"This is the Align AP800 Digital Pitch Gauge. Developed by Align's R&D team, the AP800 digital pitch gauge is suitable for flybar and flybarless helicopters and features an auto-detecting Horizontal level, and the results are displayed through a high contrast LCD screen, providing a simple and precise way to measure pitch angles.
Features:
Auto-detecting Horizontal level.
Uses backlighting LCD monitor.
Zero and Lock function.
Detectable pitch range: -90° ~ 90°.
Automatic screen rotation.
Suitable for 200~800mm main blades.
Build-in energy saving function, power shuts down after 3 minutes without any movement.