UIMU-H58 Tactical Grade (RLG) Inertial Measurement Unit (IMU)

The UIMU-H58 contains Honeywell's HG1700, a tactical grade IMU containing Ring Laser Gyros (RLG) and Servo accelerometers. The UIMU-HG handles the power requirements of the IMU from a 12-28 VDC power input and provides the IMU data to a SPAN® enabled GNSS/INS receiver such as the ProPak-V3™ or SPAN-SE™ using a custom NovAtel interface. IMU measurements are used by the GNSS/ INS receiver to compute a blended GNSS/INS position, velocity and attitude solution at up to 100 Hz. The HG1700 is International Traffic in Arms Regulations (ITAR) controlled and requires export approval for customers outside the United States.


  • RLG and Servo accelerometers
  • 100 Hz data rate
  • Gyro performance of 1 degree/hour
  • ITAR controlled


  • Low noise and stable biases suited to ground and airborne survey
  • Complete assembly or individual components available
  • Economical with short delivery times
  • Easy integration with NovAtel's GNSS/INS receivers
  • Supported with industry's highest level of customer service


General Info

Length (mm)
Width/Diameter (mm)
Height (mm)
Weight (g)
Typical Power Consumption (W)

IMU Data Rate

100 Hz

Gyro Type

Ring Laser

IMU Info

ITAR Control


Gyro Bias In-run Stability (±deg/hr):
Gyro Bias Offset (deg/hr):
Gyro Angular Random Walk (deg/√hr):
Gyro Scale Factor (ppm):
Gyro Range (±deg/s):

Accelerometer Bias (mg):
Accelerometer Scale Factor (ppm):
Accelerometer Range (±g):



Exceptional Price/Performance Value

Honeywell's high production volume of HG1700 IMUs enables excellent tactical grade performance for an economical price with short delivery times. The UIMU-HG is available as a complete assembly including the IMU and environmentally sealed enclosure. For customers who already have the HG1700 IMU, the enclosure can be purchased separately and the IMU easily integrated inside.

Enhance System Accuracy

Take advantage of NovAtel CORRECT™ with RTK as well as support for satellite based augmentation systems such as SBAS to improve real time performance and accuracy. For the most demanding applications, our Inertial Explorer ® post-processing software from our Waypoint® Products Group can be used to post-process SPAN HG data to provide the highest level of accuracy with the system.


Economical, tactical grade OEM IMUs from HoneywellSPAN HG enclosure with HG1700 AG58 IMUHG1700 AG58 IMU without enclosure, formerly OEM-IMU-H58

General Info

Length (mm)195.00193.000.00
Width/Diameter (mm)168.00167.0093.98
Height (mm)146.00100.0073.66
Weight (g)4500.003400.00725.75
Typical Power Consumption (W)

IMU Data Rate

100 Hz

Gyro Type

Ring Laser

IMU Info

ITAR Control

Supporting Products

Other product categories which are required with this product to create a complete system.


GNSS receiver performance is dependent on your choice of antenna. We offer high performance, compact, low cost and ground reference station antennas. Our anti-jam antenna is available for military or homeland security applications

SPAN® on OEM6® Receivers

SPAN capable GNSS receivers including board level and board + enclosure products

Alternate Products

Other similar products which could be used instead of the product, depending on application.


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Stand-alone OEM IMU based on NovAtel's SPAN-CPT. Comprised of fiber-optic gyros and MEMS accelerometers


Small, Affordable MEMS IMU Pairs with SPAN Technology to Deliver 3D Position, Velocity and Attitude

TerraStar Correction Services

Correction services for scalable accuracy and seamless RTK assistance for land and airborne applications


Tactical Grade, Low Noise IMU Combines with NovAtel's GNSS Technology to Provide 3D Position, Velocity and Attitude Solution


Economical, tactical grade OEM IMUs from Honeywell

Optional Products

Optional products can be added to a system to add or enhance functionality.

TerraStar Correction Services

Correction services for scalable accuracy and seamless RTK assistance for land and airborne applications

Inertial Explorer®

Expands on the powerful features of GrafNav by adding support for loosely coupled and tightly coupled GNSS/INS processing