The North Atlantic 8810-F22 Angle Position Indicator is a high-precision instrument for accurate measurement and display of angular displacement in synchro and resolver systems. It delivers 0.001° resolution with ±0.004° accuracy across a 0° to 359.99° range, making it suitable for demanding industrial and aerospace applications requiring reliable angular tracking without velocity errors.
Technical Specifications
Measurement Performance
• Resolution: 0.001°
• Accuracy: ±0.004° (standard)
• Angular Range: 0.000° to 359.99°
• Tracking Speed: 200°/second (standard); 75°/s with 47–440 Hz option
• Settling Time: 1.5 seconds maximum for 180° step change (standard); 3.0 seconds with 47–440 Hz option
• Phase Sensitive Detection: π/6 rejection of unwanted harmonics and noise
• Auto Phase Correction: ±30° phase shift compensation between stator and rotor signals
Input Signal Specifications
• Input Channels: 2
• Line-to-Line Input Voltage: Auto-ranging for 11.8 V, 26 V, or 90 V L-L
• Channel 1: Synchro or Resolver (jumper/connector configurable)
• Channel 2: Resolver (default)
• Reference Voltage: 3 V to 115 V (AGC)
• Input Impedance: Signal 1 MΩ minimum; Reference 100 kΩ minimum
• Frequency Range: 360 Hz to 1200 Hz (standard); 47 Hz to 440 Hz (optional); 360 Hz to 10 kHz (consult factory)
Display and Output
• Display Type: Planar gas discharge
• Display Format: 0.000° to 359.99°
• Digital Output: 6-decade BCD (1-2-4-8) with 10 TTL loads
• Data Mode: Continuous or freeze
• Converter Busy Signal: TTL-compatible pulses, 1 µs wide nominal
• IEEE-488 Interface: Available as option
Power and Physical
• Input Power: 115 VAC or 220 VAC; 115/230 Vrms (±10%) or 125/250 Vrms (±10%), 47–440 Hz
• Power Consumption: 25 VA maximum
• Dimensions: 12.5″ L × 9.5″ W × 3.5″ H
• Weight: 8 lbs
• Operating Temperature: 0°C to 70°C
– Key Features
• Full-tracking Type II servo eliminates velocity errors in synchro/resolver conversion
• Auto line-to-line voltage selection accepts standard inputs without manual configuration
• Built-in phase correction reduces errors from quadrature components and harmonics
• BCD output provides direct interface to digital systems
– Compatibility & Integration
The 8810-F22 interfaces with standard synchro and resolver signal sources via two configurable input channels. BCD outputs enable integration with TTL-compatible control systems and data acquisition equipment.














