Metric Monitors | McMaster-Carr

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System of Measurement

Diameter

Signal Output

Input Voltage

Mounting Thread Size

Number of Wire Leads

Electrical Connection

1/2" Circular Connector

Sensor Type

Housing Material

Environment

High-Pressure Washdown

High-Temperature Washdown

Switch Starting Position

Length

Number of Poles

Sensor Method

Enclosure Rating

Electrical Connector Component

Wire Connection

Switching Voltage

Face Material

Electrical Connection Type

Current Output

DFARS Specialty Metals

Exempt

RoHS

Compliant

Compliant with Exemptions

Not Compliant

Export Control Classification Number (ECCN)

REACH

Thread Type

UN/UNF (SAE Straight)

587 Products

Measuring and Inspecting

Torque Sensors

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

16 products

Lubricating

Grease Guns

Manually inject lubrication through grease fittings on equipment and machinery

3 products

Fluid Handling

Sights

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

6 products

RTDs

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

5 products

Noncontact Temperature Sensors

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

19 products

Electrical

Snap-Acting Switches

Open and close circuits quickly to minimize arcing and sticking; often used as door-open indicators

7 products

Light Curtains

Immediately cut power to machinery when anything blocks the light beam

2 products

Sensor Switches

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

445 products

Limit Switches

Turn equipment on or off when objects touch the actuator; often used for conveyors and bin filling

20 products

Magnetic Switches

Actuate when a magnet comes within sensing distance; often used to detect when doors or windows open

10 products

Switch Mounts

Mount sensor switches to panel cutouts, tank walls, or conveyors

1 product

HDMI Adapters

Convert one HDMI size or style to another

1 product

Building and Machinery Hardware

Positioning Arms

Mount and position tools, small electronics, and displays

1 product