Bently Nevada | Armored Proximity Probes | 330704-000-050-10-01-05

Bently Nevada 3300 XL 11mm Proximity Probe (Part No.: 330704-000-050-10-01-05)

What It Is

A new, factory-sealed sensor for industrial machines. Measures part movement without touching. Comes with armor for tough jobs, and has extra safety approvals.

Key Basics

Brand: Bently Nevada (known for strong industrial tools)
Model: 3300 XL 11mm Proximity Probes (Metric)
Part No.: 330704-000-050-10-01-05
Warranty: 12 months (covers factory defects)

Tech Numbers

Thread: M14 x 1.5 (with armor)
Case Length: 50.0mm (no extra threads)
Cable Length: 1.0m (3.3ft)
Connector: Small ClickLoc (with protector)
Resistance: 5.9 ± 0.5 ohms (1.0m probe)
Magnetic Field Impact (60 Hz, 300 Gauss):

0.5mm gap: 0.001 mil pp/gauss
2.5mm gap: 0.009 mil pp/gauss
4.6mm gap: 0.027 mil pp/gauss

What It’s Made Of

Tip: PPS plastic (strong and heat-resistant)
Case: 304 stainless steel (stops rust)
Cable: 75Ω triaxial, FEP-insulated (works in 1m, 5m, or 9m lengths)

Install Steps

Screw In: Use M14 x 1.5 thread.
Max Tighten: 63.3 N·m (don’t go over).
Best Tighten: 21.1 N·m (keeps it safe).
Thread Fit: Max 21mm (screw in just enough).

Temp Limits

Works from -52°C to 177°C (-62°F to 351°F).
Avoid temps below -34°C (-30°F) – can break seals.

Safety Approvals

EPL Ga/Gc: T1 (-55°C to 232°C), T2 (-55°C to 177°C), T3 (-55°C to 120°C), T4 (-55°C to 80°C), T5 (-55°C to 40°C)
EPL Dc: T280°C (at -55°C to 232°C), T225°C (at -55°C to 177°C), T170°C (at -55°C to 120°C), T130°C (at -55°C to 80°C), T105°C (at -55°C to 100°C), T90°C (at -55°C to 40°C)

Box Contents

1 probe (with armor)
1 standard cable (1.0m)
1 connector protector
Factory-sealed package

Where It’s Used

Power Turbines: Checks rotor movement.
Air Compressors: Tracks rod position.
Water Pumps: Monitors shaft alignment.
Download PDF file here:3300 XL 11 mm Proximity Transducer System Datasheet