CE Marked RTDs | McMaster-Carr

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ATEX II 2 GD Ex Db IIC Gb Ex Tb IIIC Db

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Electrical Connection

30 Products

Threaded RTD Probe Transmitters for Liquids and Gas

Send temperature readings directly to programmable logic controllers (PLCs)—with a built-in 4-20mA transmitter, these RTDs don’t require a separate signal converter. They have an NPT male probe connection, so they’re ready to screw into thermowells and other fittings on pipe and tanks. Made of 316 or 316L stainless steel, they resist corroding from harsh cleaning chemicals. This stainless steel also protects the RTD sensor inside from impact. They are also often installed in bores to measure the temperature of molds and dies. CE marked, they meet European safety standards.

Circular DIN Connection

Fixed Probe—Fixed RTDs can be used directly in liquid or steam because they’re welded to their fitting for a liquid-tight seal.

		Probe
	RTD Probe Resistance, ohm	Lg.	Dia.	Accuracy	Response Time	Probe Connection Pipe Size	Voltage, V DC	Max. Pressure, psi	Output Current, mA	Overall Lg.	Fitting Material	Choose a Temperature, ° F		Each
NPT Male Probe Connection—Fixed 316 Stainless Steel Probe with Plastic Head (IP65)



		100	1 3/4"	1/4"	±0.5%	Not Rated	1/2	10 to 30	725	4 to 20	5 3/4"	316 Stainless Steel	-40 to 120, 0 to 250, 50 to 400	6467T6	0000000


		100	3 1/4"	1/4"	±0.5%	Not Rated	1/2	10 to 30	725	4 to 20	7 1/4"	316 Stainless Steel	-40 to 120, 0 to 250, 50 to 400	6467T7	000000
		100	5 1/4"	1/4"	±0.5%	Not Rated	1/2	10 to 30	725	4 to 20	9 1/4"	316 Stainless Steel	-40 to 120, 0 to 140, 50 to 400	6467T8	000000
		100	8 1/4"	1/4"	±0.5%	Not Rated	1/2	10 to 30	725	4 to 20	12 1/4"	316 Stainless Steel	-40 to 120, 0 to 200, 50 to 400	6467T9	000000
		100	11 1/4"	1/4"	±0.5%	Not Rated	1/2	10 to 30	725	4 to 20	15 1/4"	316 Stainless Steel	-40 to 120, 0 to 250, 50 to 400	6467T11	000000

4-Pole M12 Plug-In Connection

Image of Product. Front orientation. Contains Annotated. RTDs. Threaded RTD Probe Transmitters for Liquids and Gas, M12 Connection.

Fixed Probe—Fixed RTDs can be used directly in liquid or steam because they’re welded to their fitting for a liquid-tight seal.

IO Link Communication Protocol—RTDs with IO Link let you remotely adjust settings, read measurements, and receive error messages when connected to a PLC via an IO Link controller (not included). These RTDs meet EN 60751 Class A standards for temperature accuracy. UL and C-UL listed, they meet American and Canadian safety standards.

		Probe
	RTD Probe Resistance, ohm	Lg.	Dia.	Accuracy	Response Time, sec.	Probe Connection Pipe Size	Voltage, V DC	Max. Pressure, psi	Output Current, mA	Communication Protocol	Overall Lg.	Fitting Material	Temp., ° F		Each
NPT Male Probe Connection—Fixed 316L Stainless Steel Probe (IP67, IP68, IP69K)



		1,000	11/16"	1/4"	±0.5%	3	1/2	18 to 32	5,800	4 to 20	IO Link	4 1/8"	316L Stainless Steel	0 to 300	6467T51	0000000


		1,000	1 1/2"	1/4"	±0.5%	3	1/2	18 to 32	4,350	4 to 20	IO Link	5"	316L Stainless Steel	0 to 300	6467T52	000000
		1,000	3 1/2"	1/4"	±0.5%	3	1/2	18 to 32	4,350	4 to 20	IO Link	7"	316L Stainless Steel	0 to 300	6467T53	000000
		1,000	5 7/16"	1/4"	±0.5%	3	1/2	18 to 32	4,350	4 to 20	IO Link	8 7/8"	316L Stainless Steel	0 to 300	6467T54	000000

Cords

Electrical Connection	Electrical Connector Component	Cable Lead Lg., ft.	Voltage	Current, amp	Face Dia.		Each
M12, Wire Leads	Socket	12	250V AC, 250V DC	4	0.3"	6897K36	000000

Thermocouple and RTD Connection Heads

Screw-On Cap with

Retaining Chain

Attach these heads to your thermocouple or RTD probe to protect wiring from dust and moisture. The removable cap makes it easy to access your wiring when you need. Install an optional terminal block inside the head to keep your wiring organized.

Hazardous Locations—Hazardous location connection heads are rated for use in Class I, Divisions 1 and 2, Groups A, B, C, and D; Class II, Divisions 1 and 2, Groups E, F, and G; and Class III, Divisions 1 and 2 environments with flammable gases, combustible dust, and combustible fibers.

	Probe Connection			Conduit Connection
	Pipe Size	Thread Type	Gender	Pipe Size	Thread Type	Gender	Includes	Environment	Hazardous Location Rating	Enclosure Rating		Each
Stainless Steel



		1/2	NPT	Female	3/4	NPT	Female	Screw-On Cap with Retaining Chain	Dusty, Hazardous, Washdown, Wet	NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Class III Divisions 1, 2 NEC Zone 1 Groups IIC, IIB, IIA NEC Zone 21 Groups IIIC, IIIB, IIIA IEC Zone 1 Groups IIC, IIB, IIA IEC Zone 21 Groups IIIC, IIIB, IIIA AEx D IIC Gb AEx Tb IIIC Db Ex D IIC Gb Ex Tb IIIC Db ATEX II 2 GD Ex Db IIC Gb Ex Tb IIIC Db IECEx Ex Db IIC Gb IECEx Ex Tb IIIC Db	IP66	38705K23	0000000

Threaded RTD Probe Transmitters with Digital Display for Liquids and Gas

View temperature readings and adjust settings directly on these RTD probe transmitters. To communicate with programmable logic controllers (PLCs), they have a built-in transmitter with two outputs. One output can send a digital switching signal or use IO Link protocol with the addition of an IO Link controller (not included). The other can send a digital switching signal or a 4-20mA analog signal. The different output options make these RTDs good for a wide range of uses, including operating far away from a controller, taking automated measurements, and providing inputs to switching applications. All have an NPT threaded fitting welded onto the probe, so they’re ready to screw into containers, tanks, and pipes. Probe length is fixed. Made of 316L stainless steel, they are highly corrosion resistant.

These RTDs meet EN 60751 Class A standards for temperature accuracy. UL Listed, C-UL Listed, and CE Marked, all meet American, Canadian, and European safety standards.

4-Pole M12 Plug-In Connection

			Probe						Configurable Digital Output			Configurable Analog/Digital Output
	RTD Probe Resistance, ohm	Temp. Range, ° F	Lg.	Dia.	Accuracy	Response Time, sec.	Probe Connection Pipe Size	Max. Pressure, psi	No. of	Communication Protocol	Signal Output	No. of	Current, mA	Signal Output	Overall Lg.	Fitting Material	Sensing Element Material	Specs. Met	Voltage, V DC		Each
NPT Male Probe Connection—Fixed 316L Stainless Steel Probe with Plastic Head (IP67)



		1,000	-55 to 300	1/2"	1/4"	±0.75%	3	1/4	5,800	1	IO Link	NPN/PNP	1	4 to 20	NPN/PNP	4 7/8"	316L Stainless Steel	Platinum	EN 60751 Class A	18 to 32	6912N16	0000000


		1,000	-55 to 300	1/2"	1/4"	±0.75%	3	1/2	4,350	1	IO Link	NPN/PNP	1	4 to 20	NPN/PNP	4 7/8"	316L Stainless Steel	Platinum	EN 60751 Class A	18 to 32	6912N11	000000
		1,000	-55 to 300	1 1/4"	1/4"	±0.75%	3	1/4	5,800	1	IO Link	NPN/PNP	1	4 to 20	NPN/PNP	5 5/8"	316L Stainless Steel	Platinum	EN 60751 Class A	18 to 32	6912N17	000000
		1,000	-55 to 300	1 1/4"	1/4"	±0.75%	3	1/2	4,350	1	IO Link	NPN/PNP	1	4 to 20	NPN/PNP	5 5/8"	316L Stainless Steel	Platinum	EN 60751 Class A	18 to 32	6912N12	000000
		1,000	-55 to 300	3 1/4"	1/4"	±0.75%	3	1/2	3,625	1	IO Link	NPN/PNP	1	4 to 20	NPN/PNP	7 5/8"	316L Stainless Steel	Platinum	EN 60751 Class A	18 to 32	6912N13	000000
		1,000	-55 to 300	5 3/16"	1/4"	±0.75%	3	1/2	3,625	1	IO Link	NPN/PNP	1	4 to 20	NPN/PNP	9 1/2"	316L Stainless Steel	Platinum	EN 60751 Class A	18 to 32	6912N14	000000

Cords

Electrical Connection	Electrical Connector Component	Cable Lead Lg., ft.	Voltage	Current, amp	Face Dia.		Each
M12, Wire Leads	Socket	12	250V AC, 250V DC	4	0.3"	6897K36	000000

Long-Life Handheld Thermometers with Calibration Certificate

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.

							Probe
	Temp. Range	Temp. Resolution	Accuracy	No. of Probe Inputs	Response Time, sec.	Cable Lg., ft.	Lg.	Dia.	Certification	Batteries Included		Each
For Use With Air, Gas, and Liquids



		-148° F to 572° F/-100° C to 300° C	0.01° F/0.01° C	±0.9° F/±0.5° C	1	1	3	6"	1/8"	CE Marked	Yes	9282T22	0000000

RTD Transmitters

Convert signals from your RTD probe into signal types that data loggers, controllers, and other instruments can read.

Head Mount


Transmitter Shown Installed (Head and Probe Not Included)	Round

	Dp.	Voltage, V DC	Output Current, mA	Housing Material	For Max. Wire Ga.		Each
Round







	Screw-Terminal Wire Connection

	100	0 to 100	1 3/4"	1"	10 to 30	4 to 20	Plastic	15	40705K802	0000000


	100	0 to 200	1 3/4"	1"	10 to 30	4 to 20	Plastic	15	40705K803	000000
	100	0 to 300	1 3/4"	1"	10 to 30	4 to 20	Plastic	15	40705K804	000000
	100	0 to 400	1 3/4"	1"	10 to 30	4 to 20	Plastic	15	40705K801	000000

Thread In

Thread-in transmitters automatically recognize the probe type, so you don’t need to program them to match. They communicate via IO Link, which lets you change settings, read measurements, and receive error messages remotely when connected to a PLC via an IO Link controller (not included).

	Temp. Range, ° F	Dia.	Dp.	Voltage, V DC	Output Current, mA	Output Voltage, V DC	Communication Protocol	Housing Material	Enclosure Rating		Each
4-Pole M12



	100/1,000	-55 to 300	3/4"	2"	20 to 32	4 to 20	—	IO Link	Plastic	IP67	38875K91	0000000


	100/1,000	32 to 212	3/4"	2"	18 to 32	—	0 to 10	IO Link	Plastic	IP67	38875K94	000000
	100/1,000	32 to 212	3/4"	2"	20 to 32	4 to 20	—	IO Link	Plastic	IP67	38875K92	000000

Sanitary RTD Probe Transmitters with Digital Display for Liquids and Gas

Check the temperature of liquids in hygienic applications such as food or pharmaceutical lines and tanks. Certified by 3-A to meet sanitary design standards, the parts of these probes that will touch liquid are highly polished to minimize spots where bacteria could grow. They're made of stainless steel, so they won't corrode from harsh cleaners and sanitizers. The housing is IP69K rated, meaning it withstands high-pressure, high-temperature washdowns that are common in hygienic cleaning practices. They have a flange that will connect to sanitary quick clamp fittings (also known as tri-clamp fittings); they're easy to connect and remove from your line.

Program these probes with the touchscreen, and select one of three colors as a visual alert for events in your process such as irregular or fluctuating temperatures. The head swivels 345° and the face rotates all the way around, so you can mount the sensor at any angle and still see the display. To trigger actions in your process line, connect these probes to remote displays, programmable logic controllers (PLCs), and other control equipment with the M12 plug. These probes meet EN 60751, an industry standard for accuracy. They’re also CE marked, meaning they meet European Union safety standards.

5-Pole M12 Plug-In Connection


	Three-Color Display

	RTDs															Cords
			Probe
	RTD Probe Resistance, ohm	Temp. Range, ° F	Lg.	Dia.	Accuracy	Response Time, sec.	Flange OD	Max. Pressure, psi	Overall Lg.	Specs. Met	Voltage, V DC	Output Current, mA	Features		Each		Each
316L Stainless Steel Probe with 304 Stainless Steel Head (IP69K)







				For 1 1/2" OD Tubes

				100	-55 to 480	2"	5/16"	±0.1%	25	1.988"	580	6 3/4"	EN 60751 Class B	8 to 35	4 to 20	Multicolored Backlit Display, Touchscreen	6904N12	0000000	7909N18	000000

Long-Life Data-Logging Thermometers

For more accurate and consistent readings than thermometers with thermocouple probes and a longer service life, these thermometers have a resistance temperature detector (RTD) probe. It logs up to 2,000 time- and date-stamped readings and uploads data to a PC through the USB port.

							Probe
	Temp. Range	Resolution, ° C	Accuracy	No. of Probe Inputs	Response Time, sec.	Cable Lg., ft.	Lg.	Dia.	Certification	Batteries Included		Each
For Use With Air, Gas, Liquids, Solids, and Surfaces



		-58° F to 932° F/-50° C to 500° C	0.1/0.1	±0.1° F/±0.1° C	1	10	5	4"	3/16"	CE Marked	Yes	38655K18	000000000

Accessories and Replacements for Thermometers

		Each
316 Stainless Steel Replacement Probe	38655K49	0000000
Power Adapter (120V AC, 240V AC)	38655K52	00000