Product Description:

The Bently Nevada 330194-10-20-05-00 is an 8 mm Extended Temperature Range (ETR) Proximity Probe with an M10 x 1 metric thread and stainless steel armor. It is part of the Bently Nevada 3300 XL series for heavy-duty machinery condition monitoring.The 3300 XL 8 mm system delivers the most advanced performance in our eddy current proximity transducer systems. The standard 3300 XL 8 mm 5-meter system also fully complies with the American Petroleum Institute’s (API) 670 Standard for mechanical configuration, linear range, accuracy, and temperature stability. All 3300 XL 8 mm proximity transducer systems provide this level of performance and support complete interchangeability of probes, extension cables, and Proximitor sensors, eliminating the need to match or bench calibrate individual components.

Frequently Asked Questions (FAQ)

Q:What is the target material used for calibration?

A:The system is factory-calibrated to a standard AISI 4140 steel target. Using alternative target metals without custom recalibration will cause incorrect linear voltage readings.
Q:What is the linear range and scale factor?
A:When combined with a matching 3300 XL Proximitor, it features a linear range of 2.0 mm (80 mils). The standard scale factor is 7.87 V/mm (200 mV/mil) when gapped correctly (typically centered around a -10 Vdc bias or a 1.27 mm/50 mil physical gap).

Q:How do I check if the probe is functioning with a multimeter?
A:You can verify core electrical integrity by measuring resistance across the center conductor and outer conductor of the miniature coaxial connector. A standard 0.5-meter probe should read a nominal DC resistance of 7.45 Ω ± 0.50 Ω. You should also check for an open circuit (no continuity) between either conductor and the outer armored housing to ensure there is no grounding fault.

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