Vertical Reference ADS-C132-1A
Single Axis (ADS-C132-1A)


Vertical Gyro ADS-C232-1A
Dual Axis (ADS-C232-1A)

Solid State Vertical Reference

ADS-C132-1A
ADS-C232-1A

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Description:

The Watson Vertical Reference is a solid state gyro system used to measure angular displacement and rate, especially where dynamic motion may interfere. This is where the effects of lateral acceleration severely limit performance capability of an ordinary accelerometer or pendulous device. The Watson vertical reference provides exceptional performance in this area.

The Watson Vertical Reference achieves improved performance by integrating a Watson angular rate gyro to get an estimate of attitude and then comparing it with the output from an inclinometer (pendulum) to find the error. The error is filtered over a long time constant and subtracted from the rate gyro output to correct biases as a closed loop error correction system. The Watson Vertical Reference can be a functional replacement for a mechanical vertical gyro. Mechanical gyros are often more expensive and cannot provide the reliability and life of this solid-state sensor.

Applications:

The Watson vertical reference has been used to stabilize or control ships and submersibles, to instrument automobiles, to stabilize antennas and many other applications. The vertical reference is especially suited for applications where there is limited bank and elevation such as ships, underwater vehicles, land vehicles, and camera stabilization. This is because the vertical reference uses a linear coordinate system. To do any better, a full three axis system, with either an Euler or Quaternion system, would be required. Consult the factory about your application.

Features:

All Solid StateVertical Reference ADS-C132-1A System DiagramVertical Reference ADS-C132-1A System Diagram
High Reliability
Low Cost
One Year Warranty
Low Power
Engineering Support

Vertical Reference
ADS-C132-1A / ADS-C232-1A
Specifications

Attitude

Single AxisDual Axis
Range: BankNot available±30°
Range: Elevation±50°±30°
Analog Scale Factor:5°/V3°/V±10V Output
Accuracy: Static±0.3°±0.3°
*Accuracy: Dynamic±2%±2%

Angular Rate

Range: RollNot available±100°/sec
Range: Pitch±100°/sec±100°/sec
Analog Scale Factor:10°/sec/V10°/sec/V±10V Output
Scale Factor Accuracy:1%1%
Bias: RollNot available< ±1.5°/sec
Bias: Pitch< ±1.5°/sec< ±1.5°/sec
Non-Linearity:< 0.05%< 0.05%Full scale range
Bandwidth:50 Hz50 Hz

Environmental

Temperature: Operating-40°C to +85°C-40°C to +85°C
Temperature: Storage-55°C to +85°C-55°C to +85°C
Vibration: Operating2.5g rms2.5g rms20 Hz to 2 kHz
Vibration: Survival10g rms10g rms20 Hz to 2 kHz
Shock: Survival500g 500g 10mS ½ sine wave

Electrical

Input Power: Positive12 to 16VDC (0.5W)12 to 16VDC (0.9W)
Input Power: Negative-12 to -16VDC (0.5W)-12 to -16VDC (0.9W)
Input Current:30mA @ ±15VDC60mA @ ±15VDC
Analog Output:±10VDC±10VDC
Output Impedance:1000 Ohm1000 Ohm

Physical

Axis Alignment:< 2°< 2°
Size: Including Mounting Flanges2.25"W x 4.25"L x 2.53"H3.0"W x 4.5"L x 3.09"H
Weight:9oz (0.6lb)15oz (0.9lb)
Connection:9 pin male "D" subminiature9 pin male "D" subminiature
* Actual accuracy can be calculated as the listed percentage multiplied by the change in value over the entire dynamic maneuver.
Specifications are subject to change without notice.

ADS Vertical Gyro Dimensions

Single Axis ADS-C132-1A

Vertical Reference ADS-C132-1A Dimensions

Dual Axis ADS-C232-1A

Vertical Reference ADS-C232-1A Dimensions
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