I. Model Interpretation

330180: 3300 XL 8mm Eddy Current Preprocessor (50Ω System) 91

9: Total system length 9m (probe + extension cable)

1: DIN rail installation

00: Standard configuration (no special certification / no armor / no special cable length)

II. Technical Specifications (Electrical)

System impedance: 50 Ω (must match 50Ω probe / cable)

Power supply voltage: -17.5 ~ -26 VDC (typical -24 VDC)

Working current: ≤ 12 mA

Sensitivity: 7.87 mV/μm (200 mV/mil)

Linear range: 0.25 ~ 2.3 mm (10 ~ 90 mils)

Frequency response: 0 ~ 10 kHz (+0/-3dB)

Output signal: Negative DC voltage, proportional to the gap (static displacement + dynamic vibration)

Environmental and mechanical

Operating temperature: -35°C ~ +85°C

Storage temperature: -35°C ~ +100°C

Installation method: DIN rail (35mm), with built-in insulating base

Size: 81.3 × 35.1 × 63.5 mm

Weight: Approximately 0.25 kg

Shell material: A308 aluminum alloy

Protection level: IP54 (correct installation)

Certifications: SIL 2/3, ATEX, CSA, CE, RoHS

III. Supporting Components (9m System)

Probe: 330191-00-26-10-00 (8mm, 4m integrated cable, standard temperature)

Extension cable: 330130-08-05-02 (5m, 50Ω)

Monitor: 3500/40 (vibration), 3500/42 (axial position)

IV. Installation Tips

Impedance matching: Full length 50Ω, cannot be mixed with 75Ω system

Recommended gap: 1.27 mm (50 mils, approximately -9 VDC)

Cable handling: Do not cut; bending radius ≥ 25mm, avoid sharp bends

Shielding grounding: Single-ended grounding at the cabinet end, floating at the probe end

Installation insulation: Preamplifier base comes with insulation, no additional insulating board required

V. Typical Applications

Large steam turbines, compressors, fans, motors, pumps for shaft vibration / shaft displacement monitoring

Suitable for long distances (9m) + high-density DIN cabinet installation scenarios