330730-040-03-00 Bently Nevada Extension Cable

Bently Nevada 330730-040-03-00 3300 XL 11 mm Extension Cable

Bently Nevada 330730-040-03-00 3300 XL 11 mm Extension Cable

Availability: 10 left in stock

The Bently Nevada 330730-040-03-00, also cataloged as the 330730 Extension Cable, operates as a dedicated hardware component for high-frequency analog...

SKU: 330730-040-03-00

Manufacturer: Bently Nevada
Product No.: 330730-040-03-00
Product Type: Proximity Sensors
Product Origin: USA
Payment:T/T, Western Union
Weight: 1500g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

The Bently Nevada 330730-040-03-00, also cataloged as the 330730 Extension Cable, operates as a dedicated hardware component for high-frequency analog signal transmission between proximity probes and Proximitor sensors within 3500 Machinery Protection System networks. It conducts RF excitation signals and processes differential DC gap and AC vibration signals without phase shift or line reflection.

Suffix Breakdown & Model Matrix

The suffix breakdown for ordering code 330730-040-03-00 is structured as follows:

330730: Base Model Designation for 3300 XL 11 mm Extension Cable.
040: Cable Length Option – 4.0 metres (13.1 feet).
03: Connector and Cable Option – Armored cable with connector protector.
00: Agency Approval Option – Not required.

Hardware Specifications

Parameter	Specification
Model	330730-040-03-00
Brand	Bently Nevada
Origin	United States
Weight	0.14 kg (Shipping Weight: 1.5 kg)
Dimensions	4.0 m cable length, 11 mm transducer system standard
Operating Temp	-51 deg C to +177 deg C
Power Consumption	Passive physical media (0 W)
System Length	4.0 m cable (configured for 5.0 m or 9.0 m total system match)
Recommended Target Size	30.5 mm (1.2 in) diameter flat target
Cable Armor	Stainless steel flexible armor with connector protector
Interface Type	Miniature coaxial connectors with locking mechanism

Eddy-Current Probe Scaling and Rotor Dynamics Analysis

The 330730-040-03-00 extension cable maintains calibrated capacitance values to preserve linear eddy-current probe scaling (3.94 V/mm or 100 mV/mil output response) when paired with 3300 XL 11 mm probes. System length matching maintains exact signal phase velocity essential for high-speed rotor dynamics tracking and phase angle calculations.

During installation and field verification, gap voltage validation targets a nominal -10 VDC reading at the Proximitor output terminals when the probe target resides within the linear measurement band. The protective armor and outer connector sleeve eliminate environmental contamination and maintain cross-talk suppression along dense cable trays.

Frequently Asked Questions

Q: Does the addition of the connector protector (-03 option) change the electrical installation requirements?

A: No. The connector protector provides physical shielding against environmental contaminants and oil, but electrical isolation requirements remain identical. The shield must be floating at the probe end and tied to earth ground only at the Proximitor sensor housing.

Q: Can the cable length be trimmed in the field if 4.0 m is longer than required?

A: No. Trimming or altering the cable length alters overall system resistance and capacitance, which invalidates factory calibration and induces scale factor errors into displacement and vibration measurements.

Field Installation Guidelines

Inspect the cable FEP outer jacket, armor, and connector seals for cuts or mechanical damage prior to mounting.
Route the armored cable through designated instrument raceways, maintaining a minimum static bend radius of 38.1 mm (1.5 in).
Ensure a minimum clearance distance of 300 mm from power lines and VFD field wiring to eliminate inductive noise coupling.
Join the coaxial connectors securely until the locking mechanism fully seats; slide the integrated connector protector over the junction to seal out moisture and fluids.
Verify gap voltage validation by measuring DC bias at the Proximitor sensor terminals; verify the reading approaches -10.0 VDC at mid-span mechanical gap.
Connect the cable shield exclusively to system instrument ground at the Proximitor enclosure, ensuring no ground paths are formed at the probe junction.

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Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

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