{
 "version": "2026-10-20",
 "license": "Dimension sheets are written by Xem Studio from the cited sources and are free to use (CC BY 4.0, attribute 'Xem Studio'). Linked files belong to their publishers under the license shown; Xem Studio does not host them. 'license_verified: false' means the license shown is from memory or the publisher's page as last read and should be confirmed at the link before commercial use.",
 "slug": "tri-clamp-dial-thermometers",
 "name": "Tri-clamp dial thermometers (envelope): 3 and 5 in dial, ¼ in stem 2½ to 12 in, 1½ in clamp",
 "kind": "hardware",
 "category": "Hardware",
 "group": "Sanitary clamp fittings",
 "year": null,
 "question": "How long a stem does a tri-clamp thermometer need?",
 "tags": [
  "thermometer",
  "dial",
  "bimetal",
  "temperature",
  "sanitary",
  "tri-clamp",
  "clamp fitting",
  "brewing",
  "homebrew"
 ],
 "aliases": [
  "tri clamp thermometer",
  "sanitary thermometer 1.5 tri clamp",
  "brewing thermometer tri clamp",
  "temperature stick tri clamp"
 ],
 "overall_mm": {
  "length": null,
  "width": null,
  "height": null
 },
 "official_cad": false,
 "xem_status": "free-files",
 "les": false,
 "free_files": 10,
 "url": "https://xemstudio.com/objects/tri-clamp-dial-thermometers/",
 "sheet_txt": "https://xemstudio.com/objects/tri-clamp-dial-thermometers/sheet.txt",
 "sheet": {
  "basis": "Envelope drawn by Xem Studio: the standard 1–1½ in solid cap, a ¼ in (6.35) stem, a 12 × 20 neck and a back-connected case at the nominal dial size + 6 mm; check a real thermometer's case before designing tight around it",
  "overall_mm": {
   "length": null,
   "width": null,
   "height": null
  },
  "notes": [
   "Sanitary dial thermometers with a clamp face: a space model for planning a lid or a stand around one, or a dummy to print. Stem length is from the clamp face to the tip.",
   "Every clamp face is the ISO 2852 profile used across this site: 2.85 mm rim, flat face with the gasket groove (K 1.6 deep, R3 1.2 bottom, 23° walls, P2 0.8 edges) on C2, 20° back cone. Flange C3 / groove C2 / tube OD × wall, mm: ½–¾ in 25.0 / 20.4 (derived) / 12.7–19.05 × 1.65; 1–1½ in 50.5 / 43.5 / 25.4–38.1 × 1.65; 2 in 64.0 / 56.5 / 50.8 × 1.65; 2½ in 77.5 / 70.5 / 63.5 × 1.65; 3 in 91.0 / 83.5 / 76.2 × 1.65; 4 in 119.0 / 110.0 / 101.6 × 2.11; 6 in 166.9 (6.570 in) / 156.5 / 152.4 × 2.77; 8 in 217.7 (8.570 in) / 207.0 / 203.2 × 2.77; 10 in 268.5 / 261.0 / 254.0 × 3.40; 12 in 319.3 / 311.8 / 304.8 × 3.40."
  ],
  "table": {
   "columns": [
    "dial_in",
    "stem_in",
    "stem_mm",
    "stem_od_mm",
    "case_od_mm"
   ],
   "rows": [
    [
     3,
     2.5,
     63.5,
     6.35,
     82.2
    ],
    [
     3,
     4,
     101.6,
     6.35,
     82.2
    ],
    [
     3,
     6,
     152.4,
     6.35,
     82.2
    ],
    [
     3,
     9,
     228.6,
     6.35,
     82.2
    ],
    [
     3,
     12,
     304.8,
     6.35,
     82.2
    ],
    [
     5,
     2.5,
     63.5,
     6.35,
     133
    ],
    [
     5,
     4,
     101.6,
     6.35,
     133
    ],
    [
     5,
     6,
     152.4,
     6.35,
     133
    ],
    [
     5,
     9,
     228.6,
     6.35,
     133
    ],
    [
     5,
     12,
     304.8,
     6.35,
     133
    ]
   ]
  }
 },
 "sheet_text": "Tri-clamp dial thermometers (envelope): 3 and 5 in dial, ¼ in stem 2½ to 12 in, 1½ in clamp — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/tri-clamp-dial-thermometers/  (CC BY 4.0)\nBasis: Envelope drawn by Xem Studio: the standard 1–1½ in solid cap, a ¼ in (6.35) stem, a 12 × 20 neck and a back-connected case at the nominal dial size + 6 mm; check a real thermometer's case before designing tight around it\nCatalog version: 2026-10-20\n\nSizes: see table below\n- Sanitary dial thermometers with a clamp face: a space model for planning a lid or a stand around one, or a dummy to print. Stem length is from the clamp face to the tip.\n- Every clamp face is the ISO 2852 profile used across this site: 2.85 mm rim, flat face with the gasket groove (K 1.6 deep, R3 1.2 bottom, 23° walls, P2 0.8 edges) on C2, 20° back cone. Flange C3 / groove C2 / tube OD × wall, mm: ½–¾ in 25.0 / 20.4 (derived) / 12.7–19.05 × 1.65; 1–1½ in 50.5 / 43.5 / 25.4–38.1 × 1.65; 2 in 64.0 / 56.5 / 50.8 × 1.65; 2½ in 77.5 / 70.5 / 63.5 × 1.65; 3 in 91.0 / 83.5 / 76.2 × 1.65; 4 in 119.0 / 110.0 / 101.6 × 2.11; 6 in 166.9 (6.570 in) / 156.5 / 152.4 × 2.77; 8 in 217.7 (8.570 in) / 207.0 / 203.2 × 2.77; 10 in 268.5 / 261.0 / 254.0 × 3.40; 12 in 319.3 / 311.8 / 304.8 × 3.40.\n\ndial_in  stem_in  stem_mm  stem_od_mm  case_od_mm\n3  2.5  63.5  6.35  82.2\n3  4  101.6  6.35  82.2\n3  6  152.4  6.35  82.2\n3  9  228.6  6.35  82.2\n3  12  304.8  6.35  82.2\n5  2.5  63.5  6.35  133.0\n5  4  101.6  6.35  133.0\n5  6  152.4  6.35  133.0\n5  9  228.6  6.35  133.0\n5  12  304.8  6.35  133.0\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- GW Kent: Tri-clamp fittings guide: tube OD, flange OD and ID per size to 12 in; solid cap thickness — web — publisher's guide; dimensions cited — https://www.gwkent.com/triclamp-guide\n- Rubber Fab: Tri-Clamp gasket dimensional chart: gasket ID, OD and bead diameter per size (2 in bead 2.22 in / 56.50 mm, 1.5 in 1.71 / 43.50, 3 in 3.29 / 83.50) — PDF — maker chart; dimensions are facts [verify license at link] — https://shop.andersonprocess.com/media/assets/product/documents/rubber-fab-tri-clamp-dimensions.pdf\n\nFree files (CC BY 4.0, Xem Studio; STEP + STL, 10 parts): https://xemstudio.com/files/hardware/tri-clamp-dial-thermometers/index.json\nAPI: https://xemstudio.com/api/geometry?object=tri-clamp-dial-thermometers\n",
 "sources": [
  {
   "publisher": "GW Kent",
   "title": "Tri-clamp fittings guide: tube OD, flange OD and ID per size to 12 in; solid cap thickness",
   "url": "https://www.gwkent.com/triclamp-guide",
   "formats": [
    "web"
   ],
   "license": "publisher's guide; dimensions cited",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "Rubber Fab",
   "title": "Tri-Clamp gasket dimensional chart: gasket ID, OD and bead diameter per size (2 in bead 2.22 in / 56.50 mm, 1.5 in 1.71 / 43.50, 3 in 3.29 / 83.50)",
   "url": "https://shop.andersonprocess.com/media/assets/product/documents/rubber-fab-tri-clamp-dimensions.pdf",
   "formats": [
    "PDF"
   ],
   "license": "maker chart; dimensions are facts",
   "license_verified": false,
   "hosted": false
  }
 ],
 "xem": {
  "status": "free-files",
  "sheet_free": true,
  "mesh_price_usd": null,
  "step_price_usd": null,
  "tolerance_mm": null
 },
 "related": [
  "tri-clamp-thermowells",
  "tri-clamp-ported-end-caps"
 ],
 "fits": [],
 "dimensions": "exact (nominal, no printing tolerance)",
 "dimension_rule": "All geometry on Xem Studio is exact (nominal, true size) with no printing tolerance. Where a part meets another part, the object lists its mating features (feature, exact size, what it mates with, fit class: press, slide, run, socket, clamp or designed). Apply your process's allowance to those features only; 'designed' gaps are part of the design and stay as drawn.",
 "mating": [],
 "faq": [
  {
   "q": "Thermometer or thermowell?",
   "a": "A thermometer with a clamp face touches the liquid; a thermowell keeps any ¼ in stem dry and lets you swap probes without opening the vessel."
  }
 ],
 "files_license": null,
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   "note": "3 in dial thermometer envelope on a 1–1½ in clamp: ¼ in stem 2.5 in below the face, case Ø82.2, top 56.4 above the face"
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   "note": "3 in dial thermometer envelope on a 1–1½ in clamp: ¼ in stem 4 in below the face, case Ø82.2, top 56.4 above the face"
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 "markdown": "https://xemstudio.com/objects/tri-clamp-dial-thermometers/index.md"
}