ADS-C232-3A
ADS-C232-3A Dimensions

Vertical Reference ADS-C232-3AD (Dual Axis)

Our newest ADS sensor is a fully functional vertical reference in a miniaturized package. Without sacrificing the accuracy Watson sensors are known for, this ADS occupies about one tenth the volume! This new ADS is ideal for space-limited leveling and stabilization applications where high precision is required.

Features:

  • Solid State, Strapdown System
  • High Accuracy
  • Low Cost, Low Power
  • Rugged, High Reliability
  • Analog and RS-232 Digital Outputs
  • One Year Limited Warranty
  • Engineering Support

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Product Description

Introducing the ADS-C232-3AD, Watson Industries newest sensor system! It is a much smaller, yet fully functional vertical reference system that can serve as a replacement for a Watson VRS in many applications.

The Watson Industries Dual Axis Vertical Reference System is a solid-state gyro package that measures angular displacement and rate, especially where dynamic motion may interfere. Under these conditions, the effects of lateral accelerations severely limit the performance of an ordinary accelerometer or pendulous device.

The Watson Dual Axis Vertical Reference achieves exceptional performance by integrating the output of a vibrating structure gyro to get an estimate of the attitude, which is then compared to accelerometers to find the error. The error is filtered over a long time constant and subtracted from the rate gyro output to correct biases in a closed loop error correction system. This process lets the gyro measure short-term attitude accuracy above the correction loop frequency while the accelerometer serves as the long-term reference.

The ADS can be a functional replacement for mechanical gyros, which are often more expensive, larger, heavier and less reliable than this solid-state sensor. It is especially suited for applications where there is limited bank and elevation such as ships, underwater vehicles, some land vehicles, and certain camera applications.

Applications

Downloads

Download Spec Sheet (PDF - 108.7 KB)

Specifications

Attitude

Range: Bank ±180° (±30° †) Digital (Analog)
Range: Elevation ±90° (±30° †) Digital (Analog)
Resolution: 0.02° Binary mode (14 bit)
Analog Scale Factor: 6°/V † ±5V Output
Accuracy: Static ±0.5° (up to 75°)
* Accuracy: Dynamic 0.5%

Angular Rate

Range: Roll, Pitch ±100°/sec
Resolution: 0.025°/sec Binary mode (14 bit)
Analog Scale Factor: 20°/sec/V ±5V Output
Scale Factor Accuracy: 0.5%
Bias: X Axis, Y Axis < 0.3°/sec ±0.02°/sec Binary mode (14 bit)
Non-Linearity: < 0.2% Full scale range
Bandwidth: 50 Hz
Noise: < 0.06°/sec rms

Acceleration

Range: X, Y, Z ±10g
Resolution: 4mg
Scale Factor Accuracy: 1%
Bias: X, Y, Z < 10mg
Non-Linearity: 0.1% Full scale range
Bandwidth: 3 Hz

Environmental

Temperature: Operating -40°C to +85°C
Temperature: Storage -55°C to +85°C
Vibration: Operating 5g rms 20 Hz to 2 KHz
Vibration: Survival 10g rms 20 Hz to 2 KHz
Shock: Survival 500g 1mS ½ sine wave

Electrical

Frame Rate: 250 Hz Maximum
Startup Time: Data 5 sec
Startup Time: Fully operational 10 sec
Input Power: 8 to 45VDC 0.5W
Input Current: 40mA @ 12VDC 20mA @ 24VDC
Digital Output: RS-232
Analog Output: ±5VDC
Analog Output Impedance: 300 Ohm Per line

Physical

Axis Alignment: < 0.25°
Size: Including Mounting Flanges 1.2″W x 2.8″L x 1.35″H 3.0 x 7.1 x 3.4 (cm)
Weight: 2.1oz (0.1 lb) 60 grams (0.1 Kg)
Connection: Amp 4-794627-2 (12 pin)
* Actual accuracy can be calculated as the listed percentage multiplied by the change in value over the entire dynamic maneuver.
The Analog output range for Bank & Elevation is menu selectable. This also changes the analog scale factor for Bank & Elevation.
Specifications are subject to change without notice.
This product may be subject to export restrictions. Export Classification ECCN 7A994.

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