BENTLY NEVADA 330103-00-08-10-02-05 3300 XL 8 mm Proximity Probe

System Type: 3300 XL 8 mm Proximity Probe, M10 x 1 thread, without armor

Linear Range: 2 mm (80 mils)

Incremental Scale Factor (ISF): 7.87 V/mm (200 mV/mil) ± 5%

Deviation from Best Fit Straight Line (DSL): Less than ±0.025 mm (±1 mil)

Bently Nevada Proximity Probe Standard Target Material: AISI 4140 steel

Bently Nevada Proximity Probe Frequency Response: 0 to 10 kHz

Unthreaded Length Option (00): 0 mm

Overall Case Length Option (08): 80 mm

Total Length Option (10): 1.0 meter (3.3 feet)

Connector & Cable Type (02): Miniature coaxial ClickLoc connector, standard cable

Bently Nevada Proximity Probe Tip Material: Polyphenylene sulfide (PPS)

Bently Nevada Proximity Probe Case Material: AISI 303 or 304 stainless steel (SST)

Bently Nevada Proximity Probe Temperature Range: -52°C to +177°C (-62°F to +350°F)

Agency Approval Option (05): CSA, ATEX, IECEx Approvals

API Compliance: Fully complies with American Petroleum Institute’s (API) 670 Standard

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Q1: What are the exact physical and mounting dimensions configured by the part number 330103-00-08-10-02-05?

• A1: The Bently Nevada Proximity Probe defines a metric standard-mount 3300 XL 8 mm proximity probe. The options specify an M10 x 1 thread, 0 mm of unthreaded length (00), an 80 mm overall case length (08), and a 1.0-metre total length (10). It features a miniature coaxial ClickLoc connector with standard unarmored cable (02) and multiple global hazardous area agency approvals (05), including CSA, ATEX, and IECEx.

• A2: To maintain calibration, the 1.0-metre 330103-00-08-10-02-05 probe must be paired exclusively with a 4.0-metre extension cable (such as part number 330130-040) to create a standard 5-metre transducer system. This loop must connect to a 5-meter 3300 XL Proximitor Sensor (such as part number 330180-50 or 330180-51). Mixing the 330103-00-08-10-02-05 Proximity Probe with a 9-metre cable or 9-metre Proximitor will alter system electrical impedance and severely distort the calibrated 7.87 V/mm (200 mV/mil) scale factor.

• A3: The 330103-00-08-10-02-05 Proximity Probe case has a maximum rated thread engagement length of 15 mm. Exceeding this depth can cause binding or internal component damage during installation. For standard forward-mounted installations, Bently Nevada recommends a tightening torque of 11.2 N·m (100 in·lbf), with a strict maximum limit of 33.9 N·m (300 in·lbf) to prevent mechanical cracking of the stainless steel housing.

• A4: Because the 330103-00-08-10-02-05 Proximity Probe features a standard unarmored FEP cable (02 configuration), its high-frequency coaxial connection is vulnerable to oil ingress which can shift the gap voltage. Engineers must install a fluorosilicone connector protector kit (part number 40113-02) or apply self-fusing silicone tape over the connection. This seals the joint and prevents turbine oil from contaminating the ClickLoc interface of the 330103-00-08-10-02-05 Proximity Probe.

• Cause: The 1.0-meter probe cable is pinched or severed (Open Circuit = -24 Vdc), or shorted to the machine case (Short Circuit = 0 to -2 Vdc).

• Fix: Check connector resistance on the 330103-00-08-10-02-05 Proximity Probe. A healthy probe must read 7.59 ± 0.50 Ω. Replace if infinity or 0 Ω.

• Cause: Lube oil enters the unarmored ClickLoc connector of this standard cable configuration, disrupting the signal and shifting the voltage gap.

• Fix: Clean the connector with electronic cleaner, blow dry, and snap tight. Seal the joint using a dedicated Connector Protector to safeguard the unarmored line.

• Cause: Shaft surface scratches (mechanical runout) or EMI noise on the unarmored probe lead from nearby power cables.

• Fix: Polish the shaft target area. Ensure the Proximitor shield wire connected to the BENTLY NEVADA 330103-00-08-10-02-05 loop is grounded at the monitor rack end only to eliminate ground loops.