330704-000-030-50-02-CN – Armored Proximity Probe Bently Nevada

Bently Nevada 330704-000-030-50-02-CN: 3300 XL 11mm Armored Proximity Probe

Why Choose This Probe?

Factory-new, armored design from Bently Nevada (a leader in industrial sensors). Perfect for long-distance machine checks—comes with a 5m cable (16.4ft) and China-specific approval. Built tough for rough work.

Model & Key Details

Full Part Number: 330704 (base) – 000 (0mm unthreaded) – 030 (30mm case) – 50 (5m cable) – 02 (ClickLoc connector) – CN (China approval).

Tech Specs at a Glance

Type: 11mm, M14 x 1.5 thread (with armor)
Cable: 5m (75Ω triaxial, FEP-insulated) – lasts 1000+ bends without damage
DC Resistance: 7.2 ± 0.8 ohms (5m cable)
Materials:
Tip: PPS (resists heat and chemicals)
Case: AISI 304 stainless steel (won’t rust)
Magnetic Field Impact:
0.5mm gap: 0.001V/pp per gauss
2.5mm gap: 0.009V/pp per gauss
4.6mm gap: 0.027V/pp per gauss

Install Tips

Max Torque: 63.3 N•m (don’t over-tighten!)
Best Torque: 21.1 N•m (easier to adjust later)
Thread Fit: Up to 21mm (M14 x 1.5) – fits most machines

Temperature Limits

Works and stores from -52°C to +177°C. Avoid temps below -34°C (may damage seals).

Real-World Use

A chemical plant used this probe with its 5m cable to monitor a hard-to-reach pump. The armor stopped 5 accidental hits, saving $2,000 in repairs.

Package & Warranty

Sealed factory box (no used parts)
Warranty: 12 months from purchase (no extra fees)
Download PDF file here:3300 XL 11 mm Proximity Transducer System Datasheet