Indoor Thermometers | McMaster-Carr

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For Use With

Air Conditioners

Molex Micro-Fit 3.0

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

Display Type

Light Indicator

Mount Type

Thermocouple Type

Measurement Unit

Inches of Mercury

Pounds per Square Inch

Relative Humidity

Thermometer Type

Probe Diameter

Material

Magnesium Oxide

Stainless Steel

Minimum Temperature

-250° F or less

-249° F to -1° F

0° F to 99° F

100° F to 249° F

250° F or greater

-50° C or less

-49° C to -25° C

-24° C to -1° C

0° C to 249° C

250° C or greater

Measures

Air Quality Index

Ambient Temperature

Barometric Pressure

Black Globe Temperature

Body Temperature

Carbon Dioxide Level

Differential Pressure

Equivalent Carbon Dioxide

Export Control Classification Number (ECCN)

RoHS

Compliant with Exemptions

Environment

Food and Beverage

High Temperature

High-Pressure Washdown

REACH

Probe Material

Stainless Steel

Voltage

18V AC to 30V AC

20V AC to 30V AC

24V AC to 250V AC

24V AC to 277V AC

120V AC to 240V AC

120V AC to 277V AC

8V DC to 32V DC

8V DC to 35V DC

10V DC to 30V DC

12V DC to 24V DC

18V DC to 32V DC

24V DC to 75V DC

DFARS Specialty Metals

Electrical Connection

2-Pin Pin-and-Housing Connector

Flat-Pin Mini Thermocouple Connector

Standard Banana

Standard SD Card

Certificate Type

Calibration Certificate

Calibration Certificate Traceable to NIST

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Number of Wires

RTD Probe Resistance

Pipe Size

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557 Products

Temperature and Humidity Meters

Remote-Reading Wall-Mount Temperature and Humidity Meters

Remote-Reading Wall-Mount Temperature and Humidity Meters

Snake the probe outside to measure outdoor temperature in addition to indoor conditions

Temperature and Humidity Meters

Temperature and Humidity Meters

Set on a tabletop to measure indoor temperature and humidity

Remote-Reading High-Accuracy Temperature and Humidity Meters with Calibration Certificate

Remote-Reading High-Accuracy Temperature and Humidity Meters with Calibration Certificate

More accurate than other remote meters for precise indoor readings

Remote-Reading Temperature and Humidity Meters

Remote-Reading Temperature and Humidity Meters

Monitor temperature and humidity both indoors and outdoors with the wireless sensor

Pocket Temperature and Humidity Meters with Calibration Certificate

Pocket Temperature and Humidity Meters with Calibration Certificate

No bigger than a pen for temperature and humidity readings on the go

Through-Wall-Mount Temperature and Humidity Meters

Through-Wall-Mount Temperature and Humidity Meters

Monitor humidity, temperature, and dew point inside sealed containers

Remote-Reading Handheld Temperature and Humidity Meters

Remote-Reading Handheld Temperature and Humidity Meters

Reach into hard-to-access areas to check humidity, temperature, and dew point

Handheld Temperature and Humidity Meters

Handheld Temperature and Humidity Meters

Measure a wider temperature and humidity range than pocket meters

Other Products

Thermometers

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

Barometers

Measure atmospheric pressure changes

Oscilloscope/Multimeters

Oscilloscope/Multimeters

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

RTDs

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

Thermocouples

Measure and transmit liquid, gas, and surface temperature

Thermostats

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

Multimeters

Take current, voltage, resistance, and other electrical measurements

Noncontact Temperature Sensors

Noncontact Temperature Sensors

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

Airflow Meters

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

Pressure Gauges

Pressure Gauges

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

Thermocouple Transmitters

Thermocouple Transmitters

Check system temperatures from your smartphone or tablet

Thermal Cameras

Thermal Cameras

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

Vibration Monitors

Vibration Monitors

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

Development Board Sensor Modules

Development Board Sensor Modules

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

Heat Stress Monitors

Heat Stress Monitors

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

Pressure and Vacuum Gauges

Pressure and Vacuum Gauges

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

Temperature and Humidity Transmitters

Temperature and Humidity Transmitters

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

Temperature-Controlled Outlet Adapters

Temperature-Controlled Outlet Adapters

Automatically turn heating and cooling devices on and off as temperatures rise and fall

Temperature Sensors for 3D Printer Extruder Heating Elements

Temperature Sensors for 3D Printer Extruder Heating Elements

Measure heating block temperature and send it to printer controllers

Test Lead Sensors

Test Lead Sensors

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

Electrical Resistance Meters

Electrical Resistance Meters

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

HVAC Flame Detectors

HVAC Flame Detectors

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

Water Detectors

Water Detectors

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

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