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The Fredericks Company
0728-1025-99 “Micro-arc” Wide Angle, Electrolytic Tilt Sensor

0728-1025-99 “Micro-arc” Wide Angle, Electrolytic Tilt Sensor

Product catalog summary

Overview: The Fredericks Company's 0728-1025-99 'Micro-arc' is a wide-angle electrolytic tilt sensor utilizing ceramic construction technology. It is designed for high sensitivity and repeatability, with a linear output range of ±75° and excellent vibration resistance.

Applications: This sensor is suitable for use in off-road and construction vehicles, medical instruments, navigation and GPS compensation, robotic and automation applications, and oceanographic instrumentation.

Specifications:

Angle Range: ±85°
Resolution: 0.2 arc minutes
Repeatability: ±0.05 degrees
Operating Temperature: -20°C to +100°C
Storage Temperature: -20°C to +100°C
Null Voltage: < 0.025 Volts
Null Current (max): 0.2 mA
Null Impedance (nom): 10.0 K Ohms
Linearity: ±3%
Symmetry: < 5%
Mechanical Crosstalk: 0.005°
Time Constant: < 100 msec
Materials: Non-magnetic

Physical Dimensions:

Height: 0.850” (21.59mm)
Width: 0.750” (19.05mm)
Diameter of Mounting Hole: 0.0625” (1.59mm)
Wire Length (min): 6” (152.4mm)

Testing and Circuitry: Tests involve exciting the electrodes with a 400 Hz AC signal to produce maximum current at null. Output readings are taken between the center electrode and the center of balanced resistors. It is crucial to ensure circuits are free of direct current to prevent damage or instability.

Output Sensitivity: The sensor's output sensitivity is depicted in a curve showing percentage output against tilt angle, ranging from -90° to +90°.

Catalog excerpts

0728-1025-99 “Micro-arc” Wide Angle, Electrolytic Tilt Sensor-1

The Fredericks Company 0728-1025-99 “Micro-arc” Wide Angle, Electrolytic Tilt Sensor The 0728-1025-99 ”Micro-arc” uses ceramic construction technology. This wide-angle sensor is manufactured to precise tolerances for extreme sensor-to-sensor sensitivity and repeatability. The 0728- 1025-99-sensor features linear output to ±75°, good vibration resistance, and superior cross axis properties. Glass sealing technologies allow for operation in a wider temperature range. Applications Include: Off Road and Construction Vehicles Medical Instruments Navigation and GPS Compensation Robotic and Automation Applications Oceanographic Instrumentation 2400 Philmont Avenue Huntingdon Valley, Pennsylvania 19006-0067 Phone: (215) 947-2500 Fax: (215) 947-7464 Web: www.frederickscom.com P/N 07281025999 Email: [email protected] Angle Range ± 85° Resolution .2 arc minutes Repeatability ± .05 degrees

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