Bently Nevada 175794-01 Machinery Dynamics Monitor

Description

The Bently Nevada 175794-01 is a high-performance machinery dynamics monitor from the 3701 series, designed for advanced vibration and position monitoring in reciprocating compressors, engines, and wind turbines. It supports real-time diagnostics and integrates seamlessly with plant automation systems.

Specifications

• Model: 175794-01

• Series: 3701/40 and 3701/60

• Type: Machinery Dynamics Monitor

• Sensor Inputs:

  • 2 independent rod-position sensor channels

  • Supports LVDTs, magnetostrictive, and potentiometric transducers

• Input Range: ±10 VDC analog (programmable ±5 V to ±15 V spans)

• Resolution: 16-bit A/D conversion per channel

• Accuracy: ±0.1% of full-scale after linearization

• Sampling Rate: 1 kHz per channel (simultaneous acquisition)

• Isolation: ≥1 kV channel-to-chassis and channel-to-channel

• Input Protection: Overvoltage clamp to ±30 V, reverse polarity, and surge protection

• Operating Temperature: 0°C to +70°C

• Storage Temperature: –40°C to +85°C

• Humidity: ≤95% RH, non-condensing

• Dimensions: 263 × 58 × 28 mm

• Weight: Approx. 4.3 kg

• Power Supply: 24 VDC (single or dual redundant)

• Country of Origin: USA

Features

• Position Conditioning: Excites, buffers, and digitizes rod-position signals for precise displacement monitoring

• Dynamic Monitoring: Captures high-speed transients and dwell times to detect mis-stroking or valve failures

• Advanced Signal Processing: Supports radial vibration, thrust position, and casing absolute vibration

• Dual Redundant Design: Ensures high reliability for critical machinery protection

• Modular Construction: Allows flexible field configuration and easy expansion

• Real-Time Communication: Broadcasts position, velocity, and diagnostics over the 3500 backplane

• Wide Sensor Compatibility: Accepts eddy current probes, accelerometers, IEPE sensors, and magnetic pickups

• API-618 Compliance: Meets precision standards for reciprocating machine protection

• Skid-Mountable: Compact and rugged for installation close to machinery

• Integration Ready: Interfaces with DCS/SCADA via 4–20 mA or digital outputs