- Thermowells
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- Industrial thermowells
Thermowells for industrial applications
In the tables below, ifm industrial thermowells are listed along with the recommended ifm sensor or RTD for each. If using a third party temperature device or an ifm part number that is not listed in the table below, please use the selection guide on the Select products page as a reference tool to determine if your temperature sensor will work with your chosen thermowell.
| Thermowell process connection type | |
 |
Screw-in thermowell |
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Screw-in (G / BSPP thread) thermowell with M4 locking screw |
  |
Welding thermowell |
Common terminology
EL = Installation length of the thermowell which is how far the well will extend into the process once threaded into the process connection.
Process connection = thermowell’s external thread size or sanitary connection for mounting in the process.
Sensor connection = recommended process connection of the temperature sensor in order to adapt to the internal thread of the thermowell.
Design EL = recommended installation length of the temperature sensor probe that will be used with the thermowell.
NPT process connection
| Part no. | Installation length (EL, mm) | Process connection | Sensor connection | Design EL (mm) | Recommended sensor | ||
| Transmitter (4-20 mA) | RTD | ||||||
| Display | No display | ||||||
| UT0028 | 27 | 1/2" NPT | M18 x 1.5 | 45 | TNx511 | ||
| UT0022 | 88 | 1/2" NPT | 1/4" NPT Ø 6mm | 105 | TD224x (3) | TA224x (3) | TT12x1 (3) |
| UT0023 | 188 | 1/2" NPT | 1/4" NPT Ø 6mm | 205 | TD226x (3) | TA226x (3) | TT22x1 (3) |
| UT0024 | 288 | 1/2" NPT | 1/4" NPT Ø 6mm | 305 | TD229x (3) | TA229x (3) | TT32x1 (3) |
| UT0009 | 72 | 1/2" NPT | 1/2" NPT Ø 10mm | 100 | TT10xx (4) | ||
| UT0010 | 172 | 1/2" NPT | 1/2" NPT Ø 10mm | 200 | TT20xx (4) | ||
| UT0011 | 272 | 1/2" NPT | 1/2" NPT Ø 10mm | 300 | TT30xx (4) | ||
| UT0012 | 472 | 1/2" NPT | 1/2" NPT Ø 10mm | 500 | TT50xx (4) | ||
| E37210 | 74 | 1/2" NPT | 1/2" NPS Ø 6mm suitable for G 1/2 and 1/2" NPT | 100 | TD224x (2), TN2333 | TA2333 | TMx331, TT12x1 (2) |
| E37220 | 125 | 1/2" NPT | 1/2" NPS Ø 6mm suitable for G 1/2 and 1/2" NPT | 150 | TD225x (2), TN2343 | TA234x | |
| E37230 | 201 | 1/2" NPT | 1/2" NPS Ø 6mm suitable for G 1/2 and 1/2" NPT | 300 | TD226x (2) | TA226x (2) | TT22x1 (2) |
| E37250 | 277 | 1/2" NPT | 1/2" NPS Ø 6mm suitable for G 1/2 and 1/2" NPT | 350 | TD229x (2) | TA229x (2) | TT32x1 (2) |
| E37211 | 94 | 1/2" NPT | G 1/2 sealing cone Ø 6 mm | 100 | TD253x | TA253x | TM4531 |
| E37221 | 144 | 1/2" NPT | G 1/2 sealing cone Ø 6 mm | 150 | TD254x | TA254x | TM4541 |
In connection with adapter: (1) E30018 / E30047, (2) UT0042, (3) E30049, (4) E30024
G (BSPP) Process connection
| Part no. | Installation length (EL, mm) | Process connection | Sensor connection | Design EL (mm) | Recommended sensor | ||
| Transmitters (4-20 mA) | RTD | ||||||
| Display | No display | ||||||
| E37600 | 27 | G 1/2 | G 1/2 Ø 6 mm | 50 | TD223x (1), TN2415 | TA241x | TMx411, TT02x1 (1) |
| E37610 | 74 | G 1/2 | G 1/2 Ø 6 mm | 100 | TD224x (1), TN2435 | TA243x | TM4431, TT12x1 (1) |
| E37620 | 124 | G 1/2 | G 1/2 Ø 6 mm | 150 | TN2445 | TA244x | TM4441 |
| E37630 | 174 | G 1/2 | G 1/2 Ø 6 mm | 200 | |||
| E35010 | 82 | G 1/2 | G 1/2 sealing cone Ø 10 mm | 100 | TT10xx (1) | ||
| E35020 | 182 | G 1/2 | G 1/2 sealing cone Ø 10 mm | 200 | TT20xx (1) | ||
| E35030 | 282 | G 1/2 | G 1/2 sealing cone Ø 10 mm | 300 | TT30xx (1) | ||
| E35050 | 482 | G 1/2 | G 1/2 sealing cone Ø 10 mm | 500 | TT50xx (1) | ||
| E37603 | 33 | G 1/2 | Ø 6 mm* | 50 | TD221x | TA2212 | TT9281 |
| E37613 | 83 | G 1/2 | Ø 6 mm* | 100 | TD223x | TA2232 | TT02x1 |
| E37623 | 128 | G 1/2 | Ø 6 mm* | 150 | TD224x | TA224x | TT12x1 |
| E37643 | 233 | G 1/2 | Ø 6 mm* | 250 | TD226x | TA2262 | TT22x1 |
| E37663 | 333 | G 1/2 | Ø 6 mm* | 350 | TD229x | TA2292 | TT32x1 |
*M4 locking screw to clamp the Ø 6 mm probe into place.
In connection with adapter: (1) E30018 / E30047, (2) UT0042, (3) E30049, (4) E30024
Welding process connection
| Part no. | Installation length (EL, mm) | Process connection | Sensor connection | Design EL (mm) | Recommended sensor | ||
| Transmitters (4-20 mA) | RTD | ||||||
| Display | No display | ||||||
| E35210 | 73 | Welding Ø 30 mm | G 1/2 | 100 | |||
| E35220 | 173 | Welding Ø 30 mm | G 1/2 | 200 | |||
| UT0050 | 63.5 | Welding* | 1/2" NPS Ø 6mm suitable for G 1/2 and 1/2" NPT | 100 | TD224x (3) | TA2333 | |
| UT0051 | 114 | Welding* | 1/2" NPS Ø 6mm suitable for G 1/2 and 1/2" NPT | 150 | TD225x (2) | TA234x | |
| E38826 | 25 | Ingold Ø 25 mm | G 3/8 Internal thread Ø 3 mm | 83 | TA132x | ||
| UT0060 | 63.5** | Welding* | 1/2" NPS Ø 6mm suitable for G 1/2 and 1/2" NPT | 250 | |||
| UT0061 | 165** | Welding* | 1/2" NPS Ø 6mm suitable for G 1/2 and 1/2" NPT | 350 | |||
*Welding diameter varies depending on where you choose to weld the thermowell to the tank or pipe.
**Installation length varies depending on where you choose to weld the thermowell to the tank or pipe.
In connection with adapter: (1) E30018 / E30047, (2) UT0042, (3) E30049, (4) E30024
| Adapter | ||
Compression fittings |
E30047 | G 1/2 threads for temperature probes with 6 Ø |
| UT0042 | 1/2" NPT for temperature probes with 6 Ø | |
| E30024 | 1/2" NPT for temperature probes with 10 Ø | |
| E30049 | 1/4" NPT for temperature probes with 6 Ø | |
Clamp fitting |
E30018 | G 1/2 threads for temperature probes with 6, 8, or 10 mm Ø |