STIM277H

High-accuracy tactical-grade STIM277 Inertial Measurement Unit

STIM277H is a small, tactical grade, affordable, robust and reliable, ultra high performance (Bias Stability 0.3°/h, ARW 0.15°/√h) 3 axis MEMS gyro module built into a hermetic package. The package is a hermetic aluminum enclosure with a glass-to-metal sealed electrical micro-d connector and a laser-welded lid to secure long-term hermetic operation. All parts are tested for fine and gross leak to conform to MIL-STD-883J, Class H.

Safran Sensing Technologies Norway

Horten, NO

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Description

An integrated 32-bit microcontroller enables flexible user configuration. Electronic axis alignment is standard.

Performance

Each axis is factory calibrated for bias, sensitivity and compensated for temperature effects to provide high-accuracy measurements. The unit runs off a single +5V supply and communicates via a RS422 interface. The use of a 32-bit RISC ARM microcontroller provides flexibility in the configuration, like choice of output unit, sampling frequency, LP filter -3dB frequency and RS422 bit-rate and protocol parameters. For more advanced users, STIM277H may be put in Service Mode. In this mode all the configuration parameters can be temporarily or permanently changed by overwriting the current settings in the flash memory. Service Mode also provides the ability to perform single measurements, perform diagnostics and obtain a higher detail in the status byte.

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Specifications

Physical Properties: Width [m]

0.0448

Length [m]

0.0386

Height [m]

0.0215

Housing material

Aluminium, Alloy 6082-T6, DIN EN 754-2

Weight {kg}

0.052

General: Area of Application

Navigation Stabilization Industrial Agriculture Aerospace Maritime Subsea Defense

Field of Use

STIM210 applications are typically foundwithin Industrial, Aerospace and Defensemarkets, for various platformstabilizations, pointing and navigationsystems (e.g. antennas, cameras andgimbals), attitude heading referencesystems (AHRSs), inertial navigationsystems (INSs) for UAVs, AUVs, AGVs,UGVs and ROVs, smart munitions, 3Dmapping systems, range finders, trains,robotics, and more.

Languages Supported

English

Hardware/software requirements: Dedicated software

N

Processor (CPU)

Dual core processor recommended

More information: More information

Each axis is factory-calibrated for bias, sensitivity and compensated for temperature effects to provide high-accuracy measurements. The unit runs off a single +5V supply and communicates via a "plug & play" high-level RS422 interface. The use of a 32-bit RISC ARM microcontroller provides flexibility in the configuration, like choice of output unit, sampling frequency, LP filter -3dB frequency and RS422 bit-rate and protocol parameters.

Distinguishable features

Miniature package. ITAR free. Excellent performance in vibration and shock. Excellent environmental robustness. 1, 2 or 3 axes offered in same package. Electronically calibrated axis alignment. Plug & play high-level RS422 interface. 24 bits resolution. Single-crystal silicon technology. Low bias drift. Low noise. Fully configurable:- 5 different sampling rates available - 5 different bandwidths available - LP filter -3dB frequency can be set individually for each axis- RS422 protocol, bit rate and line termination- Selectable output unit: angular rate [deg/s] or incremental angle [deg]Continuous self-diagnostics

Performance: Operating temperature: min. [°C]

-40

Operating temperature: max. [°C]

85

Angle Random Walk (25°C)

0.15 °/√h

Bias Offset

9 °/h

Bias Instability (constant temp)

0.3 °/s

Scale-Factor Non-Linearity (max rate, 25°C)

50 ppm

Scale-Factor Full Temp (≤ 1 °C/min)

500 ppm

Shock Survivability

1500g,0.5ms half sine. Any direction(MIL STD-883G)

Heading specifications: Accuracy

500 ppm

Resolution

24 bits

Angular rate range

±400 °/s

Settling time

1 s

Band width

262 Hz

Type of sensor

MEMS