Configured for non-contacting vibration and displacement measurement in machinery protection systems, the Bently Nevada 330104-00-04-10-02-00 (330104 Proximity Probe) provides direct physical/electrical execution. The hardware translates mechanical shaft position variations relative to the probe tip into proportional electrical signals via eddy-current field interaction, interfacing directly with the 3500 series monitoring racks or equivalent transducers.

Suffix Nomenclature Matrix

• 330104: 3300 XL 8 mm Proximity Probe, 3/8-24 UNF thread, without armor

• -00: Unthreaded length option (0.0 inches)

• -04: Overall case length option (4.0 inches)

• -10: Total length option (1.0 meter / 3.3 feet)

• -02: Connector option (Miniature coaxial ClickLoc connector with connector protector)

• -00: Agency approval option (No approvals required)

Technical Specifications

Eddy-Current Probe Scaling & Gap Voltage Validation

The probe relies on precise eddy-current probe scaling to ensure linear voltage output over the specified displacement envelope. During mechanical calibration, engineers must perform gap voltage validation targeting a nominal -10 VDC baseline, corresponding to the electrical center of the 80 mil linear window. Minimizing cross-talk suppression between adjacent probe installations requires maintaining a physical separation distance of at least 40 mm between probe tips when mounted parallel. Misalignment or incorrect cross-talk control compromises rotor dynamics analysis accuracy, injecting false signals into high-speed shaft observation loops.

Component Package Contents

• 1 x Bently Nevada 330104-00-04-10-02-00 Proximity Probe

• 1 x Coaxial Connector Protector (pre-installed)

• 2 x 3/8-24 UNF Hex Jam Nuts

• 1 x Factory Calibration Data Validation Sheet

Mechanical Mounting & Installation Instructions

Proper physical deployment requires verification of the unthreaded and total case length matching the machine casing configuration.

1. Thread the probe body into the mounting bracket or stater block until the tip contacts the observed shaft surface, then back off the probe to establish the physical gap.

2. Monitor the electrical gap using a digital multimeter attached to the Proximitor Sensor output terminals. Adjust probe depth until the gap voltage registers -10.0 VDC (+/- 0.5 VDC).

3. Secure the position by tightening the provided hex jam nuts to a torque value not exceeding 4.5 N-m (40 in-lb) to prevent case deformation.

4. Route the 1.0 meter integral extension cable using conduit or dedicated cable trays. The coaxial run must maintain isolation from structural ground to eliminate ground loops.

Logistics & Distribution Management

Estimated dispatch timeline is 2-7 days when payment finish. Dispatch execution proceeds via global couriers including DHL, FEDEX, and UPS. All units are shipped inside anti-static industrial packaging complete with shock-absorbent micro-cellular foam inserts to preserve calibration integrity during international transport.

Technical Performance FAQ

Q: What is the mechanical limitation regarding extension cable length for this probe?

A: The 330104-00-04-10-02-00 specifies a 1.0 meter total length. It must be paired exclusively with a 4.0 meter extension cable to establish a matched 5.0 meter system, or an 8.0 meter extension cable for a 9.0 meter system, depending on the Proximitor configuration. Altering cable length alters loop impedance and invalidates the 200 mV/mil scale factor.

Q: Can this probe be hot-swapped while the monitoring rack is energized?

A: Yes. The probe itself is a passive inductive device powered by the Proximitor Sensor. Disconnecting or reconnecting the ClickLoc coaxial connector while the 3500 system is active does not cause electrical damage, though it will trigger a channel fault / NOT OK alarm on the monitoring rack.

Q: How does material composition variations affect the factory calibration?

A: The probe is calibrated at the factory for AISI 4140 steel targets. If used with alternative rotor materials such as 304 or 316 stainless steel, the eddy-current probe scaling shifts significantly, necessitating custom recalibration or the use of specific material correction multipliers within the monitoring software.