Table:
| Graduation | Accuracy | Junction Box Specification | Junction Box Material | Protective Tube OD (mm) | Protective Tube Material | Thread Size |
|---|---|---|---|---|---|---|
| K | I | KNC-0 wire entry G1/2″ | Cast Aluminum | 6.0 | SUS304 | M27×2.0 |
| N | – | – | – | 8.0 | – | M16×1.5 |
| E | – | – | Bakelite | 10.0 | SUS316L | M12×1.0 |
| J | II | KSC-0 wire entry G3/8″ | Stainless Steel | 12.0 | SUS310S | PT1/2″ |
| T | – | – | – | 16.0 | – | PT1/4″ |
Text Description:
The product line includes various thermocouple types with the following configurations:
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Type K (Class I):
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Junction Box: KNC-0 with G1/2″ wire entry, cast aluminum
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Protective Tube: 6.0mm OD, SUS304 stainless steel
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Thread: M27×2.0 metric
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Type N:
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Protective Tube: 8.0mm OD (material not specified)
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Thread: M16×1.5 metric
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Type E:
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Junction Box: Bakelite material
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Protective Tube: 10.0mm OD, SUS316L stainless steel
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Thread: M12×1.0 metric
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Type J (Class II):
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Junction Box: KSC-0 with G3/8″ wire entry, stainless steel
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Protective Tube: 12.0mm OD, SUS310S stainless steel
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Thread: PT1/2″ pipe thread
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Type T:
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Protective Tube: 16.0mm OD (material not specified)
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Thread: PT1/4″ pipe thread
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Key Features:
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Two accuracy classes specified: Class I (Type K) and Class II (Type J)
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Progressive protective tube sizes from 6.0mm to 16.0mm OD
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Mix of metric threads (M27×2.0 to M12×1.0) and pipe threads (PT1/2″, PT1/4″)
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High-grade stainless steel tubes (SUS304, SUS316L, SUS310S) for certain models
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Bakelite junction box for Type E provides electrical insulation
