Product Overview

The Bently Nevada 16925-20 is a specialized 20-foot (6.1-meter) coaxial interconnect assembly engineered for high-fidelity vibration data transmission. Designed to bridge the gap between industrial accelerometers and monitoring hardware, this cable is a vital component for capturing casing vibration in rotating machinery. It features a rugged, oil-resistant construction that adheres to API 670 standards, ensuring that signal attenuation and electromagnetic interference are kept to an absolute minimum. By maintaining strict electrical tolerances, the 16925-20 allows for the precise detection of mechanical anomalies such as shaft imbalance, gear mesh friction, and structural misalignment in high-stakes industrial environments.

Technical Build & Hardware Parameters

The 16925-20 is built to sustain electrical performance under extreme thermal and mechanical stress:

• Cable Length: 20 Feet (6.1 Meters)

• Jacket Material: Oil-resistant industrial PVC

• Electrical Impedance: Low-capacitance coaxial design (≤110 pF/m)

• Resistance Rating: ≤0.1 Ω/meter for minimal signal loss

• Voltage Capacity: 60V AC/DC

• Thermal Tolerance: -40°C to +100°C (-40°F to +212°F)

• Net Weight: 0.08 kg

• Physical Dimensions: 2 x 1.5 x 33 cm

• Compliance: API 670 Standard compliant

• Country of Origin: USA

Core Industrial Applications

This interconnect solution is deployed globally across heavy industries where precision machinery protection is mandatory:

• Vibration Analysis: Connecting 330400 or 330425 accelerometers to 3500 Series monitoring racks.

• Power Generation: Monitoring high-speed turbine bearing housings for thermal growth and vibration peaks.

• Petrochemical Processing: Enabling remote monitoring of centrifugal pumps and compressors in areas exposed to hydrocarbon fluids.

• High-Frequency Diagnostics: Ideal for monitoring complex gearboxes where noise immunity is required to capture gear mesh frequencies.

FAQ

Q: Is the 16925-20 cable compatible with standard proximity probes?

A: This model is specifically designed as a coaxial interconnect for accelerometers and seismic sensors. For proximity transducer systems, please verify the specific connector and impedance requirements of your probe series.

Q: Can this cable be used in environments with significant oil exposure?

A: Yes, the 16925-20 features a specialized oil-resistant PVC jacket designed specifically to prevent degradation when exposed to lubricants and industrial fluids.

Q: What is the benefit of the low capacitance rating (110 pF/m) in this cable?

A: Low capacitance ensures that high-frequency vibration signals are transmitted without significant phase shift or signal dampening, which is critical for accurate predictive maintenance diagnostics.

Q: Does the 16925-20 support 75g peak measurement ranges?

A: Yes, the electrical integrity of this cable is rated to support both 50g and 75g peak acceleration measurements when paired with compatible Bently Nevada sensors.

Q: Where is this product manufactured?

A: The 16925-20 is manufactured in the United States, ensuring it meets the rigorous quality control standards required for API 670 machinery protection systems.