A new generation AHRS has arrived

Orientus is not recommended for new designs. Certus Mini A now available.

View Specifications

Orientus (NRND)

Orientus is a miniature IMU and AHRS that provides accurate orientation under the most demanding conditions.

Roll & Pitch

0.2 °


Heading (Magnetic)

0.8 °


Bias Instability

3 °/hr


Update Rate

1000 Hz

Orientus combines temperature-calibrated accelerometers, gyroscopes, and magnetometers with a sophisticated fusion algorithm to deliver accurate and reliable orientation. It is available in both OEM and rugged packages.

OEM Available Icon

Key Dates for Product End of Life Program

Sep 25, 2024: Not recommended for new design (NRND) – Notification period.

Dec 31, 2025: Last Time Buy (LTB) – Last date to place final orders for Orientus.

Mar 31, 2026: Last Time Ship (LTS) – Final manufacturing run and delivery.

Dec 31, 2026: End of Support – Engineering and technical support ends.

Roll & Pitch Accuracy (Static)
0.2 °
Heading Accuracy (Static)
0.8 °
Roll & Pitch Accuracy (Dynamic)
0.6 °
Heading Accuracy (Dynamic)
1.0 °
Orientation Range
Unlimited
Internal Filter Rate
1000 Hz
Output Data Rate
Up to 1000 Hz
Latency
0.3 ms

Accelerometers

Range
±2 g • ±4 g • ±16 g
Bias Instability
20 ug
Initial Bias
< 5 mg
Initial Scaling Error
< 0.06 %
Scale Factor Stability
< 0.06 %
Non-linearity
< 0.05 %
Cross-axis Alignment Error
< 0.05 °
Noise Density
100 ug/√Hz
Bandwidth
400 Hz

Gyroscopes

Range
±250 °/s • ±500 °/s • ±2000 °/s
Bias Instability
3 °/hr
Initial Bias
< 0.2 °/s
Initial Scaling Error
< 0.04 %
Scale Factor Stability
< 0.05 %
Non-linearity
< 0.05 %
Cross-axis Alignment Error
< 0.05 °
Noise Density
0.004 °/s/√Hz
Bandwidth
400 Hz

Magnetometers

Range
±2 G • ±4 G • ±8 G
Initial Scaling Error
< 0.07 %
Scale Factor Stability
< 0.09 %
Non-linearity
< 0.08 %
Cross-axis Alignment Error
< 0.05 °
Noise Density
210 uG/√Hz
Bandwidth
110 Hz

Interface
RS232
Speed
4800 to 1M baud
Protocol
AN Packet Protocol, NMEA or TSS
Peripheral Interface
2x GPIO and Auxiliary RS232
GPIO Level
5 V
GPIO Functions
NMEA input/output • Novatel input • AN Packet Protocol input/output • Magnetometers disable • Set zero orientation • Packet trigger u-blox input • TSS output • Custom (contact us)

Operating Voltage
4 to 36 V
Input Protection
±60 V
Power Consumption
0.325 W
Operating Temperature
-40 °C to 85 °C
Environmental Protection (Enclosed)
IP67 / MIL-STD-810G
MTBF
380,000 hrs
Shock Limit
2000 g
Dimensions (excluding tabs)
30 x 30 x 24 mm
Dimensions (including tabs)
30 x 40.6 x 24 mm
Weight
25 grams

Downloads

Datasheet

Version 3.1

28 Sep 2021

Reference Manual

Version 1.6

14 Nov 2023

OEM Reference Manual

Version 1.2

07 Aug 2025

OEM Development Kit Manual

Version 1.0

11 Aug 2025

3D Model

Version 2.1

25 Feb 2015

INS Manager – Desktop

Version 8.0

04 Dec 2025

INS Manager – Deskop is used for testing, configuration, firmware management and logging with Advanced Navigation’s INS devices.  Java 11 is required to run INS Manager – DesktopAdoptium JRE 11 is the recommended Java installer. Refer to respective INS Manuals for the user guide.

Orientus Firmware

Version 5.6

27 Jul 2021

The latest firmware for version 3.0 and later Orientus hardware. This can be loaded onto Orientus using the Orientus Manager software.

Version 1.5

25 May 2018

The latest firmware for pre-version 3.0 Orientus hardware. This can be loaded onto Orientus using the Orientus Manager software.

Orientus SDK

Version 7.3

28 Aug 2024

The Orientus SDK provides example source code for interfacing with Orientus through the AN Packet Protocol. The languages provided are C/C++, Java, and .Net C#.