Freeze Indicators | McMaster-Carr

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Thermocouple Type

System of Measurement

Maximum Temperature

Less than 250° F

250° F to 499.9° F

500° F to 999.9° F

1,000° F to 1,999.9° F

2,000° F or greater

Less than 100° C

100° C to 249° C

250° C to 499° C

500° C to 999° C

1,000° C or greater

Probe Length

Probe Diameter

For Use With

Hydraulic Fluid

Mount Type

Thermocouple Sensor Connection

Flat-Pin Mini Thermocouple Connector

Round-Pin Thermocouple Connector

Thermometer Type

Minimum Temperature

-250° F or less

-249° F to -100° F

-99° F to -50° F

-49° F to 0° F

Greater than 0° F

-100° C or less

-99° C to -50° C

-49° C to -25° C

-24° C to -20° C

Greater than -20° C

Display Type

Export Control Classification Number (ECCN)

Measurement Unit

Feet per Minute

Kilometers per Hour

Meters per Second

Pounds per Square Inch

Relative Humidity

RoHS

Compliant with Exemptions

REACH

DFARS Specialty Metals

Probe Material

Stainless Steel

Cable Length

Stem Length

Housing Material

Stainless Steel

Sensor Type

Connection Location

Dial Diameter

Pipe Size

Thread Type

Maximum Cable Temperature

How can we improve?

2,535 Products

Communication

Labels

Stick onto items to identify or convey information about them

Measuring and Inspecting

Thermometers

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

Humidity Meters

Humidity Meters

Measure relative humidity without complex calculations

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

Wristwatches

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

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

Data Recorder Charts

Data Recorder Charts

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

Fluid Handling

Water Detector Sensors

Water Detector Sensors

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

RTDs

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

Temperature and Humidity Transmitters

Temperature and Humidity Transmitters

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

Thermocouples

Measure and transmit liquid, gas, and surface temperature

Liquid-Level Gauges

Liquid-Level Gauges

Monitor fluid levels in containers

Noncontact Temperature Sensors

Noncontact Temperature Sensors

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

Electrical

Development Board Sensor Modules

Development Board Sensor Modules

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

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