Sparton Navigation and Exploration Sparton AHRS-M2

Description

The Sparton AHRS-M2 is a micro-sized, light weight, low power Attitude Heading Reference System with a revolutionary built-in adaptive-calibration mode.

Specifications

General

• Year of last update

  2017
• Year of initial development

  2016
• System components

  Accelerometer(s), Gyroscope(s), Magnetometer(s), Temperature sensor
• Height [mm]

  9.1
• Width [mm]

  22.9
• Length [mm]

  38.4
• Weight [gr]

  12.3

Power Supply

• Min. Voltage (DC)

  4
• Max. Voltage (DC)

  10
• Power consumption [W]

  0.060

Environment

• Non-operating shock tolerance [g]

  5000
• Operating shock tolerance [g]

  5000
• Min. operating temperature [C]

  -40
• Max. operating temperature [C]

  85
• Splashproof casting

  Y
• Water resistant casting

  N
• Water resistance [m]

  0
• Casting and coating

  Encapsulated

Operational

• Max. rotation speed [deg/s]

  500
• Interface types

  Digital
• Interfaces

  RS-322, UART
• Start up time [s]

  1
• Output data formats

  RFS, NMEA, NorthTek
• Output frequency [ Hz ]

  100

Accuracy

• Heading static accuracy [ ° ]

  0.2
• Heading dynamic accuracy [ ° ]

  1.0
• Pitch and Roll static accuracy [ ° ]

  0.2
• Pitch and Roll dynamic accuracy [ ° ]

  1.0

Gyroscopes

• Num. of Gyroscopes

  3
• Range [± ° / sec]

  500
• Resolution [ ° / s ]

  0.04
• In-Run Bias Stability [ °/ hr]

  6.415
• Bandwidth [ Hz ]

  100
• Non-linearity [ % ]

  0.1
• Noise

  0.04
• Alignment Error [ ± ° ]

  0.05

Magnetometers

• Num. of Magnetometers

  3
• Range [ ± Gauss ]

  1.2
• In-Run Bias Stability [ nT ]

  0
• Bandwidth [ Hz ]

  100
• Non-linearity [ max % ]

  0.01
• Noise

  0.04

Pressure sensor

• Pressure sensor

  N

Additional specifications

• Distinguishable features

  The AHRS-M2 is a next generation AHRS that delivers industry-leading static heading accuracy and exclusive AdaptCal technology.
• Application

  Pan and tilt; 3D geospatial surveying; Towed acoustic arrays/streamers; Platform stabilization and orientation; Accurate attitude, position, and orientation sensing; Precision unmanned vehicle navigation; Antenna positioning

Accelerometers

• Num. of Accelerometers

  3
• Range [max g]

  4
• Resolution [mg]

  0.25
• In-Run Bias Stability [mg]

  0.07441
• Bandwidth [ Hz ]

  100
• Non-linearity [ % ]

  0.01
• Noise

  0.25
• Alignment Error [ ± ° ]

  0.05

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