330851-04-000-020-10-00-05
May 23, 2026

330851-04-000-020-10-00-05

330851-04-000-020-10-00-05 Model: 330851-04-000-020-10-00-05 Brand: Bently Nevada Series: 3300 XL 25mm Differential Expansion Eddy Current Probe Application: For detecting differential expansion and axial displacement of the unit. 2-meter total length, suitable for high-temperature explosion-proof working conditions.

Description

Model Explanation

330851: Special probe for 25mm differential expansion

04: Standard M30×2 threaded housing

000: Standard size without threaded section

020: Total system length 2.0 meters

10: High-temperature non-armored cable

00: Tail-out structure

05: ATEX/IECEx explosion-proof certification

Core Parameters

Electrical Parameters

Sensitivity: 0.787V/mm

Linear range: 0~12.7mm

Frequency response range: 0~5kHz

Output: Negative pressure gap voltage signal

Mechanical Specifications

Installation thread: M30×2

Outlet method: Tail-out

Cable length: 2m

Minimum bending radius: ≥50mm

Protection level: IP67

Environmental Parameters

Probe short-term temperature resistance: 150℃

Cable operating temperature: -40℃~120℃

Vibration resistance level: 10g

Explosion-proof level: Ex ia IIC T4

System Compatibility

Matching preamplifier: 330850-020-05

Matching extension cable: 330854-020-24-05

Compatible rack: 3300 TSI, 3500 TSI

Compatible module: 3500/45M differential expansion displacement module

Installation Requirements

The length specification of the entire system is unified

Cables must not be compressed or bent with sharp corners

The shielding layer is grounded only at one end on the preamplifier side

Explosion-proof areas should be installed in accordance with the specifications Applicable scenarios

Monitoring of shaft expansion difference and shaft displacement for turbine generator sets

High-temperature factory area, hydrogen generation unit, chemical explosion-proof area

Scenarios of point installation over short distances


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