KVH 1775 IMU |
|
PERFORMANCE SPECIFICATIONS | |
Input Rate (max) | ±490°/sec |
Bias Instability (25°C) | ≤0.1°/hr, 1σ(max), ≤0.05°/hr, 1σ(typical) |
Bias vs. Temp. (≤°C/min) | ≤1°/hr, 1σ(max), ≤0.7°/hr, 1σ(typical) |
Bias Offset (25°C) | ±0.5°/hr |
Scale Factor Non-linearity(max rate, 25°C) | ≤50 ppm, 1σ |
Scale Factor vs. Temperature (≤1°C/min) | ≤100 ppm, 1σ |
Angle Random Walk (25°C) | ≤0.012°/√hr (≤0.7°/hr/√Hz ) |
Bandwidth (-3 dB) | ≥1000 Hz at data rates of 2300 to 5000 Hz≥440 Hz at data rate of 1000 Hz (default) |
ELECTRICAL/MECHANICAL | |
Initialization Time (valid data) | ≤1.5 sec |
Data Interface | Asynchronous or Synchronous RS-422 |
Baud Rate | Selectable 9.6 Kbps to 4147 Kbps |
Data Rate | User Selectable 1 to 5000 Hz |
Dimensions (max) | 88.9 mm Dia x 73.7 mm H (3.5" x 2.9") |
Weight (max) | 0.7 kg (1.45 lbs) |
Power Consumption | 8 W (max), 5 W (typical) |
Input Voltage | +9 to +36 VDC |
ENVIRONMENT | |
Temperature (operating) | -40°C to +75°C (-40°F to +167°F) |
Shock (operating) | 9 g, 11 msec, sawtooth |
Vibration (operating) | 8 g rms, 20-2000 Hz random |
ACCELEROMETERS | |
Input Limit (max) | ±10 g |
Bias Instability (constant temp) | |
Scale Factor Temperature Sensitivity | ≤500 ppm/°C, 1σ(max)(full scale, full temp) |
Velocity Random Walk (25°C) | ≤0.12 mg/√Hz (0.23 ft/sec/√hr) |
Bandwidth (-3 dB) | ≥200 Hz |
MAGNETOMETERS | |
Input Range | ±10 Gauss (max) |
Bias | ±0.2 Gauss |
Bias Noise (rms) |
KVH 1775 IMU
Codice:
Premium Performance for Critical Applications IMU
PREMIUM PERFORMANCE FOR CRITICAL APPLICATIONS
KVH’s premier IMU for the most demanding environments and applications
Exceptional FOG-based IMU performance for critical applications
Very high bandwidth (-3 dB)
≥1000 Hz at data rates 2300 to 5000 Hz
≥440 Hz at data rate of 1000 Hz (default)
Very low latency: <500 µsec
3 axes of magnetometers for automatic gyro bias compensation in the presence of strong magnetic fields
User-selectable baud rate and data rates
COMPACT AND LIGHTWEIGHT
Compact design: 88.9 mm Dia x 73.7 mm h (3.5" x 2.9") (max)
Lightweight: 0.7 kg (1.45 lbs) (max)
Built with DSP-1750 Fiber Optic Gyros (FOGs) – the world’s smallest high performance FOG
RS-422 Asynchronous or Synchronous communication with user-programmable update rates from 1 to 5000 Hz
Commercial Off-the-Shelf (COTS) system
DESIGNED FOR CHALLENGING ENVIRONMENTS
Flexible interfaces and multiple programmable message outputs
Magnetometers for automatic gyro bias compensation in the presence of strong magnetic fields
User-adjustable baud rate and data rates
Excellent shock and vibration tolerance
APPLICATIONS
Pipeline inspection and maintenance systems
GNSS-aiding inertial navigation systems
Augmented reality and mobile mapping systems
Stabilization systems for high-speed gimbals, EO/FLIR platforms
Drilling, mining systems
Targeting and precision guiding systems