{
  "id": "emitters:induction-cooktop",
  "collection": "emitters",
  "slug": "induction-cooktop",
  "name": "Induction cooktop",
  "summary": "Induction hobs work by driving a 20–100 kHz coil, producing intermediate-frequency magnetic fields that are strong at the hob edge and fall off steeply — and that most consumer gaussmeters cannot measure because their bandwidth stops at 2 kHz.",
  "status": "provisional",
  "lastVerified": "2026-08-12",
  "data": {
    "aliases": [
      "induction hob",
      "induction stove"
    ],
    "category": "elf-magnetic",
    "environment": [
      "home",
      "workplace"
    ],
    "bands": [
      {
        "label": "Intermediate frequency (20–100 kHz)",
        "minHz": 20000,
        "maxHz": 100000
      }
    ],
    "dutyCycle": "Only while cooking, and only with a pan on the active zone.",
    "distanceProfile": [
      {
        "meters": 0.1,
        "value": {
          "quantity": "magnetic-flux-density",
          "unit": "µT",
          "value": 0,
          "basis": "measured",
          "note": "Levels at the hob edge depend strongly on pan size, pan centring and coil design, and are assessed against the ICNIRP intermediate-frequency reference level rather than the 50/60 Hz value. Model-specific measurement is required; no representative range is published here.",
          "sourceIds": [
            "icnirp-2010"
          ]
        }
      }
    ],
    "mitigations": [
      {
        "action": "Use pans that cover the full cooking zone and keep them centred.",
        "effect": "An uncovered coil area radiates more; correct pan sizing is the main design mitigation."
      },
      {
        "action": "Stand back from the hob while it runs rather than leaning over it.",
        "effect": "Intermediate-frequency fields fall off very steeply with distance from the coil."
      },
      {
        "action": "Use a meter rated to at least 100 kHz; a 2 kHz gaussmeter will read near zero at an induction hob.",
        "effect": "Avoids a false negative from an out-of-band instrument."
      }
    ],
    "measureWith": [
      "intermediate-frequency-meter"
    ],
    "related": [
      "quantities:magnetic-flux-density"
    ]
  },
  "sources": [
    {
      "id": "icnirp-2010",
      "title": "Guidelines for Limiting Exposure to Time-Varying Electric and Magnetic Fields (1 Hz to 100 kHz)",
      "publisher": "International Commission on Non-Ionizing Radiation Protection",
      "url": "https://www.icnirp.org/en/publications/article/lf-guidelines-2010.html",
      "year": 2010,
      "kind": "guideline",
      "retrieved": "2026-08-12"
    }
  ],
  "links": {
    "self": "https://emfbase.com/api/emitters/induction-cooktop",
    "html": "https://emfbase.com/emitters/induction-cooktop",
    "markdown": "https://emfbase.com/emitters/induction-cooktop.md",
    "collection": "https://emfbase.com/api/emitters"
  }
}