Indicator Probes | McMaster-Carr

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System of Measurement

Maximum Temperature

1,000° F to 1,999.9° F

Mount Type

Display Type

Thermocouple Type

Probe Length

For Use With

Probe Diameter

Export Control Classification Number (ECCN)

3A992

EAR99

DFARS Specialty Metals

REACH

RoHS

Compliant with Exemptions

Thermometer Type

Measurement Unit

Cubic Meters per Hour

Minimum Temperature

Stem Length

Thermocouple Sensor Connection

Bluetooth

Flat-Pin Mini Thermocouple Connector

Round-Pin Thermocouple Connector

Connection Location

Dial Diameter

Pipe Size

Housing Material

Adjustability

Stem Diameter

Thread Type

Stem Material

Lens Material

4,024 Products

Measuring and Inspecting

Variance Indicator Contact Points

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

123 products

Probe Styli

Attach to CMM probes, CNC probes, or FARO arms to inspect workpieces

110 products

Probe Stylus Installation Tools

Thread a stylus into your probe for a tight hold

2 products

Variance Indicators

Identify small dimensional differences when checking part quality and alignment

59 products

Machine Tool Indicators

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

6 products

Machine Tool Indicator Contact Points

Replace the contact point on your machine tool indicator

3 products

Cords for Measuring Tool Data Processors

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

1 product

Probe Break Stems

Snap in two during an impact to protect probe styli from damage

6 products

Thickness Gauges

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

7 products

Coordinate Measurement Machine Probes

Take 3D measurements of workpieces on your CMM or CNC machine to inspect for quality

24 products

Calibration Spheres

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

2 products

Spring Test Probes

Use in spring test probe sockets to test for continuity and damaged components in circuit boards

79 products

Test Leads

Pair with electrical testers such as multimeters to analyze your devices

41 products

Test Lead Tips

Adapt Fluke test leads to perform electrical tests in tight spaces

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

Thermometers

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

473 products

Hardness Testers

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

2 products

Multimeters

Take current, voltage, resistance, and other electrical measurements

108 products

Current Indicating Rings

Run wire through rings to monitor AC current flow

5 products

Light Meters

Measure light quality and intensity

2 products

Spring Test Probe Sockets

Pair with spring test probes to test for continuity and damaged components in circuit boards

23 products

Data Recorders

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

5 products

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

17 products

Voltage Detectors

Check for voltage in receptacles, cables, and electrical components

8 products

Oscilloscopes

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

1 product

Airflow Meters

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

2 products

Electrical Resistance Meters

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

4 products

Surface Roughness Testers

Trace the surface of a part to calculate its roughness parameters in Ra, Rp, and Rq

1 product

Chemistry Sensors

Pair with chemistry meters to test oxidation reduction potential (ORP) or pH

11 products

Borescopes

Insert the camera into hard-to-reach areas to view them from your smart device or the display

1 product

Temperature and Humidity Meters

Simultaneously measure temperature and relative humidity

3 products

Inspection Cameras

Reach into tight and hard-to-access spots and stream the inspection on your phone or tablet

2 products

Oscilloscope/Multimeters

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

4 products

Fabricating and Machining

3D Printer Probes

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

1 product

Retrievers

Grab and pull objects out of hard-to-reach spots

1 product

Fluid Handling

Water Detector Sensors

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

1 product

RTDs

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

134 products

Temperature Switches

Turn heating equipment on or off at a specified temperature

137 products

Thermocouples

Measure and transmit liquid, gas, and surface temperature

719 products

Flow Transmitters

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

19 products

Noncontact Temperature Sensors

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

22 products

Electrical

Current Relays

Prevent AC current overload in equipment such as motors and heaters

5 products

Relays

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

10 products

Conductivity Controllers

Turn pumps, mixers, and valves on and off based on a solution’s conductivity

1 product

Material Handling

Robot Tool Calibration Styli

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

1 product

Facility and Grounds Maintenance

Soil Probes

Locate underground installations like water mains, drain tiles, and conduit before you dig

2 products

Heating, Ventilation, and Air Conditioning

HVAC Flame Detectors

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

1 product

Safety Equipment

Multi-Gas Detectors

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

1 product