Sparton AHRS-M2
Sparton Navigation and Exploration
DeLeon Springs, US
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
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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
-
Power Supply
-
Min. Voltage (DC)
4
Max. Voltage (DC)
10
Power consumption [W]
0.06
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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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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
-
Pressure sensor
-
Pressure sensor
N
-
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
-
General
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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
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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
-
Additional specifications
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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
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Accuracy
-
Heading static accuracy [ ° ]
0.2
Heading dynamic accuracy [ ° ]
1
Pitch and Roll static accuracy [ ° ]
0.2
Pitch and Roll dynamic accuracy [ ° ]
1
