Measure the temperature of dangerous, hard-to-reach, and moving surfaces without risking electrical shock or contamination.

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

Keep these small thermometers in your pocket or toolkit to spot check the temperature of dangerous, hard-to-reach, and moving surfaces without touching them.

A resistance temperature detector (RTD) probe responds to temperature change faster than dial thermometers.

Monitor the temperature of difficult-to-access system components from a distance.

Protect temperature-sensitive materials in refrigerators and freezers with one of these thermometers that sound an alarm and flash the display when temperature rises above your activation point.

For mounting on instrument and control panels, these thermometers have a back flange.

In addition to showing current surface temperature, these thermometers have pointers to indicate the minimum and maximum temperatures since the last reading.

Externally monitor the air temperature inside freezers, refrigerators, water baths, and incubators. These thermometers come with a calibration certificate traceable to NIST that states they’ve passed a test for accuracy.

View temperature readings up to 100 feet from the source. This thermometer includes one temperature sensor with a probe that transmits signals to the wireless monitor. It comes with a calibration certificate traceable to NIST that states it has passed a test for accuracy.

The thermocouple probe measures temperatures up to 500° F, and the thermometer housing meets IPX7 for protection from temporary submersion.

For a longer service life than thermocouple probes and more consistent readings over time, these thermometers have a resistance temperature detector (RTD) probe. They come with a calibration certificate traceable to NIST that states they’ve passed a test for accuracy.

Prevent broken glass and leaking fluid from contaminating your process. These glass thermometers have an FEP coating that absorbs shock and contains glass and liquid for easy cleanup in case of breakage.

The nickel-plated brass housing protects these glass thermometers from cracking or shattering when dropped or bumped.

Store up to 500 readings on these thermometers and determine temperature within ±0.75° F accuracy.

Designed for laboratory applications, these thermometers determine temperature within ±0.75° F accuracy.

Monitor temperature in freezers, coolers, and storage areas with this thermometer that meets NSF/ANSI standards.

A thermowell covers the thermometer stem for protection from vibration, corrosion, shock, and pressure.

An extra-long stem extends into deep tanks and hard-to-reach areas.

The detachable brass thermowell covers the thermometer stem to protect it from vibration, corrosion, shock, and pressure.

Ensure reliable readings with these thermometers. They come with a calibration certificate traceable to NIST that states they’ve passed a test for accuracy.

In addition to a pointer that shows the current temperature, these thermometers have a second pointer that indicates the highest or lowest temperature reached.

Since these thermometers operate on indoor light, there’s no need for batteries. The case rotates 180° to obtain the best viewing angle, and the stem pivots 180° to support angled mounting.

The most accurate threaded thermometers we sell, these come with a calibration certificate traceable to NIST that states they’ve passed a test to fall within ±0.5° F accuracy.

The long stem reaches the bottom of deep beakers and flasks, and the water-resistant housing stands up to washdown conditions and outdoor use. This thermometer comes with a calibration certificate traceable to NIST that states it has passed a test for accuracy.

A protective aluminum housing keeps these glass thermometers from cracking or shattering when dropped.

Instead of a dial, these thermometers have an easy-to-read LCD.

A removable rubber float keeps these thermometers on the surface of liquid-filled containers for hands-free temperature readings.

The mercury-free fluid in these glass thermometers registers temperature changes more quickly than a dial thermometer stem.

Take temperature readings in washdown conditions and outdoor environments.

Fold the probe into the thermometer handle to prevent wear and damage during storage.

The armored stainless steel cable resists wear, abrasion, and corrosion in humid and harsh conditions.

Touch the exposed probe tip to your surface for a quick reading.

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

Protect thermocouple wiring from wear and corrosion with an armored stainless steel cable.

To withstand harsh environments, a protective head seals out dust and moisture and thick probe walls reduce wear on the sensing element.

Bend these probes up to 90° for a custom fit.

An armored stainless steel cable protects wiring from corrosion and damage in humid conditions and harsh environments.

Pierce pliable plastics, rubber, and other soft solids to check the internal temperature.

Also known as feedthrough connectors, these mount through threaded tank openings to make connections between thermocouple probes and external equipment.

Convert thermocouple probe signals to a 4-20 mA signal for use with switches and controllers.

For fast installation, the tips of these RTD probes come attached to mounting connections.

A built-in transmitter converts the probe’s air-temperature readings to a 4-20 mA signal for use with switches, controllers, and data loggers.

For a long service life in harsh conditions, this RTD probe has an armored stainless steel cable to protect wiring from corrosion, abrasion, and impact.

Obtain more accurate and reliable liquid and gas temperature measurements than thermocouple probes.

Send probe readings to switches, controllers, and data loggers without a separate signal converter. A built-in transmitter converts the probe signal to a 4-20 mA signal.

To protect the probe from vibration, corrosion, and shock, these RTD probes come with a thermowell.

Connect RTD wire leads to conduit or instrumentation.

Apply multiple temperature markings to workpieces, pipes, and equipment to visually identify a wide range of temperature changes.

See at a glance whether inventory has been exposed to high temperatures during shipping and storage.

Avoid injury with these labels that indicate when pipes, ovens, and other machinery are too hot to touch.

Record incremental temperature changes.

Isolate thermometers and temperature probes from the contents of dairy and food-processing equipment with these 3-A certified thermowells that have a sanitary quick-clamp connection for easy removal.

Protect thermometers and temperature probes from pressure, vibration, shock, and corrosion in tanks and pipelines. These thermowells isolate the contents of your process, so you can replace temperature sensors without stopping flow or draining the system.

The extra-long nut on these thermowells lets you install thermometers and temperature probes through thick insulation.

Meters measure indoor relative humidity and indoor and outdoor temperatures. Meter with LCD display also measures outdoor relative humidity.

For comprehensive system checks and quality control, these meters measure a wider relative humidity range than pocket meters and can determine dew point in addition to humidity and temperature.

Also known as sling psychrometers, these calculate relative humidity in the field based on continuous temperature measurements from a wet-bulb and a dry-bulb thermometer.

Obtain continuous temperature measurements from a wet-bulb and a dry-bulb thermometer to determine relative humidity.

The USB connection lets you upload up to 32,000 data points to a PC for analysis.

No cords or software required—this data recorder stores readings on an included SD card in Excel format for transfer to a PC.

Track ambient temperature and humidity over time with this recorder that includes a calibration certificate traceable to NIST that states it has passed a test for accuracy.

Monitor temperature and pressure in hard-to-access system components with this data recorder that has remote sensors that track and store readings for upload to a PC.

Take temperature or pressure readings with a Fluke multimeter.

Measure atmospheric pressure changes in both inches of mercury (Hg) and millibars (mbar).

Take field measurements of temperature, dew point, heat index, wind chill, wind speed, and relative humidity.

Check temperature, relative humidity, atmospheric pressure, and time with one barometer.

When long life with little maintenance is critical, rely on the same rugged weather equipment used by the National Weather Service. For a complete weather station, you'll need at least one sensor, a sensor cable, and either the Weather Data Center Display or one of the Real-Time Displays.