1.Measurement Performance Measurable Data: Heading, Pitch, Roll Heading Accuracy: ±0.8° after magnetic compensation Tilt Accuracy: ±0.15° Range: Heading 0°~360°, Pitch & Roll ±90° Resolution: 0.01° Adjustable Output Rate: 1–10Hz Power Consumption & Mechanical Resistance Operating Current: ≤12mA (ultra-low power mode optional) Shock Resistance: 40g triaxial instantaneous impact Vibration Resistance: 5grms, 10~1000Hz full frequency band 2. Electrical & Environmental Parameters Supply Voltage: DC 3.3V / 5V optional Communication Interface: RS485 Modbus-RTU / TTL Protection: Bare PCB module; matched outer housing available Operating Temperature: -40℃ ~ +85℃ EMC Standard: EN61000 industrial electromagnetic compatibility 3.Core Functions & Advantages Single-board mini PCB structure, lightweight and space-saving for embedded integration Ultra-low power consumption, perfectly fit battery-operated portable devices One-click automatic magnetic compensation to eliminate ferromagnetic interference errors Real-time 3-axis attitude and azimuth data output with high stability Multiple voltage and communication options for secondary equipment development Compact layout, easy to embed inside handheld and unmanned devices 4.Structural Features Pure PCB single-board layout without integrated casing, reserved welding terminals for wiring. Small overall size for embedded installation inside instruments, unmanned equipment and portable terminals. Separate magnetic sensing area avoids nearby circuit magnetic interference. 5.Application Fields Handheld surveying instruments, unmanned ground/aerial robots, portable rescue positioning devices, battery-powered monitoring equipment, small navigation terminals, mini orientation detection modules for outdoor instruments.