Model Explanation

330850: 25mm differential expansion dedicated preamplifier

91: Total system length 9.1 meters

05: Equipped with multiple explosion-proof certifications

Core Parameters

Electrical Parameters

Adaptation sensitivity: 0.787V/mm

Linear measurement range: 0 - 12.7mm

Frequency response bandwidth: 0 - 5kHz

Operating power supply: 18 - 30VDC

Output analog gap voltage signal

Mechanical Specifications

Installation form: Panel fixed

Shell material: Cast aluminum

Protection level: IP65

Environmental Parameters

Operating temperature: -40℃ - 85℃

Storage temperature: -51℃ - 105℃

Explosion-proof grade: Ex ia IIC T4

System Adaptation

Matching probe: 330851 series 9.1m specification probe

Matching cable: 330854 series 9.1m specification cable

Adaptation rack: 3300 TSI, 3500 TSI

Adaptation module: 3500/45M displacement differential expansion module

Installation Requirements

Total system cable length strictly matches 9.1 meters

Equipment base maintains insulation installation

Shielded cable single-ended grounding to avoid interference

Explosion-proof area follows corresponding installation specifications Applicable scenarios

Monitoring of shaft misalignment and shaft displacement for large steam turbine generators

Long-distance wiring, high-temperature environments, and explosion-proof conditions in chemical plants