About Selecting Temperature Sensors
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Thermocouple Probes for Air and Surfaces


Press the tips of these probes against a surface to measure its temperature or leave them untouched to measure air temperature. The tip is exposed for rapid response times. Because it’s exposed, these probes are not for use in liquids.
Probe | Cable | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
Lg. | Dia. | Response Time, sec. | Max. Temp., °F | Accuracy | Sensor Type | Lg., ft. | Material | Max. Temp., °F | Each | |
Type T | ||||||||||
Flat-Pin Mini Thermocouple Connector | ||||||||||
3/16" | 1/16" | 7 | 400° | Not Rated below 32° F ±1.8° F between 32° to 240° F ±0.75% above 240° F | Exposed | 3 | FEP Plastic | 400° | 00000000 | 000000 |
Thermocouple Probes with Armored Cable for Air and Surfaces




Measure air and surface temperatures in corrosive environments—an armored stainless steel cable shields the wiring on these probes from wear, abrasion, and corrosion. The tip of the probe is exposed for rapid response times. Because it’s exposed, these probes are not for use in liquids. They are manufactured to conform to ASTM E230. Accuracy is how far off the reported value is from the actual temperature.
Note: When installing probes with wire leads, the red wire is negative.
Probe | Cable | Wire | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Lg. | Dia. | Response Time, sec. | Max.Temp., °F | Accuracy | Sensor Type | Lg., ft. | Material | Max. Temp., °F | Lead Lg. | Gauge | Each | |
Type J | ||||||||||||
Flat-Pin Mini Thermocouple Connector | ||||||||||||
3/16" | 3/16" | 0.02 | 900° | ±4° F between 32° to 533° F ±0.75% above 533° F | Exposed | 3 | Stainless Steel | 900° | __ | __ | 0000000 | 000000 |
3/16" | 3/16" | 0.02 | 900° | ±4° F between 32° to 533° F ±0.75% above 533° F | Exposed | 9 | Stainless Steel | 900° | __ | __ | 0000000 | 00000 |
3/16" | 3/16" | 0.02 | 900° | ±4° F between 32° to 533° F ±0.75% above 533° F | Exposed | 16 | Stainless Steel | 900° | __ | __ | 0000000 | 00000 |
Round-Pin Thermocouple Connector | ||||||||||||
3/16" | 3/16" | 0.02 | 900° | ±4° F between 32° to 533° F ±0.75% above 533° F | Exposed | 3 | Stainless Steel | 900° | __ | __ | 0000000 | 00000 |
3/16" | 3/16" | 0.02 | 900° | ±4° F between 32° to 533° F ±0.75% above 533° F | Exposed | 9 | Stainless Steel | 900° | __ | __ | 0000000 | 00000 |
3/16" | 3/16" | 0.02 | 900° | ±4° F between 32° to 533° F ±0.75% above 533° F | Exposed | 16 | Stainless Steel | 900° | __ | __ | 0000000 | 00000 |
Wire Leads | ||||||||||||
3/16" | 3/16" | 0.02 | 900° | ±4° F between 32° to 533° F ±0.75% above 533° F | Exposed | 3 | Stainless Steel | 900° | 2 1/2" | 20 | 0000000 | 00000 |
3/16" | 3/16" | 0.02 | 900° | ±4° F between 32° to 533° F ±0.75% above 533° F | Exposed | 9 | Stainless Steel | 900° | 2 1/2" | 20 | 0000000 | 00000 |
3/16" | 3/16" | 0.02 | 900° | ±4° F between 32° to 533° F ±0.75% above 533° F | Exposed | 16 | Stainless Steel | 900° | 2 1/2" | 20 | 0000000 | 00000 |
Type K | ||||||||||||
Flat-Pin Mini Thermocouple Connector | ||||||||||||
3/16" | 3/16" | 0.02 | 900° | Not Rated below 32° F ±4° F between 32° to 533° F ±0.75% above 533° F | Exposed | 3 | Stainless Steel | 900° | __ | __ | 0000000 | 00000 |
3/16" | 3/16" | 0.02 | 900° | Not Rated below 32° F ±4° F between 32° to 533° F ±0.75% above 533° F | Exposed | 9 | Stainless Steel | 900° | __ | __ | 0000000 | 00000 |
3/16" | 3/16" | 0.02 | 900° | Not Rated below 32° F ±4° F between 32° to 533° F ±0.75% above 533° F | Exposed | 16 | Stainless Steel | 900° | __ | __ | 0000000 | 00000 |
Round-Pin Thermocouple Connector | ||||||||||||
3/16" | 3/16" | 0.02 | 900° | Not Rated below 32° F ±4° F between 32° to 533° F ±0.75% above 533° F | Exposed | 3 | Stainless Steel | 900° | __ | __ | 0000000 | 00000 |
3/16" | 3/16" | 0.02 | 900° | Not Rated below 32° F ±4° F between 32° to 533° F ±0.75% above 533° F | Exposed | 9 | Stainless Steel | 900° | __ | __ | 0000000 | 00000 |
3/16" | 3/16" | 0.02 | 900° | Not Rated below 32° F ±4° F between 32° to 533° F ±0.75% above 533° F | Exposed | 16 | Stainless Steel | 900° | __ | __ | 0000000 | 00000 |
Wire Leads | ||||||||||||
3/16" | 3/16" | 0.02 | 900° | Not Rated below 32° F ±4° F between 32° to 533° F ±0.75% above 533° F | Exposed | 3 | Stainless Steel | 900° | 2 1/2" | 20 | 0000000 | 00000 |
3/16" | 3/16" | 0.02 | 900° | Not Rated below 32° F ±4° F between 32° to 533° F ±0.75% above 533° F | Exposed | 9 | Stainless Steel | 900° | 2 1/2" | 20 | 0000000 | 00000 |
3/16" | 3/16" | 0.02 | 900° | Not Rated below 32° F ±4° F between 32° to 533° F ±0.75% above 533° F | Exposed | 16 | Stainless Steel | 900° | 2 1/2" | 20 | 0000000 | 00000 |
Type T | ||||||||||||
Flat-Pin Mini Thermocouple Connector | ||||||||||||
3/16" | 3/16" | 0.02 | 700° | Not Rated below 32° F ±1.8° F between 32° to 240° F ±0.75% above 240° F | Exposed | 3 | Stainless Steel | 900° | __ | __ | 0000000 | 00000 |
3/16" | 3/16" | 0.02 | 700° | Not Rated below 32° F ±1.8° F between 32° to 240° F ±0.75% above 240° F | Exposed | 9 | Stainless Steel | 900° | __ | __ | 0000000 | 00000 |
3/16" | 3/16" | 0.02 | 700° | Not Rated below 32° F ±1.8° F between 32° to 240° F ±0.75% above 240° F | Exposed | 16 | Stainless Steel | 900° | __ | __ | 0000000 | 00000 |
Round-Pin Thermocouple Connector | ||||||||||||
3/16" | 3/16" | 0.02 | 700° | Not Rated below 32° F ±1.8° F between 32° to 240° F ±0.75% above 240° F | Exposed | 3 | Stainless Steel | 900° | __ | __ | 0000000 | 00000 |
3/16" | 3/16" | 0.02 | 700° | Not Rated below 32° F ±1.8° F between 32° to 240° F ±0.75% above 240° F | Exposed | 9 | Stainless Steel | 900° | __ | __ | 0000000 | 00000 |
3/16" | 3/16" | 0.02 | 700° | Not Rated below 32° F ±1.8° F between 32° to 240° F ±0.75% above 240° F | Exposed | 16 | Stainless Steel | 900° | __ | __ | 0000000 | 00000 |
Wire Leads | ||||||||||||
3/16" | 3/16" | 0.02 | 700° | Not Rated below 32° F ±1.8° F between 32° to 240° F ±0.75% above 240° F | Exposed | 3 | Stainless Steel | 900° | 2 1/2" | 20 | 0000000 | 00000 |
3/16" | 3/16" | 0.02 | 700° | Not Rated below 32° F ±1.8° F between 32° to 240° F ±0.75% above 240° F | Exposed | 9 | Stainless Steel | 900° | 2 1/2" | 20 | 0000000 | 00000 |
3/16" | 3/16" | 0.02 | 700° | Not Rated below 32° F ±1.8° F between 32° to 240° F ±0.75% above 240° F | Exposed | 16 | Stainless Steel | 900° | 2 1/2" | 20 | 0000000 | 00000 |
Fluke High-Accuracy Data-Logging Thermometers



Store up to 500 readings on these thermometers and determine temperature within ±0.75° F accuracy.
Thermometers with NIST certificate include a calibration certificate traceable to NIST that states the thermometer has passed a test for accuracy.
The optional type K probe (sold separately) connects to your thermometer to measure temperatures up to 537° C or 1000° F.
Probe | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
No. of Probe Inputs | Temperature Range | Resolution | Accuracy | Response Time, sec. | Cable Lg., ft. | Lg. | Dia. | Manufacturer Part No. | Specifications Met | Batteries Included | Each | |
Thermometers | ||||||||||||
For Use With Air, Gases, Solids, Surfaces | ||||||||||||
1 | -40° to 500° F/-40° to 260° C/233 to 533 K | 0.1/0.1/0.1 | ±0.75° F/±0.4° C | 2 | 3.25 | 3/16" | 1/16" | 53-2B | CE Marked, CSA Certified | Yes | 00000000 | 0000000 |
2 | -40° to 500° F/-40° to 260° C/233 to 533 K | 0.1/0.1/0.1 | ±0.75° F/±0.4° C | 2 | 3.25 | 3/16" | 1/16" | 54-2B | CE Marked, CSA Certified | Yes | 00000000 | 000000 |
Thermometers with NIST Certificate | ||||||||||||
For Use With Air, Gases, Solids, Surfaces | ||||||||||||
1 | -40° to 500° F/-40° to 260° C/233 to 533 K | 0.1/0.1/0.1 | ±0.75° F/±0.4° C | 2 | 3.25 | 3/16" | 1/16" | 53-2B | CE Marked, CSA Certified | Yes | 00000000 | 000000 |
2 | -40° to 500° F/-40° to 260° C/233 to 533 K | 0.1/0.1/0.1 | ±0.75° F/±0.4° C | 2 | 3.25 | 3/16" | 1/16" | 54-2B | CE Marked, CSA Certified | Yes | 00000000 | 00000000 |
Optional Type K Probe (8 3/8" Lg.) | 00000000 | Each | 0000000 |
Fluke High-Accuracy Hand-Held Thermometers



Designed for laboratory applications, these thermometers determine temperature within ±0.75° F accuracy.
Thermometers with NIST certificate include a calibration certificate traceable to NIST that states the thermometer has passed a test for accuracy.
The optional type K probe (sold separately) connects to your thermometer to measure temperatures up to 537° C or 1000° F.
Probe | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
No. of Probe Inputs | Temperature Range | Resolution | Accuracy | Response Time, sec. | Cable Lg., ft. | Lg. | Dia. | Manufacturer Part No. | Specifications Met | Batteries Included | Each | |
Thermometers | ||||||||||||
For Use With Air, Gases, Solids, Surfaces | ||||||||||||
1 | -40° to 500° F/-40° to 260° C/233 to 533 K | 0.1/0.1/0.1 | ±0.75° F/±0.45° C | 2 | 3.25 | 3/16" | 1/16" | 51-2 | CE Marked, CSA Certified | Yes | 00000000 | 0000000 |
2 | -40° to 500° F/-40° to 260° C/233 to 533 K | 0.1/0.1/0.1 | ±0.75° F/±0.45° C | 2 | 3.25 | 3/16" | 1/16" | 52-2 | CE Marked, CSA Certified | Yes | 00000000 | 000000 |
Thermometers with NIST Certificate | ||||||||||||
For Use With Air, Gases, Solids, Surfaces | ||||||||||||
1 | -40° to 500° F/-40° to 260° C/233 to 533 K | 0.1/0.1/0.1 | ±0.75° F/±0.45° C | 2 | 3.25 | 3/16" | 1/16" | 51-2 | CE Marked, CSA Certified | Yes | 00000000 | 000000 |
2 | -40° to 500° F/-40° to 260° C/233 to 533 K | 0.1/0.1/0.1 | ±0.75° F/±0.45° C | 2 | 3.25 | 3/16" | 1/16" | 52-2 | CE Marked, CSA Certified | Yes | 00000000 | 000000 |
Optional Type K Probe (8 3/8" Lg.) | 00000000 | Each | 0000000 |