Surface Thermometers | McMaster-Carr

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	Thermometer Type Thermometer Type


Direct Reading	Remote Reading

Noncontact

	For Use With For Use With

	Connection Type Connection Type


Wire Leads	Flat Pin

	Thermocouple Type Thermocouple Type

	Display Type Display Type


Dial	Digital

	Maximum Temperature Maximum Temperature

	Minimum Temperature Minimum Temperature

	Mount Type Mount Type

	Cable Length Cable Length

	Probe Diameter Probe Diameter

1/16"

3/16"

11/16"

	Scale Scale

Fahrenheit

Celsius

Kelvin

	Housing Material Housing Material

Aluminum

Plastic

	Sensor Type Sensor Type

Exposed

Grounded

Ungrounded

	Cable Material Cable Material

	Maximum Diameter , Outer (Pipe) (For) Maximum Diameter , Outer (Pipe) (For)

7/8"

1 5/8"

2 3/8"

	Minimum Diameter , Outer (Pipe) (For) Minimum Diameter , Outer (Pipe) (For)

3/4"

1 5/8"

	For Thermocouple Probe Type For Thermocouple Probe Type

	Maximum Cable Temperature Maximum Cable Temperature

	Response Time Response Time

	Probe Material Probe Material

	Probe Length Probe Length

	Width Width

	Graduation Marks Graduation Marks

2° F

5° F

2° C

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34 Products

About Selecting Temperature Sensors

Single-Probe Input

Dual-Probe Input

Optional Type K Probe

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	000000

Optional Type K Probe (8 3/8" Lg.)

00000000

Each

0000000

High-Temperature Water-Resistant
Hand-Held Thermometers

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

						Probe
Temperature Range	Resolution	Accuracy	No. of Probe Inputs	Response Time, sec.	Cable Lg., ft.	Lg.	Dia.	Specifications Met	Batteries Included		Each
For Use With Surfaces
-100° to 500° F/-73° to 260° C	0.1, 1/0.1, 1	+2.7° F, -6.3° F/+1.5° C, -3.5° C	1	2	3	5 3/4"	11/16"	CE Marked, IPX7	Yes	00000000	0000000

Stainless Steel Replacement Probe

00000000

Each

0000000

Pocket Infrared Thermometers

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.

Thermometers with adjustable emissivity can be calibrated for more accurate readings of shiny surfaces than thermometers with fixed emissivity.

Warning: These infrared thermometers are not intended for medical use. Use Non-Contact Forehead Thermometers for medical use.

For Dark Surfaces
	Temperature Range	Resolution	Accuracy	Max. Working Distance	Emissivity	Response Time, sec.	Ht.	Wd.	Housing Material	Specifications Met	Batteries Included		Each
Fixed Emissivity
B	-25° to 999° F/-32° to 535° C	0.1/0.1	±5° F/±3° C	2ft.	0.95	1	8 1/16"	2 7/16"	Plastic	CE Marked	Yes	0000000	0000000
For Dark, Light, Shiny Surfaces
Adjustable Emissivity
C	-22° to 572° F/-30° to 300° C	0.1/0.1	±2%/±2%	6"	0.2 to 0.99	0.5	4 1/2"	1.7"	Plastic	CE Marked, IP40	Yes	0000000	000000
D	32° to 932° F/0° to 500° C	1/1	±3.6° F/±2° C	15ft.	0.7 to 0.95	1	6 5/16"	1 11/16"	Plastic	CE Marked, IP67	Yes	0000000	000000

Pipe-Mount Surface-Temperature Thermometers

Strap Mount

Clip-On Mount

Strap-mount thermometers wrap around pipes with a flexible strap.

Clip-on-mount thermometers have a spring-loaded clip that snaps onto pipes.

Available Temperature Ranges
Temperature Range	Graduation Marks	Accuracy
-50° to 250° F	2°F	±2%
0° to 150° F	2°F	±2%
70° to 370° F	2°F	±2%
70° to 500° F	5°F	±2%
-40° to 120° C	2°C	±2%
20° to 180° C	2°C	±2%
20° to 260° C	2°C	±2%

		Material
For Pipe OD	Dial Dia.	Housing	Clip	Strap	Lens		Each
*Not available in 70° to 500° F, 20° to 260° C
Strap Mount
3/4" to 6"	2"	Aluminum	__	Stainless Steel	Glass	000000	000000
Clip-On Mount
3/4" to 7/8"	2"	Aluminum	Steel	__	Glass	0000000	00000
1" to 1 5/8"	2"	Aluminum	Steel	__	Glass	0000000	00000
1 5/8" to 2 3/8"	2"	Aluminum	Steel	__	Glass	0000000	00000

Thermocouple Probes for Surfaces

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

	Probe									Wire
Temperature Range, ° F	Lg.	Dia.	Accuracy	Response Time, sec.	Cable Lg., ft.	Connection Type	Sensor Type	Cable Material	Max. Cable Temperature, ° F	Lead Lg.	Gauge		Each
Copper Probe
Type T
-325° to 650°	3/8"	1/16"	±0.75%	1.8	3	Wire Leads	Exposed	Fiberglass	900°	2"	20	0000000	000000
-325° to 650°	3/8"	1/16"	±0.75%	1.8	6	Wire Leads	Exposed	Fiberglass	900°	2"	20	0000000	00000
-325° to 650°	3/8"	1/16"	±0.75%	1.8	12	Wire Leads	Exposed	Fiberglass	900°	2"	20	0000000	00000
-325° to 650°	3/8"	1/16"	±0.75%	1.8	25	Wire Leads	Exposed	Fiberglass	900°	2"	20	0000000	00000
Iron Probe
Type J
32° to 900°	3/8"	1/16"	±0.50%	1.8	12	Wire Leads	Exposed	Fiberglass	900°	2"	20	0000000	00000
32° to 900°	3/8"	1/16"	±0.50%	1.8	25	Wire Leads	Exposed	Fiberglass	900°	2"	20	0000000	00000
32° to 900°	3/8"	1/16"	±0.75%	1.8	3	Wire Leads	Exposed	Fiberglass	900°	2"	20	0000000	00000
32° to 900°	3/8"	1/16"	±0.75%	1.8	6	Wire Leads	Exposed	Fiberglass	900°	2"	20	0000000	00000
Nickel Probe
Type K
32° to 900°	3/8"	1/16"	±0.50%	1.8	12	Wire Leads	Exposed	Fiberglass	900°	2"	20	0000000	00000
32° to 900°	3/8"	1/16"	±0.50%	1.8	25	Wire Leads	Exposed	Fiberglass	900°	2"	20	0000000	00000
32° to 900°	3/8"	1/16"	±0.75%	1.8	3	Wire Leads	Exposed	Fiberglass	900°	2"	20	0000000	00000
32° to 900°	3/8"	1/16"	±0.75%	1.8	6	Wire Leads	Exposed	Fiberglass	900°	2"	20	0000000	00000

Quick-Connect Thermocouple Probes for Surfaces

The probe tips come attached to mounting connections for fast installation.

Hose-clamp and hook-and-loop probes fit around pipes, tubes, and cylindrical containers.

Hose-Clamp Probes

Hose-Clamp Probe

Stainless Steel Probe
Thermocouple Type	Temperature Range, ° F	Opening Range	Accuracy	Response Time, sec.	Cable Lg., ft.	Connection Type	Sensor Type	Cable Material	Max. Cable Temperature, ° F	Pin Lg.	Wd.	Fasteners Included		Each
J	32° to 250°	11/16" - 1 1/4"	±0.75%	25	10	Flat Pin	Grounded	Stainless Steel	950°	1/2"	9/16"	Yes	000000000	000000
J	32° to 250°	13/16" - 1 1/2"	±0.75%	25	10	Flat Pin	Grounded	Stainless Steel	950°	1/2"	9/16"	Yes	000000000	00000
J	32° to 250°	1 5/16" - 2 1/4"	±0.75%	25	10	Flat Pin	Grounded	Stainless Steel	950°	1/2"	9/16"	Yes	000000000	00000
K	32° to 250°	11/16" - 1 1/4"	±0.75%	25	10	Flat Pin	Grounded	Stainless Steel	950°	1/2"	9/16"	Yes	000000000	00000
K	32° to 250°	13/16" - 1 1/2"	±0.75%	25	10	Flat Pin	Grounded	Stainless Steel	950°	1/2"	9/16"	Yes	000000000	00000
K	32° to 250°	1 5/16" - 2 1/4"	±0.75%	25	10	Flat Pin	Grounded	Stainless Steel	950°	1/2"	9/16"	Yes	000000000	00000

Heavy Duty Thermocouple Probes for Solids

The armored stainless steel cable resists wear, abrasion, and corrosion in humid and harsh conditions. A bayonet connection securely holds the probe in place in high-vibration environments.

	Probe									Wire
Temperature Range, ° F	Lg.	Dia.	Accuracy	Response Time, sec.	Cable Lg., ft.	Connection Type	Sensor Type	Cable Material	Max. Cable Temperature, ° F	Lead Lg.	Gauge		Each
Stainless Steel Probe
Type J
32° to 1380°	1/2"	3/16"	±0.75%	Not Rated	10	Wire Leads	Ungrounded	Stainless Steel	900°	3"	20	00000000	000000
Type K
32° to 2280°	1/2"	3/16"	±0.75%	Not Rated	10	Wire Leads	Ungrounded	Stainless Steel	900°	3"	20	00000000	00000

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