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About Temperature Sensors
Choose between RTDs and thermocouples based on your application's maximum temperature, duration, and environment.
RTD Probes for Liquids and Gas
RTDs
Probe | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
RTD Probe Resistance, ohm | Temp. Range, ° F | Lg. | Dia. | Accuracy | Response Time, sec. | Enclosure Rating | Specs. Met | Each | |||
4-Pin M12 Plug-In Connection—316L Stainless Steel Probe | |||||||||||
| 100 | -40 to 300 | 2" | 1/4" | ±0.1% | 3 | IP68, IP69K | EN 60751 Class A | 3866K62 | 0000000 | ||
| 100 | -40 to 300 | 2 3/4" | 1/4" | ±0.1% | 3 | IP68, IP69K | EN 60751 Class A | 3866K56 | 000000 | ||
| 100 | -40 to 300 | 3 7/8" | 1/4" | ±0.1% | 3 | IP68, IP69K | EN 60751 Class A | 3866K57 | 000000 | ||
| 100 | -40 to 300 | 5 7/8" | 1/4" | ±0.1% | 3 | IP68, IP69K | EN 60751 Class A | 3866K55 | 000000 | ||
| 100 | -40 to 300 | 6 1/4" | 3/8" | ±0.1% | 3 | IP68, IP69K | EN 60751 Class A | 3866K47 | 000000 | ||
| 100 | -40 to 300 | 7 7/8" | 1/4" | ±0.1% | 3 | IP68, IP69K | EN 60751 Class A | 3866K65 | 000000 | ||
| 100 | -40 to 300 | 9 7/8" | 1/4" | ±0.1% | 3 | IP68, IP69K | EN 60751 Class A | 3866K59 | 000000 | ||
| 100 | -40 to 300 | 10 1/4" | 3/8" | ±0.1% | 3 | IP68, IP69K | EN 60751 Class A | 3866K48 | 000000 | ||
| 100 | -40 to 300 | 13 3/4" | 1/4" | ±0.1% | 3 | IP68, IP69K | EN 60751 Class A | 3866K63 | 000000 | ||
| 100 | -40 to 300 | 14 1/8" | 3/8" | ±0.1% | 3 | IP68, IP69K | EN 60751 Class A | 3866K49 | 000000 | ||
| 100 | -40 to 300 | 22" | 3/8" | ±0.1% | 3 | IP68, IP69K | EN 60751 Class A | 3866K72 | 000000 | ||
| 1,000 | -40 to 300 | 6 1/4" | 1/4" | ±0.1% | 3 | IP68, IP69K | EN 60751 Class A | 3866K61 | 000000 | ||
| 1,000 | -40 to 300 | 6 1/4" | 3/8" | ±0.1% | 3 | IP68, IP69K | EN 60751 Class A | 3866K71 | 000000 | ||
| 1,000 | -40 to 300 | 10 1/4" | 1/4" | ±0.1% | 3 | IP68, IP69K | EN 60751 Class A | 3866K64 | 000000 | ||
| 1,000 | -40 to 300 | 10 1/4" | 3/8" | ±0.1% | 3 | IP68, IP69K | EN 60751 Class A | 3866K54 | 000000 | ||
| 1,000 | -40 to 300 | 14 1/8" | 1/4" | ±0.1% | 3 | IP68, IP69K | EN 60751 Class A | 3866K66 | 000000 | ||
| 1,000 | -40 to 300 | 14 1/8" | 3/8" | ±0.1% | 3 | IP68, IP69K | EN 60751 Class A | 3866K73 | 000000 | ||
| 1,000 | -40 to 300 | 22" | 3/8" | ±0.1% | 3 | IP68, IP69K | EN 60751 Class A | 3866K58 | 000000 | ||
RTDs with Cable
Probe | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
RTD Probe Resistance, ohm | Temp. Range, ° F | Lg. | Dia. | Accuracy | Response Time, sec. | Cable Lg., ft. | Max. Cable Temp., ° F | Enclosure Rating | Specs. Met | Each | |||
4-Pin M12 Plug-In Connection—316 Stainless Steel Probe | |||||||||||||
| 100 | -145 to 1,110 | 3 7/8" | 1/4" | ±0.1% | 34 | 6.5 | 480 | IP67 | EN 60751 Class A | 3866K32 | 0000000 | ||
| 100 | -145 to 1,110 | 5 7/8" | 1/4" | ±0.1% | 34 | 6.5 | 480 | IP67 | EN 60751 Class A | 3866K39 | 000000 | ||
| 100 | -145 to 1,110 | 7 7/8" | 1/4" | ±0.1% | 34 | 6.5 | 480 | IP67 | EN 60751 Class A | 3866K42 | 000000 | ||
| 100 | -145 to 1,110 | 7 7/8" | 1/4" | ±0.1% | 34 | 32 | 480 | IP67 | EN 60751 Class A | 3866K46 | 000000 | ||
| 100 | -145 to 1,110 | 9 7/8" | 1/4" | ±0.1% | 34 | 6.5 | 480 | IP67 | EN 60751 Class A | 3866K41 | 000000 | ||
| 1,000 | -55 to 480 | 2" | 1/4" | ±0.1% | 37 | 0.5 | 480 | IP67 | EN 60751 Class A | 3866K35 | 000000 | ||
4-Pin M12 Plug-In Connection—316L Stainless Steel Probe | |||||||||||||
| 100 | -55 to 480 | 1 5/8" | 3/8" | ±0.1% | 39 | 6.5 | 480 | IP67 | EN 60751 Class A | 3866K36 | 000000 | ||
| 100 | -40 to 190 | 1 3/4" | 1/4" | ±0.1% | 10 | 6.5 | 190 | IP67 | EN 60751 Class A | 3866K33 | 000000 | ||
| 100 | -40 to 190 | 1 3/4" | 1/4" | ±0.1% | 10 | 16 | 190 | IP67 | EN 60751 Class A | 3866K34 | 000000 | ||
| 100 | -40 to 190 | 2" | 3/8" | ±0.1% | 25 | 6.5 | 190 | IP67 | EN 60751 Class A | 3866K37 | 000000 | ||
| 100 | -40 to 190 | 2" | 3/8" | ±0.1% | 25 | 16 | 190 | IP67 | EN 60751 Class A | 3866K38 | 000000 | ||
| 1,000 | -40 to 190 | 1 3/4" | 1/4" | ±0.1% | 10 | 6.5 | 190 | IP67 | EN 60751 Class A | 3866K45 | 000000 | ||
| 1,000 | -40 to 190 | 2" | 3/8" | ±0.1% | 25 | 6.5 | 190 | IP67 | EN 60751 Class A | 3866K31 | 000000 | ||
Bolt-On RTD Probes for Surfaces
![]() | ![]() |
Style A | Style B |
M12 Plug Connection
Probe | Cable | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Style | RTD Probe Resistance, ohm | Temp. Range, ° F | Bolt Hole Dia. | Lg. | Wd. | Thk. | Accuracy | Response Time, sec. | Max. Pressure | Lg., ft. | Material | Specs. Met | Each | |||
Stainless Steel Probe (IP67) | ||||||||||||||||
| A | 100 | -40 to 190 | 1/2" | 2" | 0.438" | 0.313" | ±0.5% | 15 | Not Rated | 6 | Polyurethane Rubber | EN 60751 Class A | 6577T41 | 0000000 | ||
Wire-Ferrule Connection
Probe | Cable | Wire | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Style | RTD Probe Resistance, ohm | Temp. Range, ° F | Bolt Hole Dia. | Lg. | Wd. | Thk. | Accuracy | Response Time, sec. | Max. Pressure | Lg., ft. | Material | Lead Lg. | AWG | No. of Wires | Wire Color | Specs. Met | Each | |||
Stainless Steel Probe (IP67) | ||||||||||||||||||||
| B | 100 | -40 to 190 | 1/4" | 1 13/16" | 0.438" | 0.313" | ±0.5% | 39 | Not Rated | 6 | Polyurethane Rubber | 1" | 22 | 4 | Brown/Blue/Black/White | EN 60751 Class A | 6577T47 | 000000 | ||
Adhesive-Back RTD Probes for Surfaces
Wire-Lead Connection
Probe | Cable | Wire | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
RTD Probe Resistance, ohm | Temp. Range, ° F | Lg. | Wd. | Thk. | Accuracy | Response Time, sec. | Max. Pressure | Lg., ft. | Material | Lead Lg. | AWG | No. of Wires | Wire Color | Specs. Met | Mil. Spec. | Each | |||
Platinum Probe | |||||||||||||||||||
| 100 | -4 to 300 | 9/16" | 0.188" | 0.063" | ±0.12% | 1.3 | Not Rated | 3 | Silicone Rubber | 1/2" | 28 | 3 | Red/White | EN 60751 Class B | MIL-STD-108 | 6568T51 | 000000 | ||
| 1,000 | -4 to 300 | 9/16" | 0.188" | 0.063" | ±0.12% | 1.3 | Not Rated | 3 | Silicone Rubber | 1/2" | 28 | 3 | Red/White | — | MIL-STD-108 | 6568T52 | 00000 | ||
Threaded RTD Probes for Surfaces
![]() | ![]() |
Style A | Style B |
M12 Plug Connection
Probe | Cable | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Style | RTD Probe Resistance, ohm | Temp. Range, ° F | Thread Size | Lg. | Wd. | Thk. | Accuracy | Response Time, sec. | Max. Pressure | Lg., ft. | Material | Specs. Met | Each | |||
Stainless Steel Probe (IP67) | ||||||||||||||||
| A | 100 | -40 to 190 | M5 × 0.8 mm | 15/16" | 0.313" | 0.188" | ±0.5% | 8 | Not Rated | 6 | Polyurethane Rubber | EN 60751 Class A | 6577T45 | 0000000 | ||
| A | 100 | -40 to 190 | M6 × 1 mm | 15/16" | 0.313" | 0.188" | ±0.5% | 9 | Not Rated | 6 | Polyurethane Rubber | EN 60751 Class A | 6577T44 | 000000 | ||
| A | 100 | -20 to 350 | M5 × 0.8 mm | 15/16" | 0.313" | 0.188" | ±0.5% | 8 | Not Rated | 6 | Silicone Rubber | EN 60751 Class A | 6577T42 | 000000 | ||
| A | 100 | -20 to 350 | M6 × 1 mm | 15/16" | 0.313" | 0.188" | ±0.5% | 8 | Not Rated | 6 | Silicone Rubber | EN 60751 Class A | 6577T43 | 000000 | ||
Wire-Ferrule Connection
Probe | Cable | Wire | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Style | RTD Probe Resistance, ohm | Temp. Range, ° F | Thread Size | Lg. | Wd. | Thk. | Accuracy | Response Time, sec. | Max. Pressure | Lg., ft. | Material | Lead Lg. | AWG | No. of Wires | Wire Color | Specs. Met | Each | |||
Stainless Steel Probe (IP67) | ||||||||||||||||||||
| B | 100 | -20 to 300 | M12 × 1.5 mm | 1 3/16" | 0.375" | 0.688" | ±0.5% | 12 | Not Rated | 16 | Silicone Rubber | 1" | 22 | 4 | Red/White | EN 60751 Class A | 6577T46 | 0000000 | ||
Threaded RTD Probe Transmitters for Liquids and Gas
4-Pole M12 Plug-In Connection
Probe | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
RTD Probe Resistance, ohm | Lg. | Dia. | Accuracy | Response Time, sec. | Probe Connection Pipe Size | Voltage, V DC | Max. Pressure, psi | Output Analog Signal | Control 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 mA to 20 mA | 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 mA to 20 mA | 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 mA to 20 mA | 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 mA to 20 mA | IO-Link | 8 7/8" | 316L Stainless Steel | 0 to 300 | 6467T54 | 000000 | ||
Threaded RTD Probe Transmitters with Digital Display for Liquids and Gas
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 | Control Communication Protocol | Digital Signal | No. of | Analog Signal | Digital Signal | 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 mA to 20 mA | 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 mA to 20 mA | 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 mA to 20 mA | 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 mA to 20 mA | 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 mA to 20 mA | 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 mA to 20 mA | NPN/PNP | 9 1/2" | 316L Stainless Steel | Platinum | EN 60751 Class A | 18 to 32 | 6912N14 | 000000 | ||
RTD Transmitters
Thread In
For RTD Probe Resistance, ohm | Temp. Range, ° F | Dia. | Dp. | Voltage, V DC | Output Analog Signal | Control Communication Protocol | Housing Material | Enclosure Rating | Each | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
4-Pole M12 | ||||||||||||
| 100/1,000 | -55 to 300 | 3/4" | 2" | 20 to 32 | 4 mA to 20 mA | IO-Link | Plastic | IP67 | 38875K91 | 0000000 | ||
| 100/1,000 | 32 to 212 | 3/4" | 2" | 18 to 32 | 0V DC to 10V DC | IO-Link | Plastic | IP67 | 38875K94 | 000000 | ||
| 100/1,000 | 32 to 212 | 3/4" | 2" | 20 to 32 | 4 mA to 20 mA | IO-Link | Plastic | IP67 | 38875K92 | 000000 | ||




































