Technical Specifications
Type: variable reluctance magnetic pickup. Output: AC sine wave. Frequency range: 5Hz to 15kHz. Mounting thread: 1/2-20 UNF. Operating gap: 0.2mm to 1.0mm. Operating temperature range: -40°C to +150°C. Protection rating: IP67.
Functional Features
High-resolution measurement for low-speed operation. Rugged high-temperature construction. Non-contact wear-free operation. Compatible with Woodward digital governors and controls. Sealed construction for harsh environments.
Application Scenarios
It provides precision speed measurement for low-speed engines, steam turbines, gas turbines and industrial drives requiring accurate speed regulation and overspeed protection.
Performance Parameters
Frequency range: 5Hz to 15kHz. Output amplitude: 0.5V RMS minimum @ 50Hz. Temperature range: -40°C to +150°C. Vibration resistance: 10G.
Material Composition
Housing: stainless steel. Coil: high-temperature enameled copper. Pole piece: permeable steel. Cable: high-temperature fluoropolymer jacketed.
Structural Characteristics
Cylindrical threaded body, internal coil assembly, armored cable, locknut.
Working Principle
Passing gear teeth modulate magnetic reluctance, inducing an AC voltage in the sensor coil proportional in frequency to rotational speed for precise speed feedback.
Installation Requirements
Thread into mounting position. Set air gap per specification. Lock locknut. Connect to control system.
Usage Notes
Maintain air gap within limits. Inspect periodically. Do not exceed temperature rating.
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