Tilt Compensated Compass Modules
First introduced in 1995, PNI has supported these tilt compensated compass modules (TCM) for over 20 years. We will continue to build and support these TCM products, but for new designs, we recommend the new high-performance TCMs and the TRAX2 AHRS and digital compass products.
PNI TCM include:
- TCM2.5
- TCM2.6
- TCM3
- TCM5
Downloads
User Manuals

TCM User Manual
Download 1.66 MB 1824 downloads
TCM 2.5 & 2.6 User Manual
Download 836.54 KB 1086 downloads
TCM 3 & 5 User Manual
Download 1.05 MB 798 downloadsSoftware

Legacy TCM 2.5 & 2.6 Studio2 (Windows)
Download 1.39 MB 798 downloads
Legacy TCM 2.5 & 2.6 Studio2 (Mac)
Download 1.61 MB 389 downloads
Legacy TCM 3 & 5 Studio (Windows)
Download 1.50 MB 661 downloadsWhite Papers

Tilt Induced Error in a 2-axis Compass
Download 156.18 KB 831 downloads
Magnetic Distortion Explanation and Testing
Download 1.58 MB 1096 downloads
PNI Magneto-Inductive Technology Overview
Download 672.68 KB 1642 downloads
Compassing in Harsh Environments
Download 146.93 KB 867 downloadsApplication Notes

Using RealTerm to Communicate with PNI Modules
Download 442.38 KB 784 downloads
Solving High Latitude Compassing Challenges
Download 220.10 KB 748 downloadsPNI's headquarters and manufacturing facility are operational. Read our COVID-19 update.