{
 "id": "ac-zeroerr-ecoder45",
 "name": "ZeroErr eCoder45 RS485 Absolute Magnetic Ring Encoder, 45 mm Bore",
 "subcategory": "magnetic-encoders",
 "brand": "ZeroErr",
 "mpn": "eCoder45",
 "summary": "Axial-reading off-axis ring + readhead absolute encoder from ZeroErr, 45 mm bore; a 2.5 mm thin ring with a 90° arc readhead for large hollow joint outputs, between the eCoder35 and eCoder65.",
 "maker": {
  "name": "ZeroErr (Beijing ZeroErr Technology)",
  "country": "CN",
  "role": "brand"
 },
 "made_in": "unknown",
 "specs": {
  "resolution_bits": {
   "label": "Resolution",
   "value": "up to 20 bit (series 17 to 21 bit options); 16 bit multiturn counter option",
   "num": 20,
   "unit": "bit"
  },
  "accuracy_deg": {
   "label": "Accuracy",
   "value": "max absolute tolerance <0.05° (retailer copy of ZeroErr table); repeatability ±5\"",
   "num": 0.05,
   "unit": "deg"
  },
  "max_speed_rpm": {
   "label": "Max speed",
   "value": "6,000 rpm",
   "num": 6000,
   "unit": "rpm"
  },
  "interface": {
   "label": "Interface",
   "value": "Asynchronous serial RS485 (8-pin connector)"
  },
  "form": {
   "label": "Form",
   "value": "off-axis ring kit: magnetic ring + readhead (90° arc readhead)"
  },
  "sensing": {
   "label": "Sensing",
   "value": "magnetic, axial reading (sensor type not stated)"
  },
  "supply_v": {
   "label": "Supply",
   "value": "4.7 V to 5.4 V (retailer copy of ZeroErr table)",
   "num": 5,
   "unit": "V"
  },
  "bore_mm": {
   "label": "Bore / ring ID",
   "value": "45 mm ring ID",
   "num": 45,
   "unit": "mm"
  },
  "od_mm": {
   "label": "Outer diameter",
   "value": "64 mm ring OD; readhead OD 75 mm",
   "num": 64,
   "unit": "mm"
  },
  "multiturn": {
   "label": "Multiturn",
   "value": "optional, battery-backed counter (3.6 V battery)"
  },
  "operating_temp": {
   "label": "Operating temp",
   "value": "-40 to +70 °C (ZeroErr page)"
  }
 },
 "price": [
  {
   "qty": 1,
   "usd": 250,
   "kind": "reported",
   "source": "https://aifitlab.com/products/zeroerr-ecoder45-magnetic-encoders",
   "as_of": "2026-10-30",
   "note": "single-turn RS485 variant, aifitlab (US reseller) price"
  },
  {
   "qty": 1,
   "usd": 270,
   "kind": "reported",
   "source": "https://aifitlab.com/products/zeroerr-ecoder45-magnetic-encoders",
   "as_of": "2026-10-30",
   "note": "multiturn RS485 variant without battery"
  }
 ],
 "moq": "unknown",
 "lead_time": "unknown",
 "hts": "unknown",
 "compliance": {
  "ndaa": "unknown",
  "blue_uas": "unknown",
  "fcc": "n/a",
  "notes": ""
 },
 "links": {
  "product": "https://en.zeroerr.cn/magnetic_encoders/ecoder45",
  "datasheet": "https://dl.zeroerr.cn/static/en/ZeroErr_eCoder_Manual_Ver2.6.pdf",
  "cad": null
 },
 "equivalents": [
  "ac-zeroerr-ecoder20",
  "ac-zeroerr-ecoder35"
 ],
 "pairs_with": [],
 "maglev": {
  "custom": "",
  "directory_ref": null
 },
 "sources": [
  {
   "url": "https://en.zeroerr.cn/magnetic_encoders/ecoder45",
   "what": "official product data: bore, OD, thickness, resolution, repeatability, speed, RS485, temp"
  },
  {
   "url": "https://aifitlab.com/products/zeroerr-ecoder45-magnetic-encoders",
   "what": "retailer: USD prices per variant, availability, accuracy/supply table, images"
  },
  {
   "url": "https://dl.zeroerr.cn/static/en/ZeroErr_eCoder_Manual_Ver2.6.pdf",
   "what": "eCoder manual"
  }
 ],
 "confidence": "VERIFIED",
 "stock": {
  "status": "in_stock",
  "source": "https://aifitlab.com/products/zeroerr-ecoder45-magnetic-encoders",
  "as_of": "2026-10-30",
  "note": "aifitlab variants marked available"
 },
 "category": "actuators",
 "subcategory_title": "Magnetic Encoders",
 "icon": "encoder",
 "image": {
  "url": "https://parts.trymaglev.com/img/ac-zeroerr-ecoder45.webp",
  "thumb": "https://parts.trymaglev.com/img/t/ac-zeroerr-ecoder45.webp",
  "source_image": "https://cdn.shopify.com/s/files/1/0673/6848/5000/files/ZeroErr-eCoder_45-NEW-main-2.jpg",
  "source_page": "https://aifitlab.com/products/zeroerr-ecoder45-magnetic-encoders",
  "background": "removed (Apple Vision)",
  "as_of": "2026-10-30"
 },
 "origin": {
  "code": "CN",
  "basis": "hq"
 },
 "hts_resolved": {
  "code": "9031.80.80.85",
  "typical": true,
  "key": "encoders",
  "basis": "subcategory",
  "confidence": "low",
  "note": "Resolvers/RVDTs: 8543.70.45 (CBP N360060). Encoder ICs sold alone go to 8542."
 },
 "us_duty_by_origin": {
  "as_of": "2026-10-29",
  "rates": [
   {
    "origin": "CN",
    "duty_pct": 37.5,
    "possible_pct": 0,
    "usmca": false
   },
   {
    "origin": "TW",
    "duty_pct": 10,
    "possible_pct": 0,
    "usmca": false
   },
   {
    "origin": "VN",
    "duty_pct": 12.5,
    "possible_pct": 0,
    "usmca": false
   },
   {
    "origin": "IN",
    "duty_pct": 10,
    "possible_pct": 0,
    "usmca": false
   },
   {
    "origin": "JP",
    "duty_pct": 12.5,
    "possible_pct": 0,
    "usmca": false
   },
   {
    "origin": "KR",
    "duty_pct": 12.5,
    "possible_pct": 0,
    "usmca": false
   },
   {
    "origin": "DE",
    "duty_pct": 10,
    "possible_pct": 0,
    "usmca": false
   },
   {
    "origin": "MX",
    "duty_pct": 10,
    "possible_pct": 0,
    "usmca": true
   },
   {
    "origin": "US",
    "duty_pct": 0,
    "possible_pct": 0,
    "usmca": false
   }
  ]
 },
 "url": "https://parts.trymaglev.com/p/ac-zeroerr-ecoder45/",
 "markdown": "https://parts.trymaglev.com/p/ac-zeroerr-ecoder45/index.md",
 "equivalents_detail": [
  {
   "id": "ac-zeroerr-ecoder20",
   "name": "ZeroErr eCoder20 RS485 Absolute Magnetic Ring Encoder, 20 mm Bore",
   "brand": "ZeroErr",
   "mpn": "eCoder20",
   "category": "actuators",
   "subcategory": "magnetic-encoders",
   "summary": "ZeroErr's 20 mm through-hole magnetic ring encoder with RS-485, single- or multi-turn, for mid-size joints that route cables through the axis.",
   "origin": "CN",
   "origin_basis": "hq",
   "price_usd": 180,
   "price_qty": 1,
   "ndaa": "unknown",
   "blue_uas": "unknown",
   "image": "https://parts.trymaglev.com/img/ac-zeroerr-ecoder20.webp",
   "url": "https://parts.trymaglev.com/p/ac-zeroerr-ecoder20/",
   "json": "https://parts.trymaglev.com/api/parts/ac-zeroerr-ecoder20.json"
  },
  {
   "id": "ac-zeroerr-ecoder35",
   "name": "ZeroErr eCoder35 RS485 Absolute Magnetic Ring Encoder, 35 mm Bore",
   "brand": "ZeroErr",
   "mpn": "eCoder35",
   "category": "actuators",
   "subcategory": "magnetic-encoders",
   "summary": "Large-bore (35 mm) ZeroErr ring encoder with a 150° arc readhead, up to 20-bit, for hollow-shaft arm and humanoid joints.",
   "origin": "CN",
   "origin_basis": "hq",
   "price_usd": 210,
   "price_qty": 1,
   "ndaa": "unknown",
   "blue_uas": "unknown",
   "image": "https://parts.trymaglev.com/img/ac-zeroerr-ecoder35.webp",
   "url": "https://parts.trymaglev.com/p/ac-zeroerr-ecoder35/",
   "json": "https://parts.trymaglev.com/api/parts/ac-zeroerr-ecoder35.json"
  }
 ],
 "pairs_with_detail": []
}