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
Specifiche Tecniche
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) |
|
