{
  "type": "product",
  "id": "inertial-labs-viavi-mru-b2",
  "url": "https://www.nomyparts.com/companies/inertial-labs-viavi/products/mru-b2/",
  "name": "MRU-B2",
  "fullName": "MRU-B2 motion reference unit",
  "manufacturer": {
    "id": "inertial-labs-viavi",
    "name": "Inertial Labs (VIAVI)",
    "url": "https://www.nomyparts.com/companies/inertial-labs-viavi/"
  },
  "category": {
    "id": "sensors",
    "name": "Sensors"
  },
  "subcategory": {
    "id": "imus",
    "name": "IMUs"
  },
  "description": "The MRU-B2 is an IP67-sealed MEMS strap-down motion reference unit that outputs heave, surge, sway, pitch and roll for marine and hydrographic platforms. It weighs 220 g and has a user-settable output rate of up to 200 Hz.",
  "manufacturerPage": "https://inertiallabs.com/products/mru-ws-motion-reference-units-and-wave-sensors/",
  "certifications": [
    "IEC 60945/EN 60945",
    "ABS Design Assessed"
  ],
  "specifications": [
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      "id": "grade",
      "name": "Grade",
      "sources": [],
      "verified": null,
      "value": "Professional"
    },
    {
      "id": "market",
      "name": "Market",
      "sources": [],
      "verified": null,
      "value": "Dual-use"
    },
    {
      "id": "platform-class",
      "name": "Platform class",
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        "https://inertiallabs.com/inertial-labs-inc/technical-support/",
        "https://inertiallabs.com/wp-content/uploads/2023/03/MRU_Datasheet_rev-3.5_Mar_2023.pdf"
      ],
      "verified": "2026-11-04",
      "value": [
        "Marine"
      ]
    },
    {
      "id": "airframe",
      "name": "Airframe",
      "sources": [],
      "verified": null,
      "value": [
        "Any"
      ]
    },
    {
      "id": "availability",
      "name": "Availability",
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        "https://inertiallabs.com/inertial-labs-inc/technical-support/",
        "https://inertiallabs.com/wp-content/uploads/2023/03/MRU_Datasheet_rev-3.5_Mar_2023.pdf"
      ],
      "verified": "2026-11-04",
      "value": "In production"
    },
    {
      "id": "mass",
      "name": "Mass",
      "sources": [
        "https://inertiallabs.com/products/mru-ws-motion-reference-units-and-wave-sensors/",
        "https://inertiallabs.com/inertial-labs-inc/technical-support/",
        "https://inertiallabs.com/wp-content/uploads/2023/03/MRU_Datasheet_rev-3.5_Mar_2023.pdf"
      ],
      "verified": "2026-11-04",
      "value": 220,
      "unit": "g",
      "si": {
        "value": 0.22,
        "unit": "kg"
      }
    },
    {
      "id": "dimensions",
      "name": "Dimensions (L × W × H, mm)",
      "sources": [
        "https://inertiallabs.com/products/mru-ws-motion-reference-units-and-wave-sensors/",
        "https://inertiallabs.com/inertial-labs-inc/technical-support/",
        "https://inertiallabs.com/wp-content/uploads/2023/03/MRU_Datasheet_rev-3.5_Mar_2023.pdf"
      ],
      "verified": "2026-11-04",
      "value": "120 x 50 x 53 mm"
    },
    {
      "id": "operating-temperature",
      "name": "Operating temperature",
      "sources": [
        "https://inertiallabs.com/products/mru-ws-motion-reference-units-and-wave-sensors/",
        "https://inertiallabs.com/inertial-labs-inc/technical-support/",
        "https://inertiallabs.com/wp-content/uploads/2023/03/MRU_Datasheet_rev-3.5_Mar_2023.pdf"
      ],
      "verified": "2026-11-04",
      "value": {
        "min": -40,
        "max": 70
      },
      "unit": "°C"
    },
    {
      "id": "waterproofness",
      "name": "Waterproofness (IP rating)",
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        "https://inertiallabs.com/inertial-labs-inc/technical-support/",
        "https://inertiallabs.com/wp-content/uploads/2023/03/MRU_Datasheet_rev-3.5_Mar_2023.pdf"
      ],
      "verified": "2026-11-04",
      "value": "IP67"
    },
    {
      "id": "gyro-bias-instability",
      "name": "Gyro bias instability",
      "sources": [
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        "https://inertiallabs.com/inertial-labs-inc/technical-support/",
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      ],
      "verified": "2026-11-04",
      "value": 1,
      "unit": "°/h"
    },
    {
      "id": "accelerometer-bias-instability",
      "name": "Accelerometer bias instability",
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      ],
      "verified": "2026-11-04",
      "value": 5,
      "unit": "µg",
      "si": {
        "value": 5e-9,
        "unit": "kg"
      }
    },
    {
      "id": "sensor-technology",
      "name": "Sensor technology",
      "sources": [
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        "https://inertiallabs.com/inertial-labs-inc/technical-support/",
        "https://inertiallabs.com/wp-content/uploads/2023/03/MRU_Datasheet_rev-3.5_Mar_2023.pdf"
      ],
      "verified": "2026-11-04",
      "value": "MEMS"
    },
    {
      "id": "output-rate",
      "name": "Output rate",
      "sources": [
        "https://inertiallabs.com/products/mru-ws-motion-reference-units-and-wave-sensors/",
        "https://inertiallabs.com/inertial-labs-inc/technical-support/",
        "https://inertiallabs.com/wp-content/uploads/2023/03/MRU_Datasheet_rev-3.5_Mar_2023.pdf"
      ],
      "verified": "2026-11-04",
      "value": 200,
      "unit": "Hz"
    },
    {
      "id": "gyro-range",
      "name": "Gyro range",
      "sources": [
        "https://inertiallabs.com/products/mru-ws-motion-reference-units-and-wave-sensors/",
        "https://inertiallabs.com/inertial-labs-inc/technical-support/",
        "https://inertiallabs.com/wp-content/uploads/2023/03/MRU_Datasheet_rev-3.5_Mar_2023.pdf"
      ],
      "verified": "2026-11-04",
      "value": 450,
      "unit": "°/s"
    },
    {
      "id": "accelerometer-range",
      "name": "Accelerometer range",
      "sources": [
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        "https://inertiallabs.com/inertial-labs-inc/technical-support/",
        "https://inertiallabs.com/wp-content/uploads/2023/03/MRU_Datasheet_rev-3.5_Mar_2023.pdf"
      ],
      "verified": "2026-11-04",
      "value": 8,
      "unit": "g",
      "si": {
        "value": 0.008,
        "unit": "kg"
      }
    },
    {
      "id": "integrated-gnss",
      "name": "Integrated GNSS",
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        "https://inertiallabs.com/inertial-labs-inc/technical-support/",
        "https://inertiallabs.com/wp-content/uploads/2023/03/MRU_Datasheet_rev-3.5_Mar_2023.pdf"
      ],
      "verified": "2026-11-04",
      "value": false
    },
    {
      "id": "heading-accuracy",
      "name": "Heading accuracy",
      "sources": [
        "https://inertiallabs.com/products/mru-ws-motion-reference-units-and-wave-sensors/"
      ],
      "verified": "2026-11-08",
      "value": 0.05,
      "unit": "°"
    },
    {
      "id": "power-consumption-typical",
      "name": "Power consumption (typical)",
      "sources": [
        "https://inertiallabs.com/products/mru-ws-motion-reference-units-and-wave-sensors/",
        "https://inertiallabs.com/inertial-labs-inc/technical-support/",
        "https://inertiallabs.com/wp-content/uploads/2023/03/MRU_Datasheet_rev-3.5_Mar_2023.pdf"
      ],
      "verified": "2026-11-04",
      "value": 1,
      "unit": "W"
    },
    {
      "id": "supply-voltage",
      "name": "Supply voltage",
      "sources": [
        "https://inertiallabs.com/products/mru-ws-motion-reference-units-and-wave-sensors/",
        "https://inertiallabs.com/inertial-labs-inc/technical-support/",
        "https://inertiallabs.com/wp-content/uploads/2023/03/MRU_Datasheet_rev-3.5_Mar_2023.pdf"
      ],
      "verified": "2026-11-04",
      "value": {
        "min": 9,
        "max": 36
      },
      "unit": "V"
    },
    {
      "id": "physical-interfaces",
      "name": "Physical interfaces",
      "sources": [
        "https://inertiallabs.com/products/mru-ws-motion-reference-units-and-wave-sensors/",
        "https://inertiallabs.com/inertial-labs-inc/technical-support/",
        "https://inertiallabs.com/wp-content/uploads/2023/03/MRU_Datasheet_rev-3.5_Mar_2023.pdf"
      ],
      "verified": "2026-11-04",
      "value": [
        "Ethernet",
        "RS-232",
        "RS-422",
        "CAN"
      ]
    },
    {
      "id": "protocols",
      "name": "Protocols",
      "sources": [
        "https://inertiallabs.com/products/mru-ws-motion-reference-units-and-wave-sensors/",
        "https://inertiallabs.com/inertial-labs-inc/technical-support/",
        "https://inertiallabs.com/wp-content/uploads/2023/03/MRU_Datasheet_rev-3.5_Mar_2023.pdf"
      ],
      "verified": "2026-11-04",
      "value": [
        "NMEA 0183",
        "Proprietary"
      ]
    }
  ],
  "sources": [
    {
      "url": "https://inertiallabs.com/products/mru-ws-motion-reference-units-and-wave-sensors/",
      "checked": "2026-11-08"
    },
    {
      "url": "https://inertiallabs.com/inertial-labs-inc/technical-support/",
      "checked": "2026-11-04"
    },
    {
      "url": "https://inertiallabs.com/wp-content/uploads/2023/03/MRU_Datasheet_rev-3.5_Mar_2023.pdf",
      "checked": "2026-11-04"
    }
  ],
  "updated": "2026-11-12",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "licenseName": "CC BY 4.0",
  "attribution": "Source: NomyParts, https://www.nomyparts.com/companies/inertial-labs-viavi/products/mru-b2/"
}