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1775imu
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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

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)