330878-50-00 Bently Nevada Proximitor Sensor

330878-50-00 3300 XL 50 mm Proximitor Sensor | BENTLY NEVADA

330878-50-00 3300 XL 50 mm Proximitor Sensor | BENTLY NEVADA

التوفر: 10 متوفر في المخزون

Configured for high-frequency displacement measurement in rotating machinery monitoring networks, the BENTLY NEVADA 330878-50-00 (330878 3300 XL 50 mm Proximitor...

رمز المنتج: 330878-50-00

Manufacturer: Bently Nevada
Product No.: 330878-50-00
Product Type: Proximity Sensors
Product Origin: USA
Payment:T/T, Western Union
Weight: 255g
Shipping port: Xiamen
Warranty: 12 months

وصف التقييمات

Configured for high-frequency displacement measurement in rotating machinery monitoring networks, the BENTLY NEVADA 330878-50-00 (330878 3300 XL 50 mm Proximitor Sensor) provides direct physical signal processing between the non-contacting inductive probe and the vibration monitoring instrumentation.

Suffix Breakdown & Model Matrix

Suffix	Description
50	5.0 meters system length, panel mount configuration
00	No hazardous area agency approvals

Hardware Specifications

Parameter	Specification
Model	330878-50-00
Brand	Bently Nevada
Origin	USA
Weight	0.255 kg (approx.)
Dimensions	60 mm x 60 mm x 100 mm
Operating Temp	-35 deg C to +85 deg C
Power Consumption	12 mA maximum

Mechanical Monitoring and TSI Characteristics

The 330878-50-00 utilizes eddy-current probe scaling to convert the gap between the probe tip and the metallic target into a proportional electrical signal. Precise gap voltage validation—targeting -10 VDC at the nominal operating position—is mandatory during installation to ensure the sensor remains centered within its linear measurement range. This bias is fundamental for accurate rotor dynamics analysis. Furthermore, in high-density installations, engineers must implement cross-talk suppression by maintaining specified physical distances between adjacent probe tips to eliminate mutual frequency interference in the oscillator circuit.

Frequently Asked Questions

Q: Can the 50 mm probe system be used with standard 8 mm or 25 mm extension cables?

A: No. The 3300 XL 50 mm system is factory-calibrated as a matched set. Interchanging components between different probe series will result in non-linear scaling and erroneous displacement output.

Q: How is the Proximitor protected against transient surges in the field?

A: The device requires a stable DC power supply (-17.5 VDC to -26 VDC). While the Proximitor itself is robust, surge protection should be implemented at the monitor or cabinet level to safeguard the signal loop from industrial transients.

Field Installation Guidelines

Mount the Proximitor to a metal panel using the integrated mounting holes to establish a consistent chassis potential.
Ensure coaxial cable routing is strictly segregated from high-voltage AC or motor-drive cabling to mitigate electromagnetic interference (EMI).
Verify the gap voltage at the field wiring terminals using a high-impedance multimeter before finalizing the machine protection setpoints.
Tighten all BNC-style coaxial connectors finger-tight. Over-torquing with tools can compromise the dielectric integrity and cause signal noise.
Terminate the signal shield at the monitoring instrument only to avoid circulating ground loops through the field piping or machine casing.

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مارك تومسون

مدير الصيانة، الولايات المتحدة الأمريكية

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روبرت هوفمان

رئيس قسم الهندسة، ألمانيا

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