-Gas Detectors

Monitor air for carbon monoxide and combustible gases including methane, hydrogen, and propane

3 products

Oxygen Detectors

Too much or too little oxygen triggers alarms and warning lights

2 products

Carbon Monoxide Detectors

Alarms, lights, or color changes alert you to the presence of carbon monoxide

4 products

Hydrogen Sulfide Detectors

Alarms and lights alert you to high levels of hydrogen sulfide

2 products

Sound Level Monitors

Continuously measure ambient sound levels to confirm they fall within your programmed thresholds

4 products

Fire Alarms

Alert people to fires with loud warnings

10 products

Fire Post Indicators

Open and close water supply valves for fire systems buried underground or in a wall

2 products

Respirator Filter Monitors

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

2 products

Earplug Fit Testers

Confirm your earplugs deliver the right level of hearing protection

1 product

Material Handling

Forklift Fork Level Indicators

Mount to your forklift's mast to check if forks are level from the driver's seat

1 product

Robot Tool Changer Calibration Styli

Calibrate robot arm movement for precision in tasks such as attaching fasteners

1 product

Heating, Ventilation, and Air Conditioning

Desiccants

Remove moisture from the air to protect items during shipping and storage

9 products

HVAC Flame Detectors

Replace flame detectors in HVAC equipment such as furnaces, ovens, water heaters, and boilers

1 product

Thermostats

Connect to heaters, fans, and air conditioners to control the temperature

1 product

HVAC Switches

Control and monitor airflow in HVAC systems automatically

3 products

Air Filters

Trap dust and debris in HVAC, exhaust, and electronics systems to improve efficiency and air quality

2 products

Facility and Grounds Maintenance

Faucet Timers

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

1 product

Lubricating

Grease Guns

Manually inject lubrication through grease fittings on equipment and machinery

1 product

Sealing

Gauge Glass Gaskets

Seal the glass on level indicators to monitor liquids without leaks

14 products