Product Introduction
The Bently Nevada 330730-040-01-00 is a 3300 XL 11 mm Extension Cable designed for industrial vibration monitoring systems. This cable, part of the trusted 3300 XL series, provides a reliable connection between the probe and the Proximitor sensor, ensuring precise measurement in rotating machinery. With a cable length of 4.0 meters (13.1 feet) and standard connector option, the 330730-040-01-00 is suited for installations requiring consistent signal integrity across moderate distances.
Technical Specifications
The following specifications are based on the exact product data for the Bently Nevada 330730-040-01-00:
| Parameter |
Value |
| Product Type |
3300 XL 11 mm Extension Cable |
| Length |
4.0 meters (13.1 feet) |
| Connector Option |
Standard cable (00) |
| Agency Approval Option |
Armored cable (01) |
| Extension Cable Capacitance |
69.9 pF/m (21.3 pF/ft) typical |
| Operating Temperature |
-51°C to +177°C (-60°F to +351°F) |
| Weight (Standard Cable) |
45 g/m (0.5 oz/ft), 0.18 kg |
| Weight (Armored Cable) |
140 g/m (1.5 oz/ft), 0.56 kg |
| DC Resistance (RCORE) |
1.0 ± 0.25 ohms |
| DC Resistance (RJACKET) |
0.3 ± 0.1 ohms |
| Incremental Scale Factor (ISF) |
3.94 V/mm (100 mV/mil) ±10% |
| Linear Range |
4.0 mm (160 mils) from 0.5 to 4.5 mm |
| Recommended Gap Setting |
2.5 mm (100 mils) |
| System Length (with probe) |
5 or 9 meters |
| Cable Material |
75 Ω triaxial, FEP insulated |
| Connector Material |
Gold-plated brass |
Note: The cable is available with optional armored jacket (AISI 302 SST with FEP) for harsh environments.
Industry Applications
The Bently Nevada 330730-040-01-00 extension cable is ideal for upgrading existing 3300 XL systems or replacing worn cables in critical rotating machinery. Common applications include:
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Steam turbines – where cable integrity is essential for accurate vibration monitoring under high-temperature conditions.
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Compressors – the cable's low capacitance (69.9 pF/m) ensures minimal signal loss over the 4.0-meter run.
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Pumps in oil and gas – the optional armored version provides mechanical protection in abrasive environments.
Installation and Setup Guidance
When installing the Bently Nevada 330730-040-01-00, ensure proper routing to avoid sharp bends or tension beyond the tensile strength limits (330 N at probe case). The cable is supplied with silicone tape for connector protection; use it unless the environment includes turbine oil, where connector protectors are recommended. The recommended gap setting for the probe is 2.5 mm (100 mils). For field wiring, use three-conductor shielded triad cable with maximum length of 305 meters to the monitor. Refer to the frequency response graph for signal rolloff at longer runs.
Selection Guide and Purchasing Advice
When selecting the Bently Nevada 330730-040-01-00, verify the cable length option (040 for 4.0 meters) and connector option (00 standard or 01 armored). For applications with high moisture or oil exposure, consider the armored cable or connector protectors. UBEST Automation (shop at ubest101.myshopify.com) offers this cable with fast shipping and full traceability. Confirm system compatibility with your Bently Nevada 3300 XL probe and Proximitor sensor. This cable provides a direct replacement for OEM parts, ensuring minimal downtime during upgrades.