Bently Nevada 330130-075-01-05 Armored Extension Cable

Bently Nevada 330130-075-01-05 Armored Extension Cable

Product Introduction

This Bently Nevada 330130-075-01-05 extension cable is an essential component for 3300 XL monitoring systems. It connects a non-contacting proximity probe to the Proximitor sensor. Specifically, this model offers a 7.5-meter (24.6 feet) length with rugged armored casing. The design prioritizes signal integrity and mechanical protection in demanding industrial environments.

Technical Specifications

The Bently Nevada 330130-075-01-05 operates with a nominal capacitance of 69.9 pF/m (21.3 pF/ft). Its DC resistance from center conductor to center conductor is 1.65 ± 0.25 Ω. Meanwhile, the outer conductor resistance is 0.49 ± 0.10 Ω. The cable integrates with the Proximitor sensor, which requires a power supply between -17.5 Vdc and -26 Vdc without barriers. Furthermore, the system output resistance is 50 Ω.

This extension cable supports a wide linear range of 2 mm (80 mils). The range effectively starts from approximately 0.25 mm (10 mils) to 2.3 mm (90 mils). The supply sensitivity remains minimal, with less than a 2 mV change per volt input change. Additionally, the 3300 XL system provides excellent humidity resistance. Specifically, it shows less than a 3% change in Average Scale Factor after 56 days of 93% humidity testing.

Mechanical and Environmental Features

The Bently Nevada 330130-075-01-05 includes a robust armored jacket weighing 103 g/m (1.5 oz/ft). This armor adds significant durability against physical impacts and abrasion. Moreover, the cable features corrosion-resistant, gold-plated ClickLoc connectors. These connectors ensure a secure, low-resistance connection for the probe and sensor. The cable also employs a patented CableLoc design for 330 N (75 lbf) pull strength. Furthermore, the system operates reliably at altitudes up to 2000 meters. It is calibrated for optimal performance with an AISI 4140 steel target.

Approvals and Safety Compliance

This model carries the 05 approval option, which includes CSA, ATEX, and IECEx certifications. Consequently, it is suitable for installation in potentially explosive atmospheres. When using barriers, the power requirement shifts to -23 Vdc to -26 Vdc. Please note that operating at a voltage more positive than -23.5 Vdc may reduce the linear range. For field wiring, we recommend using 0.2 to 1.5 mm² (16 to 24 AWG) 3-conductor shielded triad cable.

Installation Guidelines

First, ensure the probe gap is set at 1.27 mm (50 mils) for optimal performance. Next, connect the 330130-075-01-05 securely using the gold-plated ClickLoc connectors. Each cable includes silicone tape for connection protection. However, we do not recommend using this tape in applications exposed to turbine oil. For oil-rich environments, consider the optional FluidLoc cable option. Finally, the maximum field wiring length between the Proximitor sensor and monitor should not exceed 305 meters (1,000 feet).

Frequently Asked Questions (FAQ)

1. Is the Bently Nevada 330130-075-01-05 compatible with 5 mm probes?
Yes, this cable accepts 3300-series 5 mm, 3300 8 mm, and 3300 XL 8 mm proximity probes.

2. Can I use this cable without the armored jacket?
No. The 330130-075-01-05 specifically includes the armored option (code 01) for enhanced protection.

3. What happens if I operate above -23.5 Vdc?
Operating at a more positive voltage than -23.5 Vdc can result in a reduced linear range and affect measurement accuracy.

4. Does the cable include connector protectors?
Yes. The package includes silicone tape for protection. For turbine oil applications, we advise against using it and recommend FluidLoc instead.

5. What is the maximum field wiring distance?
The maximum distance between the Proximitor sensor and the monitor is 305 meters (1,000 feet).