{
  "id": "instruments:trifield-tf2",
  "collection": "instruments",
  "slug": "trifield-tf2",
  "name": "TriField EMF Meter TF2",
  "summary": "Three-mode meter with a three-axis AC magnetic mode over 40 Hz – 100 kHz to 100 mG, a single-axis AC electric mode to 1,000 V/m, an RF mode over 20 MHz – 6 GHz to 19.999 mW/m², and a frequency-weighted setting that scales the LF readings by frequency.",
  "status": "verified",
  "lastVerified": "2026-08-12",
  "data": {
    "aliases": [
      "TF2",
      "TriField TF2",
      "Trifield meter"
    ],
    "manufacturer": "AlphaLab, Inc.",
    "model": "TF2",
    "instrumentClass": "elf-gaussmeter",
    "kind": "multi-field",
    "measures": [
      "magnetic-flux-density",
      "electric-field-strength",
      "power-density"
    ],
    "bands": [
      {
        "quantity": "magnetic-flux-density",
        "minHz": 40,
        "maxHz": 100000,
        "label": "AC magnetic: 40 Hz – 100 kHz"
      },
      {
        "quantity": "electric-field-strength",
        "minHz": 40,
        "maxHz": 100000,
        "label": "AC electric: 40 Hz – 100 kHz"
      },
      {
        "quantity": "power-density",
        "minHz": 20000000,
        "maxHz": 6000000000,
        "label": "RF: 20 MHz – 6 GHz"
      }
    ],
    "axes": "mixed",
    "ranges": [
      {
        "mode": "AC magnetic, three-axis",
        "range": "0.1 – 100.0 mG",
        "resolution": "0.1 mG"
      },
      {
        "mode": "AC electric, single-axis",
        "range": "1 – 1,000 V/m",
        "resolution": "1 V/m"
      },
      {
        "mode": "RF power density",
        "range": "0.001 – 19.999 mW/m²",
        "resolution": "0.001 mW/m²"
      }
    ],
    "calibration": "Manufacturer factory calibration; AlphaLab offers calibration as a service. No certificate is advertised with the meter.",
    "peakHold": true,
    "logging": false,
    "suitedTo": [
      "One instrument that covers all three field types for a walk-through of a home",
      "Three-axis magnetic readings that do not depend on how the meter is held",
      "Capturing pulsed digital signals with peak hold in RF mode"
    ],
    "cannotDo": [
      "The RF ceiling of 19.999 mW/m² is reached close to a strong transmitter, and the 6 GHz top end excludes 6 GHz Wi-Fi 6E/7 upper channels and mmWave 5G",
      "The magnetic mode tops out at 100 mG, below the field strength found next to some transformers and motors",
      "The electric-field mode is single-axis, unlike the magnetic mode",
      "The frequency-weighted setting is a body-current weighting, not the quantity exposure limits are expressed in: standard mode has to be used before comparing a reading with a limit in this dataset",
      "No frequency identification and no logging"
    ],
    "marketStatus": "current",
    "availability": {
      "vendor": "EMR Shielding Solutions",
      "url": "https://www.emrss.com/products/trifield-emf-meter-tf2",
      "relationship": "owned"
    },
    "related": [
      "meters:elf-gaussmeter",
      "meters:ac-electric-field-meter",
      "meters:broadband-rf-meter",
      "questions:which-emf-meter-should-i-buy"
    ]
  },
  "sources": [
    {
      "id": "alphalab-trifield-tf2",
      "title": "TriField EMF Meter model TF2 — specifications",
      "publisher": "AlphaLab, Inc.",
      "url": "https://www.alphalabinc.com/products/trifield-emf-meter-model-tf2/",
      "kind": "manufacturer",
      "retrieved": "2026-08-12"
    }
  ],
  "links": {
    "self": "https://emfbase.com/api/instruments/trifield-tf2",
    "html": "https://emfbase.com/instruments/trifield-tf2",
    "markdown": "https://emfbase.com/instruments/trifield-tf2.md",
    "collection": "https://emfbase.com/api/instruments"
  }
}