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Palmer Wahl WT_Series | Industrial Thermocouple Probes | Type J, K, T
The WT Series are Palmer Wahl's standard industrial thermocouple probes, built to order as Type J, K or T with a grounded or ungrounded tip. Five sensor styles cover standard, compression fitting, spring loaded and sanitary designs, with stem lengths from 1 to 72 in in 1/4 in steps. A connection head with terminal block or transmitter can be added to make a complete assembly, and special designs are available.
Key features
- Type J -40 to 750 °C, Type K -40 to 1000 °C, Type T -40 to 350 °C (WT1 to WT4)
- 1/2 in NPT process connections with optional 2, 4 or 6 in lagging extension
- WT3 compression fitting and WT4 spring loaded versions
- WT5 sanitary in 316 SS with 3-A 74-03 contact surfaces and 1.5 to 3 in flanges
- Stem diameters 1/8, 1/4 and 3/8 in (not every size on WT4 and WT5)
- Specifications
- Downloads
| Part Number | WT_Series |
| Brand | Palmer Wahl |
| Thermocouple Types | J (iron-constantan), K (chromel-alumel), T (copper-constantan) |
| Type J Range | -40 to 750 °C (-40 to 1382 °F) |
| Type K Range | -40 to 1000 °C (-40 to 1832 °F) |
| Type T Range | -40 to 350 °C (-40 to 662 °F) |
| WT5 Sanitary Range | Up to 204 °C |
| Junction | Grounded or ungrounded |
| Stem Diameters | 1/8, 1/4, 3/8 in |
| Stem Lengths | 1 to 72 in, 1/4 in steps |
| Process Connection | 1/2 x 1/2 in or 1/2 x 3/4 in NPT; lagging 2, 4, 6 in |
| Sanitary Flanges | 1.5, 2, 2.5, 3 in (WT5) |
| Sanitary Finish | 32 µin (0.8 µm) Ra or better |
| Connection Options | None, head with terminal block, or head with transmitter |
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